# SCHEME OF INSTRUCTIONS AND EXAMINATIONS

III Semester

Subject Code
Name of the Subject
Instruction
period / week
Total Period / Sem

### Scheme of Examination

Theory
Practical/Tutorial
Duration (hours)
Sessional Marks
End Exam Marks
Total
Marks
THEORY:
EE- 301

4
-
60
3
20
80
100

DC Machines
4
-
60
3
20
80
100

### EE -303

Electric circuits
4
-
60
3
20
80
100

### EE-304

Electrical & Electronic Measuring Instruments
4
-
60
3
20
80
100

Electronics-I
4
-
60
3
20
80
100

### EE-306

General Mechanical Engineering
4
_
60
3
20
80
100
PRACTICAL:
EE-307

-
6
90
3
40
60
100

-
3
45
3
40
60
100

### EE-309

DC Machines Laboratory Practice
-
6
90
3
40
60
100

### EE-310

#### Electronics-I  Laboratory Practice

-
3
45
3
40
60
100
##### TOTAL
24
18
630

280
720
1000

ENGINEERING MATHEMATICS – II
(Common to all Branches)

Subject Title                        :         Engineering Mathematics-II
Subject Code                       :         EE-301
 S. No Major Topic No of Periods Weightage of Marks Short Type Essay Type Unit - I R U App R U App 1 Indefinite Integration 18 34 2 1 0 1 1 1/2 Unit - II 2 Definite Integration and its applications 17 31 0 1 1 0 1 1  1/2 Unit - III 3 Differential Equations of first order 15 29 2 1 0 1/2 1/2 1 Unit - IV 4 Statistical Methods 10 16 1 1 0 1 0 0 Total 60 110 5 4 1 2 1/2 2 1/2 3 Marks: 15 12 3 25 25 30 R: Remembering type 40 marks U: Understanding type 37 marks App: Application type 33 marks
Periods per week              :         04
Periods per Semester      :         60

OBJECTIVES
Upon completion of the subject the student shall be able to
Unit-I
1.0       Use Indefinite Integration to solve engineering problems
1.1      Explain the concept of Indefinite integral as an anti-derivative.
1.2      State the indefinite integral of standard functions and properties of Integrals ò (u + v) dx  and    ò ku dx   where  k  is constant  and u, v are functions of x.
1.3      Solve integration problems involving standard functions using the above rules.
1.4      Evaluate integrals involving simple functions of the following type by the method of       substitution.
i)       ò f(ax + b) dx where   f(x) dx is in standard form
ii)      ò [f(x)]n  f ¢(x) dx
iii)     ò f ¢(x)/[f(x)] dx
iv)     ò f {g(x)} g ¢(x) dx
1.5     Find the Integrals of tan x, cot x, sec x and cosec x  using the  above.
1.6     Evaluate the integrals of the form ò Sinmq  Cosn q. dq  where m and n are positive integers.
1.7     Evaluate integrals of powers of tan x and sec x.
1.8     Evaluate the Standard Integrals of the functions of the type 1.9     Evaluate the integrals of the  type .
1.10    Evaluate integrals using decomposition method.
1.11    Evaluate integrals using integration by parts with examples.
1.12    State the Bernoulli’s rule for evaluating the integrals of the form .
1.13    Evaluate the integrals of the form ò ex [f(x) + f ¢(x)] dx.

Unit-II
2.0       Understand definite integral and use it in engineering applications
2.1      State the fundamental theorem of integral calculus
2.2      Explain the concept of definite integral.
2.3      Calculate the definite integral over an interval.
2.4      State various properties of definite integrals.
2.5      Evaluate simple problems on definite integrals using the above properties.
2.6      Explain definite integral as a limit of sum by considering an area.
2.7      Find the areas under plane curves and area enclosed between two curves using integration.
2.8      Obtain the volumes of solids of revolution.
2.9      Obtain the mean value and root mean square value of the functions in any given           interval.
2.10    Explain the Trapezoidal rule, Simpson’s 1/3 rules for approximation of integrals and                      provide some examples.

Unit -III
3.0       Solve Differential Equations in engineering problems.
3.1      Define a Differential equation, its order, degree
3.2      Form a differential equation by eliminating arbitrary constants.
3.3      Solve the first order first degree differential equations by the following methods:
i.          Variables Separable.
ii.         Homogeneous Equations.
iii.            Exact Differential Equations
iv.        Linear differential equation of the form dy/dx + Py = Q,
where P and Q are functions of x or constants.
iv.            Bernoulli’s Equation (Reducible to linear form.)
3.4      Solve simple problems leading to engineering applications

Unit -IV
4.0       Use Statistical Methods as a tool in data analysis.
4.1      Recall the measures of central tendency.
4.2      Explain the significance of measures of dispersion to determine the degree of          heterogeneity of the data.
4.3      Find the measures of dispersion – range, quartile deviation, mean deviation, standard    deviation for the given data.
4.4      Explain the merits and demerits of the above measures of dispersion.
4.5      Express relationship between measures of dispersion
4.6      Find the coefficient of variation
4.7      Explain bivariate data.
4.8      Explain the concept of correlation between two variables and co-varience.
4.9      Explain coefficient of correlation and its properties
4.10    Calculate the coefficient of correlation between two variables.
4.11    Find rank correlation co-efficient.

COURSE CONTENT
Unit-I
Indefinite Integration:
1. Integration regarded as anti-derivative – Indefinite integral of standard functions.    Properties of indefinite integral. Integration by substitution or change of variable. Integrals of the form
sinmq. cosn q.  where m and n  are positive integers.  Integrals of tan x, cot x, sec x, cosec x and     powers of tan x, sec x by substitution.

Evaluation of integrals which are reducible to the following forms : Integration by decomposition of the integrand into simple rational, algebric functions. Integration by parts , Bernoulli’s rule.

Unit-II
Definite Integral and its applications:
2.  Definite integral-fundamental theorem of integral calculus, properties of definite integrals,  evaluation of simple definite integrals.  Definite integral as the limit of a sum. Area under plane      curves – Area enclosed between two curves. Volumes of solids of revolution. Mean and RMS      values of a function on a given interval. Trapezoidal rule, Simpson’s 1/3 rule to evaluate an      approximate value of a define integral.

Unit -III
Differential Equations:
3. Definition of a differential equation-order and degree of a differential equation- formation of differential equations-solution of differential equation of first order, first degree: variable-separable, homogeneous, exact, linear differential equation, Bernoulli’s equation.

Unit –IV
Statistical Methods:
4. Revise measures of central tendency, measures of dispersion: range, quartile deviation, mean     deviation, standard deviation for the given data, merits and demerits, relationship between     measures of dispersion, coefficient of variation, bivariate data, concept of correlation, covariance,     coefficient of correlation and its properties, rank correlation co-efficient.

Reference Books:
1.   Integral Calculus Vol.I, by M.Pillai and Shanti Narayan
2.   Thomas’ Calculus,  Pearson Addison –Wesley Publishers
3.   Statistical Methods Vol.I, Das,  Tata McGraw-Hill
4.   Statistics, 4/e, Schaum’s Outline Series (SIE),  McGraw-Hill

### D.C. MACHINES

Subject Title              :           D.C. Machines
Subject Code             :           EE-302
Periods/Week            :           04
Periods/Semester     :           60

Sl. No.

