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DIPLOMA IN
ELECTRICAL& ELECTRONICS ENGINEERING
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

Engineering Mathematics  II

4



60

3

20

80

100


EE 302

DC
Machines

4



60

3

20

80

100


EE 303

Electric
circuits

4



60

3

20

80

100


EE304

Electrical
& Electronic Measuring Instruments

4



60

3

20

80

100


EE305

ElectronicsI

4



60

3

20

80

100


EE306

General
Mechanical Engineering

4

_

60

3

20

80

100


PRACTICAL:


EE307

Circuits and Measurements
Laboratory Practice



6

90

3

40

60

100


EE308

Electrical Workshop Practice



3

45

3

40

60

100


EE309

DC Machines Laboratory Practice



6

90

3

40

60

100


EE310

ElectronicsI 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
MathematicsII
Subject Code : EE301
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
UnitI
1.0 Use Indefinite Integration to solve engineering problems
1.1 Explain the concept of Indefinite integral
as an antiderivative.
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 Sin^{m}q
Cos^{n }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 e^{x }[f(x)
+ f ¢(x)] dx.
UnitII
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 covarience.
4.9 Explain coefficient of correlation and its
properties
4.10 Calculate the coefficient of correlation
between two variables.
4.11 Find rank correlation coefficient.
COURSE CONTENT
UnitI
Indefinite Integration:
1.
Integration regarded as antiderivative – Indefinite integral of standard
functions. Properties of indefinite
integral. Integration by substitution or change of variable. Integrals of the
form
sin^{m}q. cos^{n
}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.
UnitII
Definite
Integral and its applications:
2. Definite integralfundamental 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 equationorder and degree of a
differential equation formation of differential equationssolution of
differential equation of first order, first degree: variableseparable,
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 coefficient.
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 McGrawHill
4. Statistics, 4/e, Schaum’s Outline Series
(SIE), McGrawHill
D.C.
MACHINES
Subject Title : D.C.
Machines
Subject Code : EE302
Periods/Week : 04
Periods/Semester : 60
TIME SCHEDULE
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.
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, Y_{b}, Y_{f}, Y_{R} 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) AT_{d } / pole ii) AT_{c} / Pole.
2.5 Solve simple problems
on AT_{d } / pole; AT_{c} / 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)
(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 (T_{a}) ii)Shaft torque (T_{sh}) 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 3point starter with legible sketch.
4.8
Explain
the working of 4point 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.
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 magnetizationDerive for AT_{d},
AT_{c} / 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 motorFleming’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 motorsProblems on E.M.F equation – TorqueTorque
equation of Dc motor  Armature torque (T_{a}) , shaft torque (T_{sh})
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 controldifferent
methods (Flux, Armature and Voltage) of speed controls for D.C shunt motorsState
the advantages and disadvantages of above methodsdifferent methods of speed
control for series motors problems
necessity of starter 3point starter, 4point starter,.
5.Testing of D.C Motors
Performance
curves brake test on different types of D.C motorsSwinburne’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 : EE303
Periods/Week : 04
Periods/semester : 60
TIME SCHEDULE
Sl. No.

