# BASIC CHEMICAL AND POLYMER ENGINEERING

BASIC CHEMICAL AND POLYMER ENGINEERING

Subject Title               : Basic Chemical and Polymer Engineering
Subject Code             : CH-PP-105
Periods / Week           : 05
Periods / Semester     : 150
TIME SCHEDULE

S.No.
Major topics

# Type

1
Introduction
03
3
1
-
2
Physico-Chemical Calculations
10
6
2
-
3
Material and Energy Balances
10
6
2
-
4
Flow of Fluids
15
13
1
1
5
Heat Transfer
15
10
-
1
6.
Mass Transfer
20
13
1
1
7.
Chemical Kinetics
10
3
1

8.
Measuring Devices
15
10
-
1
9.
Natural Resources and their Utilization
06
3
1
-
10.
Pollution and its Abatement
06
3
1

11.
Energy Technology
10
10
-
1
12
Polymerization Engineering & Technology
22
20
-
2
13
Heavy, Medium and small scale Industries
8
10
-
1
Total
150
110
10
08

OBJECTIVES:
1.0       Introduction:
1.1                   Know the importance of Chemical Engineering.
1.2                   Know Types of Unit Operations.
1.3                   Understand Basic Laws of Chemical Engineering
1.4                   List the Useful Mathematical Methods
1.5                   Comprehend Units and Dimensions

2.0         Physico-Chemical Calculations:
2.1         Define Energy
2.2         Know Equivalent Mass (Weight)
2.3         Define Solution
2.4         Know various Electrochemical Processes
2.5             Know Hardness of water.
2.6         Humidity and saturation

3.0       Material and Energy Balances
3.1         Know the list of Fundamental and Derived quantities.
3.2       Define Atom, Molecule, Mole, Gram–atom, Gram–molecule, Gram molar volume. 3.3       Define Density and Specific gravity, Variation of density and specific gravity with
temperature.
3.4         Know the concept of Hydrostatic head.
3.5         Know the Kinetic theory of gases.
3.6         Know about Gas laws and Ideal gas equation.
3.7         Know about Ideal gas constant
3.8         Know about Unit operation and Unit Process.
3.9         Know about Degrees of Freedom.
3.10       Know about steady and un-steady state mass balance.
3.11       Know about Stoichiometry, applications of stoichiometry, stoichiometric equations, stoichiometric coefficients, and stoichiometric proportions. Give suitable examples.
3.12       Explain the terms Internal energy and Enthalpy.
3.13       Know the terms Sensible heat and Latent heat.
3.14       Define Heat capacity and Specific heat.
3.15       Know about Partial and Complete Combustion.
3.16       Define Calorific value.

4.0       Fluid Mechanics:
4.1         State the importance of flow of fluids.
4.2         Define fluid and types of fluids.
4.3         State the important physical properties of fluid and give their units.
4.4         List out different types of fluids based on physical properties.
4.5         Explain fluid statics and static pressure.
4.6         State Newton’s law of viscosity.
4.7         Distinguish  between Laminar and Turbulent flow.
4.8       Explain the importance of Reynold’s number.
4.9       Derive continuity equation.
4.11     Know about momentum balance.
4.12     List different types of valves.
4.13     Classify pumps.
4.14     Distinguish among Fan, Blower and compressor

5.0       Heat Transfer
5.1         Understand the nature of heat flow.
5.2         Understand various mechanisms of heat flow such as conduction, convection and Radiation.
5.3         Define conduction, convection and Radiation.
5.4         Define steady state and unsteady state heat flow
5.5         Explain the Fourier’s law of heat flow by conduction
5.6         Define Natural convection and forced convection
5.7         Explain emission of Radiation and emissive power.
5.8        Know about black body
5.9         State the Classification of heat exchangers.
5.10       Understand the term evaporation
5.11       Know the different types of evaporators

6.0       Mass Transfer
6.1         Define the mass transfer operation.
6.2         Understand the process of diffusion
6.3         Know about the process of molecular diffusion with example
6.4         Know about Eddy diffusion.
6.5         Know the batch, continuous contact operations.
6.6         Know the co-current, counter current and cross current contact operations.
6.7         Define distillation.
6.8         Explain absorption with examples.
6.9         Know about stripping operation with examples
6.10     Know about extraction and leaching operations
6.11     Know different examples of extraction and leaching
6.12     Define adsorption with examples
6.13     Write about types of adsorption
6.14     Know about drying operation with examples.
6.15     Define various terms involved in humidification & dehumidification operations
6.16     Determine the humidity of a gas system
6.17     Define crystallization.
6.18     Know the principles of crystallization.