# Major Topics

Periods
Weightage
Short Questions
Essay Questions
1.
Fundamentals of D.C  Generators
14
29
03
02
2.
Armature Reaction and Characteristics of D.C Generators.
16
26
02
02
3.
Fundamentals of D.C Motors
12
26
02
02
4.
Speed Control and Starters for D.C Motors
10
16
02
01
5.
Characteristics and Testing of D.C Motors
8
13
01
01

TOTAL
60
110
10
08

OBJECTIVES
Upon completion of the course the student shall be able to

## 1.0       Comprehend the Fundamentals of D.C Generators

1.1       State the method of producing Dynamically induced E.M.F.
1.2       State & explain Fleming’s right hand rule.
1.3       Explain electromechanical energy conversion.
1.4       Explain the working of simple loop generator.
1.5       Understand the conversion of AC to DC by Split ring.
1.6       Describe the constructional features of a D.C generator with a legible
sketch.
1.7       List the seven main parts of a D.C generator
1.8       List various material used for each part of DC Generator.
1.9       State the functions of each part of D.C generator.
1.10     Explain the working of D.C generator.
1.11     List the types of windings -- (i) Lap   (ii) Wave.(Single layer only).
1.12     Define Pole pitch, Yb, Yf, YR in terms of armature slots.
1.13     Compare Lap and Wave windings in different aspects.
1.14     Derive the E.M.F equation of D.C generator in terms of f, Z, N, P and A.
1.15     Classify D.C Generators based on excitation.
1.16     Draw the equivalent circuit of various DC generators based on excitation by giving their voltage and current equations
1.17     Solve simple problems based on the above equations.
1.18     State the various losses incurred in a D.C Generator.
1.19     Explain power stages in D.C. Generator.
1.20     Define the mechanical, electrical and overall efficiencies of DC Generator.
1.21     Derive the condition for maximum efficiency of a DC generator.
1.22     Solve Problems on efficiencies.

2.0      Comprehend the Armature Reaction and Characteristics of D.C.Generator.
2.1 Define Armature reaction.
2.2 Explain Armature reaction with legible sketches
2.3 Explain the phenomenon of
i)Demagnetization                         ii) Cross magnetization.
2.4 Derive the formula for          i)   ATd  / pole                ii)   ATc / Pole.
2.5 Solve simple problems on  ATd  / pole; ATc / Pole
2.6 Define Commutation.
2.7 Explain Commutation
2.8 List the different methods of improving commutation.
2.7      Explain the interpole method of improving commutation.
2.8      Plot and Explain          i)Open Circuit .Characteristics
ii)Internal characteristics         and
iii)External characteristics
of the following types of D.C.Generators:
(a) Separately excited            (b) Shunt
(c) Series                                (d) Compound
2.9      Determine the critical field resistance and critical speed of DC generators from     Open Circuit .Characteristics
2.10    State the conditions for Buildup of E.M.F.of DC generator.
2.11    State the necessity & Conditions for parallel operation of generators.
(No Problems)
2.12    Understand the use of Equalizer rings in parallel Operation.
2.13    List the applications of D.C generators.

## 3.0       Comprehend the Fundamentals of D.C Motors

3.1        Appreciate the usage of the DC machine as a generator and as a motor.
3.2        State & explain Fleming’s left hand rule.
3.3        Explain the working of D.C motor.
3.4        Explain the significance of back E.M.F by stating its formula.
3.5        Classify DC motors.
3.6        Write the formule for Back e.m.f for different D.C Motors with equivalent circuits.
3.7        Solve Problems on Back E.M.F.
3.8        Define Torque
3.9        Derive Torque equation of a D.C motor.
3.10    Develop the formulae for
i) Armature torque (Ta)           ii)Shaft torque (Tsh)     iii) Loss torque.
3.11     List the different losses in a D.C motor.
3.12     Explain the Power Stages in D.C. motor.
3.13     Solve Problems on the above.
3.14     Plot and Explain the    i)Electrical characteristics      and
ii) Mechanical characteristics
of  the following types of D.C.            Motors
a)Shunt           b)Series           c)compound
3.15     List any three applications of the various D.C motors.

## 4.0         Comprehend the Speed Control of D.C Motors and Starters for D.C Motors

4.1   Explain the necessity of speed control of DC Motors.
4.2   List different types of Starters for DC motors.
4.3            Explain the three different methods of speed Control (Flux, Armature and
Voltage) for D.C shunt motors.
4.4   State the advantages and disadvantages of the three methods of speed
Control.
4.5   Explain the different methods of speed control of series motor.
4.6   State the necessity of a starter.
4.7   Explain the working of 3-point starter with legible sketch.
4.8   Explain the working of 4-point starter with legible sketch.

## 5.0        Appreciate the methods of testing of D.C Motors.

5.1   Describe the direct and indirect methods of testing of the D.C. Motors.
5.2   List different tests of D.C. Motors.
5.3  Explain the method of conducting brake test on different types of D.C
motors.
5.4           Explain the method of conducting Swinburne’s test.
5.5   Solve simple Problems on the above.

COURSE CONTENT
1.Fundamentals of D.C Generators
Dynamically induced   E.M.F-  Fleming’s right hand rule - electromechanical energy conversion - simple loop generator - principle of D.C generator- functions of each part of D.C generator with legible sketches- windings    (i) Lap   (ii) Wave -Classification of generators based on excitation- E.M.F equation -  losses incurred in the D.C machines -Voltage and Current equations for different types of D.C Generators- Power stages in DC generators-  efficiency  calculation.- condition for maximum efficiency -simple problems.
2.Armature Reaction and Characteristics of D.C Generators.
Armature reaction, Demagnetization & Cross magnetization-Derive for ATd, ATc / Pole.,- simple problems –Commutation – interpole methods of improving commutation.-O.C.C of Separately excited, Shunt, Series and Compound generators- Conditions for (i) Building up of E.M.F.- Critical field resistance and critical speed from O.C.C - parallel operation of generators - Applications of D.C generators.

## 3. Fundamentals of D.C Motors

Usage of a DC machine as a generator and a motor-Fleming’s left hand rule - working of D.C motors – classification - significance of back E.M.F- Formula for back E.M.F for different D.C motors-Problems on E.M.F equation – Torque-Torque equation of Dc motor - Armature torque (Ta) , shaft torque (Tsh) and loss torque - Different losses - electrical and mechanical characteristics of D.C Shunt, Series and compound motors. Applications of D.C motors.

## 4.Speed Control and Starters for D.C Motors

Necessity of speed control- Direct and Indirect methods of speed control-different methods (Flux, Armature and Voltage) of speed controls for D.C shunt motors-State the advantages and disadvantages of above methods-different methods of speed control for series motors- problems  -necessity of starter- 3-point starter, 4-point starter,.