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 viceversa
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 q_{m} & q_{e}
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 Viceversa.
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) RL series circuit ii) RC series circuits
iii) LC series circuits iii) RLC
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 RLC series circuit.
4.7 Define Q factor
4.8 Explain the importance of
Qfactor.
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
ii) Admittance 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, stardelta 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 q_{m} & q_{e} 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 formsform factor
peak factor  Representation of
alternating quantities by equation, graphs and phasor diagrams  Phase and phase difference – Understanding of `J’ notation for alternating quantities ,transformation from
polar to rectanglar notations and Viceversa
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  RL, RC , LC
& RLC 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 QfactorImportance 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 polyphase systems over singlephase systems.
REFERENCES
1.
B.L. Theraja
Electrical Technology  Vol  I
S.Chand &co.
2.
V.K.MehtaIntroduction
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.
quantities.
1.3 Classify the instruments on the basis
of their construction and output as
analog(electromechanical and analog electronic) and digital instruments .
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
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
2.5 State advantages and disadvantages of M.C
Instruments.
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.
2.9 State the advantages and disadvantages
of 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.
2.18 List the advantages and disadvantages of
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 1phase
induction type Energy meter
2.24 Explain the working of a 1phase
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 3phase 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
Ohmmeter.
3.4 Explain the working of basic Ohmmeter.
3.5 Describe the two types of Ohmmeters
(series and shunt).
3.6 Distinguish between shunt and series
Ohmmeters
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 .
4.11 State the advantages and Disadvantages of
LVDTs.
4.12 Explain the concept of Sensor
4.13 List the applications of sensors.
4.14 Write about Semiconductor 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.
5.5 List the advantages of Digital Instruments
over Analog 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 instrumentsdefinitions
of
accuracy ,precision ,error, resolution and
sensitivitytypes 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
3phase 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 transducerneed of
transducerClasssification 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
diagramuse 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 : EE305
Periods/Week : 04
Periods/Semester : 60
TIME SCHEDULE
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)Coefficient 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 SemiConductor Devices
2.1
State the electrical
characteristics of
i) insulators ii) conductors iii)
semiconductors
2.2
Distinguish between
intrinsic and extrinsic semiconductors
2.3
Distinguish between P
type and N type semiconductors.
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) Optocoupler 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) Optocoupler 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
cutoff and lower cutoff 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 resistorsDifferent types of
capacitors, specifications, Colour code, uses different types of chokes and transformers Specifications of inductors and transformers
2. Semiconductor
Devices
Insulators Semiconductorsconductor materials Intrinsic and extrinsic
semiconductors, `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 techniqueOperating
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. BhargavaBasic
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 : EE306
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 stressstrain 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)4stroke diesel engine ii) 4stroke petrol engine
3.5 Explain the principle of i)2stroke diesel engine ii) 2stroke petrol engine
3.6 Distinguish between 4stroke cycle and
2stroke 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,stressstrain
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 tubewater 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 SinghStrength of materials
3. S.B.JunarkerStrength of materials
4. JagadishalalHydraulic Machinery
5. R.S. KurmiStrength
of Materials
CIRCUITS AND
MEASUREMENTS LABORATORY PRACTICE
Subject Title : Circuits
and Measurements Laboratory Practice
Subject Code : EE307
Periods/Week : 06
Periods/Year : 90
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 Qfactor 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 3Voltmeter method
10. b) Measurement of power in 1 Ǿ
circuit by 3Ammeter method
11. Measurement of power in 3 Ǿ
balanced circuit by 2Wattmeter 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 Qfactor and Power Factor of a coil

·
Select proper supply and load.
·
Select proper meters with proper ranges
·
Calculate Z,Qfactor
· Vary
the Inductance to change the load.

9

Measurement
of Idle & Energy components of current in a 1Ǿ Inductive circuit

·
Select proper supply and load.
·
Select proper meters with proper ranges
·
Calculate I_{X, }Iy, sin Ǿ
·
Draw the vector diagram(I_{y} Vs I_{x}
)
·
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 : EE308
Periods/Week : 03
Periods/Year : 45
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 1way switch & two
2way 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 1way 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 1way 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,1phase 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

SeriesParallel
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 1way 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 1way switches

·
Draw wiring
diagram.
·
Identify the size
of cable,1way 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 1phase,
230 V, 50 Hz supply.

6

Connect
the inverter to power supply through 2/3 pin socket and 1way switch

·
Draw wiring
diagram.
·
Select the size of
cable,1way 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, 1way 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 1way 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, 1way 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, 1way 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
,1phase 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, stardelta starter, MCB and lamp holder as per
specifications.
·
Make connections as
per wiring diagram.
·
Draw wire through
PVC pipe properly.
·
Draw wire of the
3phase to the motor through stardelta starter.
·
Observe stardelta
starter and motor connections.
·
Observe output
terminals of stardelta starter (six)
·
Test with 3phase,
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, stardelta starter, MCB and lamp holder
·
Make connections as
per wiring diagram.
·
Draw wire through
PVC pipe properly.
·
Draw wire of the
3phase to the motor through stardelta starter.
·
Test with 3phase,
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 JoshiTMH
4.
Residential
and Commercial Industrial Electrical systems Vol.3 by JoshiTMH
5.
Industrial
Safety management by Deshmukh TMH
DC MACHINES
LABORATORY PRACTICE
Subject Title : DC Machines Laboratory Practice
Subject Code : EE309
Periods/Week : 06
Periods/Semester : 90
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
S.No

Experiment title

Competencies

1

Identify the terminals of the following DC Machines
(a)DC Shunt motor
(b)DC Series Motor
(c)DC Compound Motor.