7.0       Chemical Kinetics
7.1         Know about the progress of a chemical reaction.
7.2         Know about molecularity of a chemical reaction.
7.3         Know about order of a chemical reaction.
7.4         Know about collision theory.
7.5         Know about catalysts.
7.6         Know about Promoters.

8.0       Measuring Devices
8.1         Know about measurement of density.
8.2         Know about measurement of density using Hydrometer.
8.3         Know about measurement of density using Pycnometer.
8.4         Know about measurement of Viscosity.
8.5         Know about measurement of Viscosity using Ostwald viscometer.
8.6         Know about measurement of Viscosity using Saybolt viscometer.
8.7         Know about measurement of Humidity of a gas.
8.8         Know about measurement of Humidity of a gas using Psychrometer.
8.9         Know about measurement of Humidity of a gas  using Hygrometers.
8.10     Know about measurement of PH
8.11     Know the measurement of Pressure.
8.12     Know the measurement of Temperature.
8.13     Know the measurement of flow rate.

9.0           Natural Resources and their Utilization:
9.1                Define Renewable sources.
9.2                Sources and applications of Renewable sources.
9.3                Define Non- Renewable sources
9.4                Sources and applications of Non- Renewable sources.
9.5                Renewable Energy Resources
a)                  Solar Energy
b)                  Hydro power
c)                  Geothermal Energy
d)                 Wind Power
e)                  Tidal Energy
9.6                Non- Renewable Energy Resources .
a)                  Fossile Fules
b)                  Nuclear Energy
c)                  Natural Energy
9.7       Natural Gas,  Metal Ores

10.0     Pollution and its Abatement
10.1     Know about Pollution and its abatement.
10.2     Define air Pollution.
10.3       Know about air pollution and their sources.
10.4       Discuss the effects of air pollution
10.5       List main guide lines of the Air (Prevention and control of pollution) act 1981.
10.6       Discuss salient features of the Environment (protection) act 1986.
10.7       Define water pollution.
10.8       Know the harmful effects of water pollution.
10.9       Know about control of water pollution.
10.10     Know the main features of water (prevention and control of pollution) act 1947.
10.11     Discuss the salient features of the wild life (protection) act 1972.
10.12     Know about Soil (land) pollution, sources of soil (land) pollution.
10.13     Know the effects of land pollution.
10.14     Know the control of land pollution

11.0          Energy Technology
11.1          Know the energy demand of industry and domestic.
11.2          List out  different forms of energies.
11.3          Classify  different forms of energies
11.4          Know  different sources of energies
11.5          List out different types of primary fuels a)Solid  b) liquid c) gaseous
11.6          List out different types of secondary fuels
11.7                 Define   a) Gross calorific value b) Net calorific value c) Octane number  d) Cetane number e) Diesel Index f) Flash point g) Fire point   of  fuels
11.8                Know different types of non conventional energies, their sources and  applications a) Solar b) Hydraulic c) Wind d) Tidal e) Bio –gas
11.9          Know the importance of various furnaces in chemical industries
11.10      Classify furnaces
11.11      Understand the importance of refractories in furnaces
11.12      Classify refractories

# 12 Polymerization Engineering & Technology

12.1     Define  Polymerization.
12.2     Define and and give examples for
a)      monomer
b)      polymer
c)      micro molecule
d)     macro molecule
e)      homomer
f)       co-polymer
g)      plastic
h)      rubber
i)        elastomer
12.3     Understand the concept of polymerization Engineering & Technology
12.4     Give examples to Domestic  polymer  products.
12.5     Write the different fields of applications for polymer  products.
12.6     State the following  properties of polymer  products
a)      General  properties
b)      Physical properties
c)      Mechanical properties
d)     Chemical properties
12.7     State the advantages of polymer products in different fields.
12.8     State the disadvantages of polymer products in different fields.
12.9     Name the advanced polymer products.
12.10   State applications of advanced polymer products.
12.11   Understand the future scope of polymerization Engineering & Technology
12.12   Define reinforcement
12.13   Understand the concept of  fibre reinforced plastic (F.R.P.)
12.14   Give examples of F.R.P’S.
12.14   State specific properties & applications of  F.R.P.