## 5.Testing of D.C Motors

Performance curves- brake test on different types of D.C motors-Swinburne’s test-  problems.
REFERENCES
1.                 B.L. Theraja -Electrical Technology - Vol - I  – S.Chand&co.
2.                 B.L. Theraja -Electrical Technology - Vol –II - S.Chand&co.
3.         P.S. Bhimbhra -Electrical machines
4.         M.V.Deshpande -Electrical Machines
5.         D.P.Kothari, J.Nagarath - Electric Machines– TMH

ELECTRICAL CIRCUITS

Subject Title                          :           Electrical Circuits
Subject code                         :           EE-303
Periods/Week                        :           04
Periods/semester                  :           60

TIME SCHEDULE

Major Topics

# Periods

Weightage
Short Questions
Essay Questions
1.
D.C Circuits
12
26
02
02
2
Network Theorems
6
10
-
01
3
Fundamental of A.C.
8
19
03
01
4
Single phase A.C. circuits
14
26
02
02
5
Parallel circuits
8
13
01
01
6
Poly phase circuits
12
16
02
01

Total
60
110
10
08

OBJECTIVES
On completion of the course the student shall be able to
1.0       Understand Kirchoff’s laws and star delta Transformations.
1.1          Differentiate between active and passive circuits.
1.2          Explain junction, branch and loop in circuits
1.3          Understand the insufficiency of Ohm’s law to solve complex circuits.
1.4          State     i)   Kirchoff’s current law (KCL)         ii)         Kirchoff’s voltage law.(KVL)
1.5          Solve problems by applying KVL and KCL
1.6          Explain star and delta circuits
1.7          Explain the concept of circuit transformation and  equivalent circuits
1.8          Develop transformation formulae for star- delta transformations and vice-versa
1.9          Solve problems on the above

2.0       Understand Network Theorems
2.1       Explain ideal voltage source & ideal current source
2.2       Explain Source transformation technique
2.3       State Super position theorem.
2.4       State Thevenin’s theorem.
2.5       State Norton’s theorem
2.6       State Maximum power transfer theorem.
(All the theorems with reference to D.C only)
2.7       Solve simple problems on the above theorems

3.0       Comprehend the relationship between the various Electrical quantities connected with alternating current.
3.1       Explain the concept of simple loop generator
3.2       State the relationship between qm & qe
3.3       State the relation between poles, speed and frequency
3.4       Define the instantaneous value, maximum value, frequency, time period, Average value, R.M.S value, Form factor and Peak factor of an A.C quantity.
3.5       Calculate the above for different alternating waveforms viz. Half wave, full wave rectified sine wave, triangular wave and square wave forms.
3.6       Explain the terms phase and phase difference of an A.C quantity.
3.7       Understand j operator
3.8       Convert polar quantities into rectangular quantities and Vice-versa.

4.0       Comprehend the single phase A.C. Series circuits
4.1       Define the terms resistance, inductance and capacitance
4.2       Derive relationship between voltage and current in a
i) Pure resistive circuit      ii) Pure inductive circuit    iii) Pure capacitive circuit.
4.3       Calculate the impedance, current, phase angle, power and power factor in
i)    R-L series circuit               ii)         R-C series circuits
iii)   L-C series circuits             iii)         R-L-C series circuits.
4.4       Solve Problems on Series Circuits
4.5       Define Resonance in series circuits
4.6       Derive a formula for resonant frequency of a R-L-C series circuit.
4.7       Define Q- factor
4.8       Explain the importance of Q-factor.
4.9       Solve simple problems on Series Resonance.

5.0       Comprehend the single phase A.C. Parallel Circuits
5.1       Solve Parallel Circuits by
i) Vector method
iii) J- notation method
5.2       Solve Problems on above (i) and (iii) (No admittance method).
5.3       State the condition for resonance in a parallel circuit.

6.0       Understand Poly Phase Circuits
6.1       Define the term `Poly Phase’.
6.2       Explain the methods of generation of 2 phase and 3 phase emfs.
6.3       Write the expressions for Polyphase emfs and represent them by phasor diagram.
6.4       Understand the concept of phase sequence.
6.5       Derive the relation between line and phase values of current and voltage
in 3 phase         i)star circuits      and         ii)delta circuits.
6.6       Derive the equation for power in 3 phase circuit.
6.7       Solve numerical examples in balanced loads.
6.8       Derive the formulae for measurement of 3 phase power by using two watt meters.
6.9       Calculate the power factor of the load by the above method.
6.10     List any 6 advantages of 3 phase system over single phase system.
6.11     Solve simple problems on the above

Course Content
1. Kirchoff’s Laws and Star - Delta Transformation
Active and Passive circuits -  Junction, branch and loop in circuits -Insufficiency of Ohm’s law to solve complex circuits, Kirchoff’s laws - Star - Delta configurations, star-delta transformations .

2.  Network Theorems
Ideal Voltage source , Ideal current source - Source transformation technique- Super position theorem- Thevenin’s Theorem -Norton’s Theorem- Maximum power transfer theorem with  reference to D.C.-Problems on the above.

3.Fundamentals of A.C.
Simple loop Generator –Relation between qm & qe -Relation between poles, speed and frequency- Definition of Alternating quantity, cycle, period, frequency, amplitude, instantaneous value and angular velocity - Average value - effective value/R.M.S value definitions and derivations - calculations of these values for half wave rectified sine wave, full wave rectified Sine wave, Triangular and Square wave forms-form factor- peak factor - Representation of alternating quantities by equation, graphs and phasor diagrams - Phase and phase differenceUnderstanding of `J’ notation for alternating quantities ,transformation from polar to rectanglar notations and Vice-versa

4.Single phase A.C. Series Circuits
Resistance, inductance and capacitance as circuit elements - concept of reactance, purely inductive and purely capacitive circuits - Derivation of voltage , current, power relations including phase relationships, wave forms and phasor diagrams - R-L, R-C , L-C & R-L-C series circuits - Derivation of relation between voltage, current, impedance, power including wave forms and phasor diagrams. Impedance triangle, phase angle, power factor, active and reactive components of current and power in above circuits – Definition of Resonance in series circuits and expression for resonant frequency- Q-factor-Importance of Q- factor- Problems on series circuits and series resonance.

5.Single phase A.C. Parallel Circuits
Simple Parallel circuits - solution by vector method and by `J’ notation – problems - Resonant circuit – Condition for resonance in parallel circuit.

6.Poly phase circuits
Definition of Poly phase - Generation of 2 phase and 3 phase EMF - Location of coils for obtaining required phase difference - Representation of 2 phase,3 phase EMF by equations, graphs and phasors - phase sequence - Current in neutral in 2 phase and 3 phase system - Method of connection – star and delta  - phasor diagram showing relation between phase and line quantities, Relation between phase and Line values of voltages and currents -power equation - Problems on 3 phase balanced circuits – Measurement of 3 phase power by two wattmeter and power factor in balanced circuits - Effect of Load power factor on wattmeter readings – Problems - Advantages of poly-phase systems over single-phase systems.

REFERENCES
1.          B.L. Theraja -Electrical Technology - Vol - I   S.Chand &co.
2.          V.K.Mehta-Introduction to Electrical Engg.
3.          Hughes -Electrical Technology.
4.          Parker Smith -Problems in Electrical Engg.
5.          William Hayt and JackE,kemmerly -Engineering Circuit analysis  -TMH
6.          A.Chakrabarthy -Electrical Circuits - Dhanapat Rai and Sons
7.          D. Roy Chowdary -Network and Systems - New age international publishers
8.          K. Rajeshwaran -Electric Circuit Theory - Pearson educations,2004
9.          Vanvalkanburg -Network Analysis - PHI.
10.        Joseph Edminister -Electrical Circuits - Schaum series
11.        Alexander Sadiku -Fundamentals of Electric circuits –- TMH
12.        Mahmood Nahvi, Joseph A Edminister -Electric circuits -TMH.