·
Note down the name plate details.
·
Locate the
different terminals of a DC Shunt Motor / DC Series Motor./. DC Compound
Motor.
·
Measure the
resistance across different terminals using multimeter.
·
Record the
resistance values of the terminals.
·
Identify the
armature and shunt field / series field resistance according to resistance
values observed.

2

Study the parts of DC 3 point, 4 point starter..

·
Locate the Line, Armature, Field terminals of the
starter (LAF)
·
Locate NVR coil and
OLR coils.
·
Know the purpose of
NVR and OLR coils.
·
Properly connect Starter and motor terminals
·
Properly handle the Starter terminals.
·
Properly start the motor.

3,4,5

Performance
characteristics of DC (Shunt ,Series, Compound)Motors.
by
conducting Brake Test

·
Select the proper
DC supply voltage
·
Choose the proper
range of voltmeter, ammeter and rheostat.
·
Connect the circuit
as per the circuit diagram.
·
Ensure that all the
instruments are connected in proper polarity.
·
Start the Motor
with the starter.
·
Note the readings
of speed N, current I and spring balance for a particular load.
·
Pour water in the
break drum carefully.
·
Check the speed and
maintain it constant by means of field regulator before taking every reading.
·
Note readings by
varying loads on the motor upto rated current.
·
Calculate the
torque,input, output and efficiency.
·
Draw performance
curves of motor

6

Speed control of DC Shunt Motor by
(a)Rheostatic control method
(b) Field control method

·
Select the proper
DC supply voltage
·
Choose the proper
range of voltmeter, ammeter and rheostat.
·
Connect the circuit
as per the circuit diagram.
·
Ensure that all the
instruments are connected in proper polarity.
·
Handle
the 3 point Starter
·
Set
the Field Resistance of the motor by gradually moving the knob on the
rheostat coil.
·
Record
the readings of Ammeter and Tachometer by gradually increasing the resistance
in the Field rheostat.
·
Draw
the graph speed Vs Field current.
·
Observe
the graph and write the conclusions.

7

Performance of a DC Shunt
Motor by conducting Swinburne’s test.

·
Select the proper
DC supply voltage
·
Choose the proper
range of voltmeter, ammeter and rheostat.
·
Connect the circuit
as per the circuit diagram.
·
Ensure that all the
instruments are connected in proper polarity.
·
keep the rheostat is maximum position in armature so
that minimum voltage is applied to armature

·
Adjusting
the field rheostat to minimum position
·
Adjust
the speed of the motor to its rated value by using its Field Rheostat.
·
Taking
the readings of Ammeter and Voltage by opening the Field switch
·
Taking
the readings of Voltage and current by closing the field switch and gradually
decreasing the resistance in the Rheostat.
·
Calculate
the efficiency of the DCMachine as a Generator and as a Motor at various
loads.
·
Draw
the conclusions.


8

OCC
of a DC shunt Generator at rated speeds.

·
Draw
the relevant circuit diagram for OCC test.
·
Select the proper
DC supply voltage.
·
Choose the proper
range of voltmeter, ammeter and rheostat.
·
Make the
connections according to circuit diagram.
·
Ensure that all the
instruments are connected in proper polarity.
·
Check the speed and
maintain it constant by means of field regulator before taking every reading.
·
Observe and note
the readings in a tabular form.
·
Draw the graph
between I_{f }Vs E_{g .}

9,10,11

Obtain Internal and External
characteristics of DC (Shunt ,Series, Compound) Generator

·
Select the proper
DC supply voltage
·
Choose the proper
range of voltmeter, ammeter and rheostat.
·
Connect the circuit
as per the circuit diagram.
·
Ensure that all the
instruments are connected in proper polarity.
·
Adjust
the motor rheostat to minimum position
·
Adjust
the Generator rheostat to maximum position
·
Adjust
the speed of the motor to its rated value
·
Setting
the Field Rheostat of the motor.
·
Gradually
increase the Load current by operating the Load switches.
·
Measure
the terminal voltage.
·
Measure
the load current and armature current.
·
Measure
the Armature resistance by DC Resistance method.
·
Calculate
I_{a}R_{a }drop.
·
Draw
the graph for External Characteristics
·
Draw
the graph for Internal Characteristics
·
Observe
the difference between the Graphs of
Internal and External characteristics.

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 : EE310
Periods/Week : 03
Periods/Semester : 45
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