# following Chemical  Industries,  in Public and Private sectors.

a)      Fertilizer Industries
b)      Petrochemical  Industries
c)      Polymer & Plastic Industries
d)      Vegetables oils  &  fats Industries
e)      Iron & steel  Industries
f)       Pharmaceutical  Industries

COURSE CONTENTS:
1.0 Introduction:
Importance of Chemical Engineering-Types of Unit Operations-Basic Laws related to Chemical Engineering-List the Useful Mathematical Methods-Comprehend Units and Dimensions.

2.0       Physico-Chemical Calculations:
Define Energy-Equivalent Mass (Weight)-Define Solution-Know various Electrochemical Processes-Hardness of water-Humidity and saturation.

3.0       Material and Energy Balances
List of Fundamental and Derived quantities-Define Atom, Molecule, Mole, Gram–atom, Gram–molecule, Gram molar volume-Define Density and Specific gravity, Variation of density and specific gravity with temperature-Concept of Hydrostatic head-Kinetic theory of gases-Gas laws and Ideal gas equation-Ideal gas constant-Unit operation and Unit Process-Degrees of Freedom-Steady and un-steady state mass balance-Stoichiometry- application of stoichiometry-stoichiometric equations-stoichiometric coefficients-stoichiometric proportions-Internal energy and enthalpy-Sensible heat and Latent heat-Heat capacity and Specific heat-Partial and Complete Combustion-Calorific value.

4.0 Fluid Mechanics:
State the importance of flow of fluids-Define a fluid and types of fluids-Important physical properties of fluid and give their units-List out different types of fluids based on physical properties-Fluid statics and static pressure-Newton’s law of Viscosity-Distinguish Laminar and turbulent flow-Importance of Reynold’s number-Continuity equation-Momentum balance-Different types of valves-Classify pumps-Distinguish among Fan, Blower and compressor.

5.0 Heat Transfer:
Nature of heat flow-Mechanisms of heat flow such as conduction, convection and Radiation- Steady state and unsteady state heat flow-Fourier’s law of heat flow by conduction-Natural convection and forced convection-Emission of Radiation and emissive power-Black body-Classification of heat exchangers-Evaporation-Different types of evaporators

6.0       Mass Transfer:
Mass transfer operation- diffusion- molecular diffusion with example- Eddy diffusion-Batch, continuous contact operations-Co-current, counter- current contact and cross current operations-Distillation-Absorption with examples-Stripping operation with examples-Extraction and leaching operations-Examples of extraction and leaching-Adsorption with examples-Types of adsorption-Drying operation with examples-Various terms involved in humidification & dehumidification operations-Humidity of a gas system-Crystallization-Principles of crystallization.

7.0 Chemical Kinetics:
Progress of a chemical reaction-Molecularity of a chemical reaction-Order of a chemical reaction-Collision theory-Catalysts-Promoters.

8.0 Measuring Devices
Measurement of density-Measurement of density using Hydrometer-Measurement of density using Pycnometer-Measurement of Viscosity-Measurement of Viscosity using Ostwald viscometer-Measurement of Viscosity using Saybolt viscometer-Measurement of Humidity of a gas-Measurement of Humidity of a gas using Psychrometer-Measurement of Humidity of a gas using Hygrometer-Measurement of PH-Measurement of Pressure-Measurement of Temperature-Measurement of flow rate.

9.0       Natural Resources and their Utilization
Renewable sources-Sources and applications of Renewable sources-Non-Renewable sources-Sources and applications of Non- Renewable sources-Renewable Energy Resources-Solar Energy, Hydro power, Geothermal Energy, Wind Power, Tidal Energy-Non- Renewable Energy Resources-Fossile Fuels, Nuclear Energy, Natural Energy-Natural Gas,  Metal Ores

10.0 Pollution and its abatement:
Air Pollution-Air pollution and their sources-Effects of air pollution-Guide lines of the Air (Prevention and control of pollution) act 1981-Salient features of the Environment (protection) act 1986-Water pollution-Harmful effects of water pollution-Control of water pollution-Main features of water (prevention and control of pollution) act 1947-Salient features of the wild life (protection) act 1972-Soil (land) pollution, sources of soil (land) pollution-Effects of land pollution-Control of land pollution

11.0 Energy Technology:
Energy demand of industry and domestic-Different forms of energies-Different forms of energies-Different sources of energies-Different types of primary fuels a)Solid b) liquid c) gaseous-Different types of secondary fuels-Gross calorific value b) Net calorific value c) octane number  d) cetane number e) diesel index f) flash point g) fire point   of fuels-Different types of non conventional energies, their sources and their applications a) Solar b) Hydraulic c) Wind d) Tidal e) Bio-gas-Importance of various furnaces in chemical industries-Classify furnaces-Importance of refractories in furnaces-Classify refractories