ELECTRICAL & ELECTRONIC MEASURING INSTRUMENTS

Subject Title              :           Electrical & Electronic Measuring Instruments
Subject Code             :           EE - 304
Periods/Week            :           04
Periods/ Semester    :           60

TIME SCHEDULE
 Sl. No. Major Topics Periods Weightage of Marks Short Questions Essay Questions 1 Basics of Measuring Instruments 08 11 02 ½ 2 Electromechanical Measuring Instruments 22 46 02 04 3 Measurement of Resistance 08 16 02 01 4 Transducers and Sensors 10 16 02 01 5 Electronic & Digital Instruments 12 21 02 1 ½ TOTAL 60 110 10 08

OBJECTIVES
Upon the completion of the course the student shall be able to
1.0       Comprehend the Basics of measuring instruments.
1.1        List any six important electrical quantities to be measured by giving their units
1.2          Mention the names of the instruments to measure the various electrical
quantities.
1.3      Classify the instruments on the basis of  their construction and output as
analog(electromechanical and analog electronic) and digital instruments .
1.4      Classify the electromechanical instruments according to Principle of Working.
1.5      Classify the instruments on the basis of method of measuring the value as
absolute and secondary instruments
1.6      Distinguish between Absolute and Secondary instruments
1.7      State the types of secondary instruments ( indicating, integrating and recording).by giving suitable examples.
1.8      State the purpose of obtaining deflecting, controlling and damping torques in indicating instruments.
1.9      Explain the methods of obtaining   i)deflecting torque      ii) controlling torque     and      iii) damping torque in indicating instruments.
1.10    Define the following terms related to measuring Instruments
i) accuracy      ii) precision   iii) error         iv) resolution    v) sensitivity
1.11    Classify the errors according to its source (gross, systematic and random )

2.0    Explain the construction and working of different Electromechanical Measuring instruments.
2.1       Describe the construction of Permanent Magnet Moving Coil Instrument.
2.2       Explain the working of Permanent Magnet Moving Coil Instrument (Voltmeter/Ammeter) .
2.3       List the three types of errors commonly occurring in moving coil (M.C.)instruments
2.4       Mention the remedies for the errors
2.6       List the applications of M.C Instruments
2.7       Describe the construction and working of Moving Iron (M.I)
i)Attraction type Instrument         ii)Repulsion type Instrument.
2.8         List the errors commonly occurring in M.I. Instruments.
2.10       Compare M.C. and M.I. instruments.
2.11       Describe the method of extending the range of moving coil ammeter with the help of      shunt.
2.12       Describe the method of extending the range of moving coil voltmeter with the help    of Multiplier.
2.13       Solve the problems on Shunts and Multipliers used for moving coil      instruments.
2.14       Describe the construction of a dynamometer type instrument
2.15       Explain the working of a dynamometer type Instrument.
2.16       Draw the circuit diagram for measuring power with wattmeter in a Single – Phase circuit.
2.17       List the common errors in the Dynamometer Instruments.
2.19       State the need for instrument transformers (Current Transformer – CT and Potential      Transformers - PT) .
2.20       List the applications of CT and PT.
2.21       State the precaution to be taken while using CT.
2.22       Draw the circuit diagram for measuring power with wattmeter in Single – Phase circuit in conjunction with instrument transformers.
2.23       Describe the construction of a 1-phase induction type Energy meter
2.24       Explain the working of a 1-phase induction type Energy meter.
2.25       State Meter Constant
2.26       State the common errors and their remedies in 1- phase energy meter
2.27       Describe construction and connections of a 3-phase energy meter.
2.28       Describe the construction of Weston synchroscope.
2.29       Explain the working of Weston synchroscope

3.0         Explain  the methods of measurement of resistance.
3.1         Classify the resistance into Low , Medium and High Values giving examples for  each.
3.2         List the methods of measurement of
i) Low resistance ii)Medium resistance   and      iii)High resistance
3.3         Draw the circuit diagram of basic Ohm-meter.
3.4         Explain the working of basic Ohm-meter.
3.5         Describe the two types of Ohm-meters (series and shunt).
3.6         Distinguish between shunt and series Ohm-meters
3.7         Describe  the construction of Megger
3.8         Explain the working of Megger
3.9         Explain the method of measurement of earth resistance using Earth Megger.
(Construction and Working of Earth Megger is not required).
3.10       State the working principle of basic Potentiometer.
3.11       Describe the Construction of basic Potentiometer with a legible sketch
3.12       Explain the working of basic Potentiometer with a legible sketch
3.13       Explain the measurement of unknown resistance using Potentiometer.
3.14       List the applications of Potentiometer.

4.0         Explain the concept of Transducers and Sensors
4.1         Define Transducer
4.2         State the need of Transducers in Measurement systems
4.3         Classify Transducers
i)based on the principle of transduction form used
ii) as Primary and Secondary                 iii).as Passive and Active
iv) as Analog and Digital              v) as Transducers and Inverse Transducers
4.4         Explain the factors influencing the choice of Transducer
4.5         State the applications of Transducers.
4.6       Explain the use of Thermocouple for the measurement of temperature.
4.7         Explain the measurement of temperature using Thermister in a Bridge circuit.
4.8         State the working principle of strain gauge.
4.9         Describe the construction of Linear Variable Differential Transformer(LVDT).
4.10       Explain the working of LVDT .
4.12       Explain the concept of Sensor
4.13       List the applications of sensors.

5.0         Understand the working of Electronic & Digital instruments
5.1       List the basic components of analog electronic Instruments.
5.2       List analog electronic Instruments.
5.3       Explain the working of Rectifier type voltmeter and ammeter.
5.4       List the basic components of Digital (Digital electronic) instruments.
5.6       List the types of digital Voltmeters.
5.7       Mention the specifications of digital voltmeter.
5.8       Explain the Working of Digital Multimeter by giving its specifications.
5.9       Explain the Working of Single Phase Digital Energy meter with block diagram.
5.10     Explain the Working of Three Phase Digital Energy meter with block diagram.
5.11     Explain the Working of Digital frequency meter with block diagram.
5.12       State the uses of Tong tester (clamp meter).

COURSE CONTENT
1.    Basics of Measuring instruments:
List of important electrical quantities to be measured, their units and the names of the
instruments to measure them- Classification of instruments -  different types of torques
(Deflection ,Controlling  and Damping torques) in the indicating instruments-definitions of
accuracy ,precision ,error, resolution and sensitivity-types of error.
2.   Electromechanical Measuring Instruments:
M.C. and M.I types of Ammeters and Voltmeters - their Construction and working, errors,
comparison-  shunts and multipliers for M.C instruments – problems on shunts and multipliers for M.C instruments  - Dynamometer type Ammeter, Voltmeter and Wattmeter –construction, working, errors- use of Instrument transformers- Measurement of energy –single phase Induction type energy meter- Construction and working,  error and adjustments construction and  connections of a 3-phase energy meter- Construction and working of Weston Synchroscope.
3.   Measurement of resistance:
Classification of resistance- List of methods of measurement of resistance- explanation of basic Ohm meter circuit – difference in series and shunt type ohmmeters- Construction and working  of megger – method of measuring  earth resistance using earth Megger – working principle,construction and applications of Potentiometer.

4.   Transducers and Sensors:
Definition of transducer-need  of transducer-Classsification of Transducers - Factor
influencing while its selection -Applications of Transducers –Thermocouple- Thermister  -   working principle and use of StrainGauge- construction, working and use of LVDT- Basic Concept of Sensors and its applications –Semiconductor sensors .

5. Electronic & Digital Instruments :
Basic components of analog electronic Instruments - Working of Rectifier type Voltmeter and Ammeter- basic components of Digital (Digital electronic)  instruments- advantages of Digital Instruments over Analog Instruments- types of digital Voltmeters- specifications of digital voltmeter -working of digital multi meter and its specifications- working of single phase digital energy meter with block diagram-- working of three phase digital energy meter with block diagram-  Working of Digital frequency meter with block diagram-use of tong tester(clamp meter).