# 12.0 Polymerization Engineering & Technology

Polymerization.-Defination and examples for monomer, polymer, micro molecule,macro molecule, homomer, co-polymer, plastic, rubber, elastomer- concept of polymerization Engineering & Technology-examples to Domestic  polymer  products- different fields of applications for polymer  products- Physical and mechanical properties of polymer  products- advantages and disadvantages of polymer products in different fields- advanced polymer products-applications of advanced polymer products- future scope of polymerization Engineering & Technology- reinforcement-concept of fibre reinforced plastic (F.R.P.)-examples of F.R.P’S-specific properties & applications of  F.R.P.

# concept of heavy, medium and small scale Industries-Distinguish among heavy, medium and small scale industries- Heavy Medium and small scale Industries in  India  and abroad  for the following Chemical  Industries, in Public and Private sectors.-Fertilizer Industries-Petrochemical  Industries-Polymer & Plastic Industries-Vegetables oils  &  fats Industries-Iron & steel  Industries-Pharmaceutical  Industries

REFERENCE BOOKS :
1.                  Physical Chemistry by Bahl and Tuli.
2.                  Organic Chemistry by Ball and Ball.
3.            Organic Geochemistry for Exploration Geologists, by Douglas Waples, 1984, Berger           Publications, Minnesta USA.
4.                  Elements of Petroleum Geology by Richard, C. Selley, 1998, Academic Press,
London.
5.                  Petroleum Geology by North, F.K., 1990. Unwin Hyman Publications, Boston, USA.
6.         Fundamental aspects of Petroleum Geochemistry by Nagy, B and Colombo, V. 1967. Elsevier Publications, Amsterdam.
7.         Geochemistry of Oil Field waters by Collins by A.J., 1975, Elsevier Publications, Amsterdam.
8.         Petroleum Geochemistry and Geology by Hunt, J.M., 1979, Freeman, San Francisco, USA.

MATERIALS TECHNOLOGY
Subject                                   :           Materials Technology
Subject Code                         :           CH -PP – 106
Periods / Week                       :           03
Periods / Year                        :           90

TIME SCHEDULE
S. No.
Major Topics
No. of Periods

#### Marks

Short answer type
Essay type
1.
Introduction
03
03
1
-
2.
Mechanical Properties of metals and Testing of materials
12
26
2
2
3.
Structure of metals and alloys
08
5
-
½
4.
Thermal equilibrium diagram
10
10
-
1
5.
Production of Iron and Steel
13
13
1
1
6.
Plain Carbon and Alloy Steels
06
11
2
½
7.
Non ferrous metals and alloys
09
08
1
½
8.
Miscellaneous materials
15
14
2
1
9.
Corrosion
14
18
1
Total
90
110
10
08

Objectives:
On completion of study of the subject the student should be able to
1.0       Introduction
1.1       Define Engineering Materials
1.2       Classification of Engineering Materials
1.3       Need of Engineering Materials and their applications.
2.0       Mechanical properties of metals and testing of materials
2.1       Define the following properties
a.         Strength of a material
b.         Ultimate Strength
c.         Stress
d.         Strain
e.         Elasticity
f.          Tensile and compressive strength
g.         Ductility
h.         Hardness
i.          Toughness
j.          Brittleness
k.         Impact strength
l.          Fatigue and creep strength.
2.2       Know about the various destructive methods of testing and non destructive methods
of testing to identify various defects of materials and their applications.
2.3       Know the determination of tensile strength and Compressive strength’s by universal
testing machine.
2.4       Know the determination of hardness by Brinell hardness testing and Rockwell
hardness testing machines.
2.5       Know the determination of impact strength by Izod and Charpy’s testing machines.
2.6       Identify the procedures to detect the internal defects of a metal by x – ray,   ¡ – ray
(Gamma ray) and ultrasonic tests.
3.0       Understand the structure of metals and alloys
3.1       Define Unit cell and space lattice.
3.2       Understand the arrangements of atoms in FCC (Face Centered Cubic), BCC (Body Centered Cubic) and HCP (Hexagonally close packed) systems and give examples.
3.3       State the effect of grain size on mechanical properties.
3.4       Identify the factors promoting grain size.
3.5       Explain the phenomenon of crystallization.