References:
1.    A. K.SAWHNEY -Electrical and Electronic measuring instruments –- Dhanpat Rai
&Sons.
2.    E.W. Golding and F.C. Widdis,Electrical Measurements and measuring instruments
–Wheeler publishers.
3.    David A Bell -Electronic Instrumentation and Measurements– Oxford.
4.    B. L. Theraja -Electrical Technology —– S.Chand &Co.
5.    Khandpur -Modern Electronic Equipment
6.    J.B. Gupta -Electrical and Electronic measuring instruments.
7.    Harris -Electrical measurements
8.    K.B.Bhatia -Study of Electrical Appliances and Devices – Khanna Publishers.

ELECTRONICS – I

Subject Title              :           Electronics - I
Subject code             :           EE-305
Periods/Week            :           04
Periods/Semester     :           60

Sl. No.

# Major Topics

Periods
Weightage of Marks
Short Questions
Essay Questions
1.
Passive Components
08
16
02
01
2.
Semi Conductor devices
12
13
01
01
3.
Power supplies
08
16
02
01
4.
Special devices
12
26
02
02
5.
Introduction to Amplifiers
10
16
02
01
6.
Small Signal Amplifiers.
10
23
01
02

Total
60
110
10
08

OBJECTIVES
On the completion of the course the student shall be able to
1.0       Comprehend Passive Components (Resistors, Capacitors and Inductors)
1.1  Define Resistance.
1.2  State the properties of Resistance.
1.3            Identify the value of resistance using colour codes
1.4          Mention the specifications of resistors.
1.5          Classify the resistors based on function and composition
1.6          List the types of resistors based on composition
1.7          Compare the features of carbon and wire wound potentiometers
1.8          Define Capacitance.
1.9          List the specifications of capacitor
1.10       List the factors affecting the value of capacitance.
1.11       List the types of capacitors.
1.12       List the applications of capacitors.
1.13       Define (i)Self Inductance(ii) Mutual Inductance(iii)Co-efficient of coupling.
1.14       List the types of Inductors and Transformers used in electronic circuits.
1.15       Explain the losses in   i)Inductors      ii)Transformers
1.16       List different types of core materials used at different frequencies

2.0       Comprehend the Semi-Conductor Devices
2.1          State the electrical characteristics of
i) insulators      ii) conductors             iii) semi-conductors
2.2          Distinguish between intrinsic and extrinsic semi-conductors
2.3          Distinguish between P type and N type semi-conductors.
2.4          Explain the working of PN Junction diode with no bias, forward bias and reverse bias
2.5          Explain the operation of Zener diode.
2.6          Draw the characteristics of Zener diode.
2.7          Explain formation of PNP transistors
2.8          Explain formation of NPN transistors
2.9          State the different transistor configurations
2.10       Plot the Input/Output characteristics of a transistor in CB, CE configurations.
2.11       Compare the performance characteristics of a transistor in CB and CE configurations.
2.12       List the manufacturer specifications of
i) PN junction diode     ii) Zener diode                         iii)Transistor.

3.0       Explain the working Principle of Power supply circuits
3.1       Draw the following circuits using P.N. junction diodes.
i) half wave     ii) full wave      iii) bridge rectifier
3.2       Explain the working principle of the following with waveforms.
i) half wave     ii) full wave      iii) bridge rectifier.
3.3       State the need for filter.
3.4       List the different types of filters.
3.5       Explain the function of Zener diode as a Voltage regulator in a power supply.
3.6       Explain the function of voltage regulated power supply.

4.0       Describe the Performance of Special Devices
4.1          Describe the construction of special devices          i)UJT      ii)FET                          iii)LEDs            iv) LCD                           v)SCR                                   vi)Solar cell
vii) Opto-coupler        viii) Photo diode      and         ix) photo transistor.
4.2          Explain the working of special devices: i)UJT        ii)FET                             iii)LEDs            iv) LCD  v)SCR                      vi)Solar cell
vii) Opto-coupler        viii) Photo diode      and         ix) photo transistor.
4.3  Plot the V/I characteristics of above devices
4.4  List the applications of the special devices

5.0       Explain the principle of Working of Amplifiers.
5.1       Explain the operation of transistor as an amplifier.
5.2       State the necessity of proper biasing for amplifier action.
5.3           List the causes for instability of bias in transistor amplifier.

5.4          Explain different biasing methods such as collector to base bias, potential divider bias.
5.5          Determine the operating point on the set of characteristics.

6.0       Understand the Principle of Working of Small Signal Amplifiers.
6.1          Classify amplifiers on the basis of      i) frequency     ii) function       iii)type of load  iv)period of Conduction      v)Number of stages.
6.2          List the different types of coupling methods in amplifiers
6.3       Draw the circuit of      i)RC coupled CE amplifier                                                                                          ii)Transformer coupled CE amplifier
6.4       State the function of each component of the above circuits.
6.5       Draw the frequency response characteristics of each circuit, indicate the gain band width, upper cut-off and lower cut-off frequencies.
6.6       Explain the necessity of cascading of amplifiers
6.7       Define `gain’ in terms of decibel and `band width’
6.8       List the applications of amplifiers

COURSE CONTENTS
1.            Electronic Components
Different types of resistors, Colour code, specifications, uses of resistors-Different types of capacitors, specifications, Colour code, uses- different types of chokes and transformers- Specifications of inductors and transformers
2.         Semi-conductor Devices
Insulators- Semi-conductors-conductor materials- Intrinsic and extrinsic semi-conductors, `P’ and `n’ type materials, PN Junction, forward and reverse bias- Zener diode, Zener diode characteristics - formation of PNP and NPN transistors- Transistor configurations- CB, CE - Input and output characteristics of CB,CE - comparison of CB,CE, configurations.
3.         Power supplies
Half - wave, Full wave and bridge rectifiers. types of Filters, Voltage regulated power supply using Zener Diode,
4.         Special Devices
UJT, FET, LED, LCD, SCR, Solar cell, Optocoupler, Photo diode, Photo transistor- characteristics and their applications.
5.         Introduction to Amplifiers
Principles of Operation- Biasing and stabilization technique-Operating point and Load line Characteristics.

6.         Small Signal Amplifiers
Classification of Amplifiers, Coupling methods, Frequency Response of R.C coupled, transformer coupled and Cascade Amplifiers and their applications.

REFERENCES
1.         V.K. Mehta Principles of Electronics, S Chand& Co.
2.         Bhargava-Basic Electronics and Linear circuits -TMH Publishers
3.         Malvino -Electronic Principle
4.         Mathur, Chada & Kulashrestha -Electronic devices and circuits
5.         G.K. Mithal -Industrial Electronics
6.         G.K. Mithal -Applied Electronics

GENERAL MECHANICAL ENGINEERING

Subject Title              :           General Mechanical Engineering
Subject code             :           EE-306
Periods/Week            :           04
Periods/Semester     :           60

TIME SCHEDULE
 Sl. No. Major Topics Periods Weightage of Marks Short Questions Essay Questions 1. Simple Stresses and Strains 14 26 2 2 2. Torsion in Shafts 10 16 2 1 3. I.C. Engines 12 26 2 2 4. Boilers and Turbines 12 26 2 2 5. Pumps and Lubricants 12 16 2 1 Total 60 110 10 08
OBJECTIVES
Upon completion of the course the student shall be able to

1.0       Understand the concept of simple stress and strain
1.1       Define the terms:        i)stress             ii)strain
1.2       Identify the different types of stresses and strains
1.3       Define Hooke’s law
1.4       Define moduli of elasticity
1.5       Draw typical stress-strain curve for an M.S. Specimen under tension
1.6       Define factor of safety
1.7       Define Poisson’s ratio
1.8       State the relationship between elastic constants.
1.9       Calculate the dimensional changes in the bodies of uniform cross section
subjected to tensile and compressive forces

2.0       Appreciate the theory of torsion
2.1       State the function of shafts.
2.2       Specify the standard sizes of shafts.
2.3       Define the term Torque
2.3       State simple torsion equation
2.4       Design the size of solid shaft in
i) Strength point of view
ii).Stiffness point of view

3.0       Appreciate the working of I.C.ENGINES
3.1       Describe the constructional details of I.C.Engines
3.2       Define I.C. Engine
3.3       Identify the various parts of    i) Diesel engine           ii) Petrol engine
3.4       Explain the principle of           i)4-stroke diesel engine           ii) 4-stroke petrol engine
3.5       Explain the principle of           i)2-stroke diesel engine           ii) 2-stroke petrol engine
3.6       Distinguish between 4-stroke cycle and 2-stroke cycles
3.7       Distinguish between diesel engine and petrol engine
3.8       State the functions of the following components in an I.C.Engine
i)carburetor                 ii)fuel pumps               iii)Governor

4.0       Understand the working of Boilers and Turbines
4.1       Explain the function of a boiler
4.2       Compare fire tube boiler with water tube boiler
4.3       Draw the Sketch of Modern High Pressure boiler
4.4       Explain the working of above boiler
4.5       State the necessity of mountings such as
i) water level indicator             ii) Pressure gauge
iii) Stop valve                          iv) Feed check valve
v) safety valve                                    vi) Fusible plug
4.6       Explain the working principle of the above mountings with legible sketches.
4.7       Explain the principle of working of a steam turbine
4.8       Classify the turbines based on action of steam
4.9       Compare impulse turbine with reaction turbine

5.0       Understand the working of centrifugal pumps.
5.1       Explain the principle of operation of centrifugal pump
5.2       Explain the constructional details of centrifugal pump.
5.3       Explain the method of improving the delivery head by multistage
5.4       State the importance of priming of centrifugal pumps.
5.5       Explain the principle of operation of reversible turbine pump and jet pump
5.6       Explain the function of bearing
5.7       Classify the bearings
5.8       Explain with a line sketch the journal and collar bearings
5.9       List anti friction bearings.
5.10     Explain the working of anti friction bearings
5.11     List the application of ball and roller bearings
5.12     State the specifications of ball and roller bearings
5.13     State the purpose of lubrication
5.14     State the properties of a lubricant
5.15     List the types of lubricants with examples
5.16     List the applications of lubricants.

COURSE CONTENT
1. Simple stress and strains
Definitions of Tensile stress, Compressive stress, Shear stress, Linear strain,lateral strain and, Poisson’s ratio, elastic limit, statement of Hook’slaw,stress-strain diagram with salient features for ductile materials undertensile stress. Elastic moduli, Definition and explanation of Young’s
modulus, Modulus of rigidity, Bulk modulus, Working stress, Ultimate stress, Factor of safety. Simple problems on tensile and compressive stressand strains in uniform and varying cross section bar (tapering sectionsomitted), Relationship between Young’s modulus ,rigidity modulus andbulk modulus (without proof) problems thereon

2. Torsion in shafts
Function of shafts, standard shaft sizes, Torsion equation,  Design the sizeof the solid shaft (i) strength point of view and stiffness point of view.

3. Constructional details of I.C. Engines.
Four stroke and two stroke petrol and diesel engines, petrol engine for 4stroke / 2 stroke, diesel engine for 4 stroke/ 2 stroke , Comparison betweenpetrol and diesel engine, Functions of carburetor, fuel injection pump,governor, Classification of boilers fire tube-water tube Sketch anddescription of modern boiler and mention various mountings used.

4.0 Boilers and Turbines
Working principle of Steam turbine- classification on the basis of steam- Comparision between impulse and reaction turbines.
5. Pumps - Introduction
Centrifugal pumps- Single stage, Lubricants - examples and their applications

Note : 1. This subject is to be taught by Mechanical faculty
2.  Paper setting and paper evaluation is also to be done by Mechanical Faculty.
REFERENCES
1.         Ramamrutham -Strength of materials
2.         Surender Singh-Strength of materials
3.         S.B.Junarker-Strength of materials
5.         R.S. Kurmi-Strength of Materials

## CIRCUITS AND MEASUREMENTS LABORATORY PRACTICE

Subject Title              :           Circuits and Measurements Laboratory Practice
Subject Code             :           EE-307
Periods/Week            :           06

## TIME SCHEDULE

 S. No. Major Topics No. of Periods 1 Techniques of using statistical tools in drawing and use of Graphs. 03 2 Network Laws & Theorems 30 3 Calibration of meters 15 4 1 -Ǿ A.C Circuit Parameters 15 5 Measurement of Power 21 6 Report on observations in Industrial visits 06 TOTAL 90
OBJECTIVES( LIST OF EXPERIMENTS )
1.      Techniques of using statistical tools and rules of drawing graphs
2. a)  Verification of Ohm’s Law
2. b)  Verification of the limitations of Ohm’s law
3. a)  Verification of Kirchoff’s current Law
3. b)  Verification of Kirchoff’s Voltage law
4.      Verification of Super position theorem
5.      Verification of Thevenins theorem
6.      Calibration of Dynamometer type of wattmeter
7.      Calibration of single phase Energy meter
8.      Determination of Q-factor and Power factor of an Inductive coil
9.      Determination of Idle & Energy components of current in a single phase Inductive circuit
10. a) Measurement of power in 1 -Ǿ circuit by 3-Voltmeter method
10. b) Measurement of power in 1 -Ǿ circuit by 3-Ammeter method
11.      Measurement of power in 3 -Ǿ balanced circuit by 2-Wattmeter method
12. a) Visit MRT division Electricity Department to understand the testing and repair of various Measuring instruments.- Write a Report on observations.
12. b)   Visit any Electrical / Electronic Measuring Instrument manufacturing industry to observe and understand construction and working of various meters. Write a Report on observations

Note: 1.   Every student has to bring insulated tool kit and follow the general safety precautions throughout the lab sessions
2.          Whenever handling/using a meter check for ‘zero’ position of the pointer and adjust for ‘zero’ position if there is any deviation

Competencies required to be achieved by the student
 S.No Experiment title Competencies I Techniques of using statistical tools and drawing and use of Graphs ·          Follow the international standards ·          Select proper X & Y parameters ·          Choose proper scale ·          Analyze the trend of the graph ·          Correlate trend of the graph with the relation between the parameters II (2a,2b, 3a.3b, 4,5) Verification of Network Laws & Theorems ·         Draw the relevant circuit diagram ·         Select proper supply and load. ·         Select proper meters with proper ranges ·         Select proper wires to make connections as per circuit diagram ·         Ensure that all the meters are connected with proper polarity ·         Perform the experiment by carefully following the experimental procedure and precautions ·         Observe the readings without any scope for errors and tabulate III (6,7) Calibration of meters ·         Short M & C terminals of wattmeter ·         Connect for proper Current range. ·         Calculate Multiplication factor ·         Calculate P, Error, %Error ·         Draw graph between W and % Error 8. Determination of Q-factor and Power Factor of a coil · Select proper supply and load. ·         Select proper meters with proper ranges ·       Calculate Z,Q-factor ·      Vary the Inductance to change the load. 9 Measurement of Idle & Energy components of current in a 1-Ǿ Inductive circuit ·         Select proper supply and load. ·         Select proper meters with proper ranges ·       Calculate IX, Iy, sin Ǿ ·       Draw the vector diagram(Iy  Vs  Ix ) ·       Vary resistance to change the load 10(a,b) Measurement of Power ·         Select proper supply and load. ·         Select proper meters with proper ranges ·       Make connections as per circuit diagram ·       Calculate the value of Power 11 Measurement of power in 3- Ǿ circuit using the two wattmeter method ·         Short M & C Terminals of wattmeters and connect for proper current coil range ·         Find out the M.F of Wattmeter ·         Reverse wattmeter terminals for negative readings ( Lead values ) ·         Calculate P, power factor(cos Ǿ)