4.0       Understand thermal equilibrium diagram
4.1       Explain Cooling curve for pure iron
4.2       know Allotropic forms of pure iron
4.3       Draw Iron – Carbon thermal equilibrium diagram.
4.4       Locate the peritectic, eutectic, eutectoid points from the iron – carbon
diagram.

5.0       Know the methods of producing iron and steel
5.1       Name the various raw materials required for the production of iron.
5.2       Name the various methods of manufacturing of steel and iron.
5.3      Explain the production of Pig iron by Blast Furnace
5.4      Explain the manufacturing methods of steel
5.5      Explain the production of Cast iron by Cupola Furnace
5.6       Write the classification of different types of cast iron such as white, gray &                                    Malleable Cast iron.
5.7      Know about the properties and applications of different types of cast iron.

6.0       Know the plain carbon steels and alloy steels.
6.1       State the classification of plain carbon steels.
6.2       Describe the need for  alloying the steel with other elements.
6.3       State the composition, properties, industrial applications of alloy steels.
6.4       Select the proper alloy steel for the given engineering application.

7.0       Understand non – ferrous metals and their alloys
7.1       State the importance of various non – ferrous metals and alloys – aluminum,
copper, Nickel, lead, Tin, Zinc, titanium, Zirconium
7.2       Know the properties of aluminum, copper, zinc, tin, lead, and their applications.
7.3       State the effects of the alloying elements (a) Copper (b) Silica (c) Magnesium (d) Manganese with aluminum.
7.4       Know the types of copper alloys (Brasses & Bronzes), their properties and applications.
7.5       Know the types of Nickel alloys (Monel, Hastalloy), their properties and applications.

8.0       Know the commonly need miscellaneous materials
8.1       Know the Importance of Glass , types of glass and its applications
8.2       Understand the importance of glass and its lining as materials of construction for the process equipments.
8.3       State the properties and applications of carbon and graphite.
8.4       Know the composition, properties and applications of stoneware.
8.5       Know the applications of Asbestos, Rubber, Elastomers.
8.6       Know the applications of polymers.
8.7       Know about refractories and their applications
8.8       Know about Glass ceramics , Ceramites and Glass wool
.

9.0       Understand corrosion and its prevention
9.1       Define corrosion and explain the causes of corrosion.
9.2       Explain electro chemical theory of corrosion
9.3       Know briefly about (a) electrode potential (b) passivity (c) electro chemical series   (d) polarization.
9.4       Explain briefly about (a) uniform corrosion (b) stress corrosion (c) pitting    (d) hydrogen attack (e) Bimetallic corrosion (f) grain boundary corrosion            (g) Fatigue corrosion

## 9.5       Know briefly about the methods of prevention of corrosion by (a) Proper selection of materials (b) organic coatings (c) inorganic coatings (d) Anodic and cathodic protection (e) Anodic and cathodic inhibitors.

#### COURSE CONTENTS:

1.         Introduction – Definition, Classification of engineering materials, need and applications.
2.         Mechanical properties of metals &Testing of materials –define the terms, Ultimate Strength, Stress, Strain, Elasticity, tensile and compressive strength, ductility, hardness, toughness, brittleness, impact strength, fatigue and creep strength- various destructive testing methods of tensile strength, compressive strength, hardness, impact strength and various non destructive testing methods – x ray, ¡ – ray and ultrasonic test.
3.         Structure of metals and alloys – unit cell – space lattice – FCC, BCC, HCP space lattices – formation of grains by dendritic growth, effect of rate of cooling on grain formation – effect of grain size on mechanical properties – factors promoting grain size – crystallization.
4.         Thermal equilibrium diagram – cooling curve for pure iron – allotropic forms of pure iron, iron – carbon thermal equilibrium diagram – peritectic, eutectic and eutectoid points in iron carbon diagram.
5.         Production of iron and steel – Production of iron by Blast furnace, cast iron by cupola furnace – Steel by Bessemer converter, L.D converter, electric arc furnace- classification of cast iron – white, grey, malleable and S.G. cast irons.
6.         Plain carbon steels and alloy steels – classification of plain carbon steels, application – alloying of steels – industrial applications of alloy steels, alloy steels for engineering applications.
7.         Non ferrous metals and their alloys – importance of various non ferrous metals of aluminum, copper, nickel, lead, tin, zinc, titanium, zirconium, - properties of aluminum, copper zinc, tin, lead and their applications – effect of alloying elements Cu, Si, Mg, Mn with aluminum – types of Nickel and copper alloys, their properties and applications.
8.         Miscellaneous materials – Importance of glass, types and applications of glass – applications of polymers – composition, properties and applications of stoneware – applications of asbestos, rubber, elastomers, polymers, epoxy resins, fibre glass, reinforced plastics, refractories, Glass ceramics, Ceramites, Glass wool.
9.         Corrosion : corrosion – causes of corrosion – electro chemical theory – electrode potential – passivity – electro chemical series – polarization – types of corrosion – uniform corrosion – stress corrosion – pitting corrosion – hydrogen attack – bimetallic corrosion – grain boundary corrosion – fatigue corrosion – methods of prevention of corrosion.