## ELECTRICAL WORKSHOP PRACTICE

Subject Title                          :           Electrical Workshop Practice
Subject Code                         :           EE-308
Periods/Week                        :           03

## TIME SCHEDULE

 S. No. Major Topics No. of Periods 1. Special Lamp Connections 12 2. Wiring Practice for Power Loads 18 3. Motor Connections 09 4. Earthing 06 Total 45
OBJECTIVES( LIST OF EXPERIMENTS )
Upon completion of the course the student shall be able to

1          Control two Lamps by Series - Parallel connection using one 1-way switch & two 2-way switches with PVC surface conduit system
2          Control and practice the wiring for Fluorescent Lamp
3          Control and practice the wiring for Mercury Vapour Lamp
4          Control two sub- circuits through Energy meter, MCB’s and two 1-way switches.
5          Control 1.5 ton capacity A/C equipment by MCB and stabilizer.
6          Connect the Inverter to power supply through 2/3 pin socket and 1-way switch (Back up)
7          Connect Computer by main switch board with a miniature circuit breaker.
8          Connect and test the given Public Address System
9          Perform Wiring for Water level Alarm circuit.
10        Prepare switch Board with DOL starter, MCB,1-phase Preventer and Pilot lamps for3 phase Motor
11        Prepare switch board with star delta starter, MCB, Pilot lamps for 3 phase motor
12        Prepare Pipe Earthing.
13        Prepare Plate Earthing.

Note: 1.   Every student has to bring insulated tool kit and follow the general safety precautions throughout the lab sessions
2.   Should not touch the live terminals.

Competencies to be achieved by the student
 S.No Experiment title Competencies 1 Series-Parallel connection ·         Select colour and length of wire for phase and neutral. ·         Make connections as per wiring diagram. ·         Draw wire through PVC pipe properly ·        Observe glow intensity of lamps for series and parallel connections 2 Wiring practice of fluorescent lamp ·        Make connections as per wiring diagram. ·        Connect top point and bottom point of the choke to tube light properly. ·        Note the importance and working of starter. 3 Wiring practice of Mercury Vapour lamp ·            Identify the size of cable, type of 1-way switch, choke, and M.V. lamp holder. ·           Read the specifications of Choke and M.V. lamp holder. ·           Note the importance of choke ·           Measure the power across the choke. 4 Control two sub circuits through Energy meter, MCB’s and two 1-way switches ·        Draw wiring diagram. ·        Identify the size of cable,1-way switch, PVC pipe, MCB, capacity of Inverter and Socket ·        Read the specifications of MCB, capacity of Inverter and Socket ·        Make connections as per wiring diagram. ·        Draw wire through PVC pipe properly. ·        Connect supply to Inverter through MCB properly. ·        Select appropriate socket with switch control. ·        Make earth wire connections for required points. 5 Control 1.5 ton capacity window type A/C equipment by MCB and stabilizer ·        Draw wiring diagram. ·        Identify the size of cable, PVC pipe, MCB, stabilizer, capacity of A/C and Socket ·        Read the specifications of MCB, stabilizer, capacity of A/C and Socket ·        Make connections as per wiring diagram. ·        Connect supply to stabilizer through MCB ·        Select appropriate socket. ·        Make earth wire connections ·        Test with 1-phase, 230 V, 50 Hz supply. 6 Connect the inverter to power supply through 2/3 pin socket and 1-way switch ·        Draw wiring diagram. ·        Select the size of cable,1-way switch, PVC pipe, MCB, capacity of Inverter and Socket as per specifications. ·        Make connections as per wiring diagram. ·        Draw wire through PVC pipe properly. ·        Connect supply to Inverter through MCB properly. ·        Select appropriate socket with switch control. ·        Make earth wire connections for require points 7 Connect computer by main switch board with a miniature circuit breaker. ·        Draw wiring diagram. ·        Identify the size of cable, 1-way switch, PVC pipe, MCB and Sockets ·        Read the specifications of MCB and Sockets ·        Make connections as per wiring diagram. ·        Connect supply to Computer through MCB properly. ·        Select appropriate sockets with 1-way switch control. ·        Make earth wire connections for require points. 8 Connect and test the given public address system ·        Draw wiring diagram. ·        Identify the size of cable, 1-way switch, PVC pipe, amplifier, MCB, mouth piece and Speakers ·        Read the specifications of MCB, Amplifier, speakers and Socket ·        Select colour and length of wire for phase and neutral. ·        Make connections as per wiring diagram. ·        Connect supply to amplifier through MCB properly. ·        Connect mouth piece to amplifier properly. ·        Connect speakers to amplifier properly. ·        Make earth wire connections for require points. 9 Wiring for Alarm circuit with Relay ·           Draw wiring diagram. ·           Select the size of cable, 1-way switch, PVC pipe, push button switches Relay and alarm as per the specifications. ·           Make connections as per wiring diagram. ·           Draw wire through PVC pipe properly. ·           Connect 6V DC supply to relay terminals through push button switches. ·           Connect 230V, 50Hz ,1-phase AC supply to ·           Test the circuit connected through ICDP switch. 10 Prepare switch Board with DOL starter, MCB and Pilot lamps for 3 phase Motor ·           Draw wiring diagram. ·           Select the size of cable, PVC pipe, star-delta starter, MCB and lamp holder as per specifications. ·           Make connections as per wiring diagram. ·           Draw wire through PVC pipe properly. ·           Draw wire of the 3-phase to the motor through star-delta starter. ·           Observe star-delta starter and motor connections. ·           Observe output terminals of star-delta starter (six) ·           Test with 3-phase, 415 V, 50 Hz supply to the circuit connected through ICDP switch. ·           Test by changing any two phases of input supply. 11 Prepare switch board with star delta starter, MCB, Pilot lamps for 3 phase motor ·              Select the size of cable, PVC pipe, star-delta starter, MCB and lamp holder ·               Make connections as per wiring diagram. ·               Draw wire through PVC pipe properly. ·              Draw wire of the 3-phase to the motor through star-delta starter. ·            Test with 3-phase, 415 V, 50 Hz supply to the circuit connected through ICDP switch. ·            Test by changing any two phases of input supply 12 Prepare Pipe Earthing ·            Draw earthing diagram with specifications. ·            Select suitable GI pipes ,GI wire reducing socket and funnel with wire mesh. ·           Prepare the earth pit of 2.5 m below the surface of the ground. ·           Place Earth pipe in vertical position. ·            Draw GI wire to the earthing pipe fastened with bolts & nuts. ·           Fix the funnel with wire mesh at the top of GI pipe. ·           Pour sand, char coal and salt in alternate layers of about 15 cm around the earth pipe. ·        Test the earth resistance with Megger 13 Prepare Plate Earthing ·     Draw Earthing diagram with specifications ·     Select suitable GI plate, GI wire and funnel with wire mesh          ·     Prepare the earth pit of 1.5 m below the surface of the ground ·     Place Earth plate in vertical position ·     Draw GI wire to the GI pipe fastened to GI plate / copper plate with bolts & nuts. ·      Pour sand, char coal and salt in alternate layers of about 15 cm around the earth pipe. ·      Test the earth resistance with Megger. ·     Verify the earth resistance.

REFERENCE
1.    Electrical work shop By R.P.Singh
2.    Electrical Design Estimating And Costing By K.B. RAINA & S.K.BHATTA CHARYA
3.    Residential and Commercial Industrial Electrical systems Vol.2 by Joshi-TMH
4.    Residential and Commercial Industrial Electrical systems Vol.3 by Joshi-TMH
5.    Industrial Safety management by Deshmukh -TMH

## Subject Title                          :           DC MachinesLaboratory Practice

Subject Code                         :           EE-309
Periods/Week                        :           06

## TIME SCHEDULE

 S. No. Major Topics No. of Periods 1. Testing and Speed control of DC motors 51 2. Characteristics of DC Generators 39
OBJECTIVES:
Upon completion of the Practice, the student shall be able to
TESTING AND SPEED CONTROL OF DC MOTORS
1.    Identify the terminals of the following DC Machines
(a)    DC Shunt motor
(b)    DC Series Motor
(c)   Compound Motor.
2.    Study the parts of DC 3 point starter, 4 point starter and Drum Controller Starter.
3.    Obtain performance characteristics by conducting Brake Test on DC Shunt Motor
4.    Obtain performance characteristics by conducting Brake Test on DC Series Motor.
5.    Obtain performance characteristics by conducting Brake Test on DC Compound Motor.
6.    Speed control of DC Shunt Motor by
(a) Rheostatic control method
(b) Field control method
7.    Obtain the performance of a DC Shunt Motor by conducting Swinburne’s test.
CHARACTERSTICS OF DC GENERATORS
8.    Obtain OCC of a DC shunt Generator at rated speeds.
9.     Obtain Internal and External characteristics of DC Shunt Generator.
10.   Obtain Internal and External characteristics of DC Series Generator.
11.   Obtain Internal and External characteristics of DC Compound Generator

Competencies to be achieved by the student

REFERENCES
1.            Electrical Technology - Vol - I  by B.L. Theraja – S.Chand&co.
2.         Electrical Technology - Vol –II by B.L. Theraja - S.Chand&co.
3.         Electrical machines by P.S. Bhimbhra
4.         Electrical Machines by M.V.Deshpande
5.         Electric Machines by D.P.Kothari, J.Nagarath – TMH

ELECTRONICS – I LABORATORY PRACTICE

## Subject Title                          :           Electronics – I Laboratory Practice

Subject Code                         :           EE-310
Periods/Week                        :           03

## TIME SCHEDULE

 S. No. Major Topics No. of Periods 1. Diode Characteristics 9 2. Zener Diode Characteristics 6 3. Filter Circuits 6 4. Regulated power supply 9 5. NPN Transistor 9 6. FET Characteristics 6 Total 45
OBJECTIVES
On completion of the Practice, the student shall be able to
1.0       PLOT THE CHARACTERSTICS OF DIODE
1.1       To draw the forward & reverse characteristics of Silicon diode.
1.2        Determine Knee voltage.
1.3        Identify Cutoff , and Linear regions
1.4       Connect a  6V lamp in series with diode and test it on DC power supply
1.5      Using the CRO  & Curve tracer to observe the Characteristics.
1.6      Heat the diode with a soldering Iron and observe the effect on reverse current

2.0        PLOT THE CHARACTERSTICS OF ZENER DIODE
2.1       To draw the  forward  & reverse characteristics of  Zener  diode  and determine
Breakdown Voltage
1.2          Connect resistance ladder circuit(3 resistors) and measure the voltages at the output by varying input voltage while Zener is reverse biased.

3.0       IMPLEMENT RECTIFIER CIRCUITS TO OBSERVE THE EFFECT OF FILTER
3.1       Implementing Half wave rectifier with and without filter
3.2       Implementing Full wave rectifier with and without filter
3.3       Implementing Bridge rectifier with and without filter
3.4       Implementing Voltage Doubler circuit
3.5       Connect a diode IN4007  in series with a  60W  230V Lamp  and test it .(Record  your observations)

4.0       PLOT THE REGULATION CHARACTERISTICS OF A POWER SUPPLY.
4.1       To build a  Regulated power supply  and draw the regulation characteristics
i) using Zener diode     ii) using 3 Terminal +ve Regulator
4.2       Implement a –ve 3 Terminal Regulator and draw the regulation characteristics
4.3       Implement a Dual regulated power supply using both +ve and –ve  3 terminal regulators and draw the regulation characteristics
4.4      Obtain a voltage above 30V  using Dual RPS in the laboratory and measure them.
5.0       PLOT  INPUT AND OUTPUT CHARACTERISTICS OF NPN TRANSISTOR
5.1      To draw Input and output characteristics of NPN Transistor and determine  Beta of the transistor
a)  in CB configuration    and  b) in CE configuration
5.2    Turn on and turn off a relay using Transistor( BC148 as a switch.)
5.3     Connect a 6v lamp in series with BD139 and observe the effect of base current      variation on  lamp brightness .
5.4      Know the package and differences between BC148A, 148B, 148C and BF194  from the data sheets.
6.0      OBTAIN THE INPUT AND OUTPUT CHARACTERISTICS OF JFET
6.1      Drain the input and output characteristics of JFET and determine pinchoff voltage and transconductance.
6.2      Show that a FET can be used as a constant current source with appropriate bias
6.3      Apply -2 volts to the gate circuit through resistors of value 10k, 100k and 1M separately and measure the output current and analyse.

Competencies to be achieved by the student
 S.No Experiment title Competencies 1 Plot the characteristics of diode 1.Assemble the circuit as per the circuit diagram 2.Identify Diode terminals by observation and also with DMM & Analogue Multimeter. 3.  Drawing inference and writing the report 2 Plot the characterstics of zener diode 1. Assemble the circuit as per the circuit diagram 2. Identify Zener  Diode terminals by observation and with  DMM &Analogue Multimeter. 3.  Drawing inference and writing the report 3 Implement rectifier circuits to observe the effect of filter 1.Assemble the circuit as per the circuit diagram 2. Using the CRO to observe the waveforms 3. Assess the Power supply performance in terms of ripple and   % Regulation 4. Drawing inference and writing the report 4 Plot the regulation characteristics of a power supply 1.Assemble the circuit as per the circuit diagram 2. Identify the 3 terminal  Regulator and its package &pin Configuration 3. Find the output voltage and type from the IC Regulator number 5 Plot  input and output characteristics of NPN transistors 1. Draw the symbols of NPN transistor. 2. Read the circuit Diagram 3. Identify transistor terminals  4. Identify the meters and equipment 5.Interpret NPN transistor datasheets and find the specifications 6 Obtain the input and output characteristics of JFET 1. Draw the symbols of FET, 2. Read the circuit Diagram 3. Identify the FET terminals  4. Identify the meters and equipment 5.Interpret JFET datasheets and finding the specifications.

REFERENCES
1.     Principles of Electronics by V.K. Mehta, S Chand& Co.
2.     Basic Electronics and Linear circuits by Bhargava, TMH Publishers
3.     Electronic Principle by Malvino
4.     Electronic devices and circuits by Mathur, Chada & Kulashrestha
5.     Industrial Electronics by G.K. Mithal

6.     Applied Electronics by G.K. Mithal

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