## 1.         Engineering Chemistry by Jain & Jain, Dhanapat Rai Publications, New Delhi.

2.         Engineering Metallurgy    by D. Swarup
3.         Engineering Metallurgy    by Higgins.

## 7.         Material Science    by Hazra Chowdhery.

8.         An introduction to Science of corrosion and inhibition    by S.N.Benerjee.
9.          Elements of Fuels, furnaces and refractories by O.P.Gupta

WORKSHOP PRACTICE

Subject title                 :           Workshop Practice
Subject Code              :           CH-PP-108
Periods per Week        :           06
Periods per Year         :           180
S.No.
##### Major Topics
No. Of periods
1
Identification of workshop tools
24
2
Carpentry
30
3
Fitting
20
4
Welding
20
5
Basic machine operations
30
6
Plumbing
16
7
Electrical wiring single phase
20
8
Electrical wiring multi phase
20
##### TOTAL
180

OBJECTIVES:
Upon completion of the practice, the student will be able to
1.         Use of different tools in Carpentry, Fitting ,Welding and Turning section of  workshop.
2.         Prepare various carpentry joints, panel boards and cabinet boxes.
3.         Hacksaw cutting, grinding, thread cutting for metal conduit; G.I. Pipes and roads etc, in fitting section.
4.         Handle welding transformer and make lap and butt joints.
5.   (a)  Exercise on lathe like simple turning, step turning, taper turning and knurling.
(b)  Exercise on thread cutting for pipes and rods on Lathes.
(c)  Hand drilling machines and grinding machine.
6.0       Know the basics of plumbing work and applications.
(i)    Know the types of pipe joints.
a) Understand the symbols.
b) Know the materials used in pipes.
c) Assembling, threading, joining of pipes.
d) Able to understand cross, T, L joints etc.
7.0    know about single phase electrical wiring
8.0    know about multi phase electrical wiring

COURSE CONTENT:

Following list of experiments are to be made by every student in the workshop

1.0    Use of different tools in
(a) Carpentry
(b) Fitting
(c)  Welding
(d) Turning
(e) Electrical wiring

2.0     CARPENTRY:
2.1       Exercises on planning, sawing and chiseling
2.2       Prepare a half lap joint
2.3       Prepare a Dovetail joint.
2.4       Prepare a Mortise joint.
2.5       Prepare a 20 cm X 15 cm Teakwood switch board with hinges and bottom hook.
2.6       Fix the laminate sheet to the above box and cut suitable holes to mount tone flush type switch, socket.

3.0      FITTING:
3.1       Exercises to cut a metal conduit, G.I. Pipe and solid rod using hack saw.
3.2       3 & 4 Thread cutting of G.I.pipe, metal conduit and solid rod using Die set.
3.3       5 & 6 Internal thread cutting using Tap set and cleaning the threads using
reamers and make a hexagonal nut from a round rod.

4.0      WELDING:
4.1       Prepare a job and to make a lap joint and finish it using grinder.
4.2       Prepare a job and make a butt joint and finish it with grinder.
4.3       Prepare the job and make ‘T’ joint.

5.0      MACHINE SHOP:
5.1       Exercise on turn  the given rod to get three different diameters using lathe.
5.2       Make a bolt and cut threads using lathe.
5.3       Cut the threads to G.I. Pipe using lathe.
5.4       Prepare a centre punch and knurl its head.
5.5       Make a square plate using power hack saw, remove sharp edges using grinder, make triangle and drill three holes of different diameters at the vertices.

6.0     PLUMBING:
Plumbing work and applications
1. Types of pipe joints .
2. Symbols
3. Materials used for pipes
4. Assembling, Threading , Joining of pipes.
5. Different  fittings such as cross, L, T etc.,

7.0       Electrical wiring single phase:
(a) Series connection
(b) Parallel connection

8.0      Electrical wiring multi phase
(a) Series connection

(b) Parallel connection
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