Lesson Plan Name of the faculty : Rohit Discipline : Mechanical Engineering Semester : 3 rd Semester Subject : Applied Mechanics Lesson Plan Duration: 15 weeks (July-18 to Nov-18) Work Load : (L/P) (4 Periods/ 2 periods) /Week Theory Practical Week Lecture Day Topics Topics 1 st 1 st Unit 1 Concept of engineering mechanics and its definition 1 st Verification of the polygon law of forces using Gravesand’s apparatus. (Group1) Verification of the polygon law of forces using Gravesand’s apparatus. (Group2) 2 nd Statics, dynamics, application of engineering mechanics in practical fields. 3 rd Different systems of units (FPS, CGS, MKS and SI) 4 th scalar and vector quantities 2 nd 5 th Concept of rigid body 2 nd To verify the forces in different members of jib crane. (Group1) To verify the forces in different members of jib crane. (Group2) 6 th their conversion from one to another e.g. density, force, pressure, work, power, velocity, acceleration( Simple 7 th Unit 2 Laws of forces- Definition of force, Bow’s Notations. 8 th types of force: Point force/concentrated force & Uniformly distributed force 3 rd 9 th effects of force, characteristics of a force. 3 rd To verify the reaction at the supports of a simply supported beam. (Group1) . To verify the reaction at the supports of a simply supported beam. (Group 2) 10 th Different force systems, principle of transmissibility of forces, law of super-position 11 th Composition and resolution of coplanar concurrent forces, resultant force, 12 th method of composition of forces, laws of forces, triangle law of forces 4 th 13 th polygon law of forces - graphically, analytically, resolution of forces 4 th To find the mechanical advantage, velocity ratio and efficiency in case of an inclined plane. (Group1) To find the mechanical advantage, velocity ratio and efficiency in case of an inclined plane. (Group 2) 14 th Free body diagram and its Simple problems 15 th Equilibrant force and its determination 16 th Simple problems on above topics 5 th 17 th Unit 3 Moment Concept of moment 5 th To find the mechanical advantage, velocity ratio and efficiency of a screw jack. (Group1) (Group 2) 18 th moment of a force and units of moment
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Lesson Plan - Government Polytechnic, Hisar · transmissibility of forces, law of super-position 11 th Composition and resolution of coplanar concurrent forces, resultant force, 12
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Lesson Plan
Name of the faculty : Rohit
Discipline : Mechanical Engineering
Semester : 3rd
Semester
Subject : Applied Mechanics
Lesson Plan Duration: 15 weeks (July-18 to Nov-18)
Work Load : (L/P) (4 Periods/ 2 periods) /Week
Theory Practical Week Lecture
Day
Topics Topics
1st 1
st Unit 1 Concept of engineering mechanics and its
definition
1st Verification of the polygon law
of forces using Gravesand’s
apparatus.
(Group1)
Verification of the polygon law
of forces using Gravesand’s
apparatus.
(Group2)
2nd
Statics, dynamics, application of engineering
mechanics in practical fields.
3rd
Different systems of units (FPS, CGS, MKS and
SI)
4th
scalar and vector quantities
2nd
5th
Concept of rigid body 2nd
To verify the forces in different
members of jib crane.
(Group1)
To verify the forces in different
members of jib crane.
(Group2)
6th
their conversion from one to another e.g. density,
force, pressure, work, power, velocity,
acceleration( Simple 7th
Unit 2 Laws of forces- Definition of force,
Bow’s Notations.
8th
types of force: Point force/concentrated force &
Uniformly distributed force
3rd
9th
effects of force, characteristics of a force.
3
rd To verify the reaction at the
supports of a simply supported beam.
(Group1)
. To verify the reaction at the supports
of a simply supported beam.
(Group 2)
10th
Different force systems, principle of
transmissibility of forces, law of super-position 11
th Composition and resolution of coplanar
concurrent forces, resultant force,
12th
method of composition of forces, laws of forces,
triangle law of forces
4th
13th
polygon law of forces - graphically, analytically,
resolution of forces
4th
To find the mechanical advantage,
velocity ratio and efficiency in case
of an inclined plane. (Group1)
To find the mechanical advantage,
velocity ratio and efficiency in case
of an inclined plane. (Group 2)
14th
Free body diagram and its Simple problems
15th
Equilibrant force and its determination
16
th Simple problems on above topics
5th
17th
Unit 3 Moment Concept of moment
5th
To find the mechanical advantage,
velocity ratio and efficiency of a screw
jack. (Group1) (Group 2) 18th
moment of a force and units of moment
19th
Varignon's theorem (definition only)
20th
SESSIONAL I
6th
21st Principle of moment and its applications -Levers
– simple and compound,
6th
To find the mechanical advantage,
velocity ratio and efficiency of worm
and worm wheel. (Group 1)
To find the mechanical advantage,
velocity ratio and efficiency of worm
and worm wheel. (Group 2)
22nd
steel yard, safety valve, reaction at support.
23rd
Parallel forces (like and unlike parallel force),
calculating their resultant
24th
Concept of couple, its properties and effects
7th
25th
Position of resultant force by moment 7th
To find mechanical advantage,
velocity ratio and efficiency of single
purchase crab. (Group 1)
To find mechanical advantage, velocity
ratio and efficiency of single purchase
crab. (Group 2)
26th
General conditions of equilibrium of bodies under
coplanar forces
27th
Simple problems on the above topics
28th
Unit 4 Definition and concept of friction
8th
29th
Types of friction, force of friction, limiting
frictioin
8th
To find out center of gravity of
regular lamina. (Group 1)
To find out center of gravity of regular
lamina. (Group 2)
30th
Laws of static friction, coefficient of friction,
angle of friction, angle of repose.
31st Equilibrium of a body lying on a horizontal plane
equilibrium of a body lying on a rough inclined.
plane. 32nd
Calculation of least force required to maintain
equilibrium of a body 9th
33rd
rough inclined plane subjected to a force:Acting
along the inclined plane
9th
To find out center of gravity of
irregular lamina. (Group 1)
To find out center of gravity of
irregular lamina. (Group 2)
34th
At some angle with the inclined plane
35th
Ladder friction and its problems
36th
Advantages and Disadvantages of friction
10th
37th
Methods of increasing/decreasing the force of
friction.
10th
To determine coefficient of friction
between three pairs of given surface.
(Group 1)
To determine coefficient of friction
between three pairs of given surface.
(Group 2)
38th
[Simple problems on the above topics]
39th
SESSIONAL II
40th
Unit 5 -Centre of Gravity
Concept, definition of centroid of plain figures
11th
41st centre of gravity of symmetrical solid bodies,
difference between centroid and C.G.
REVISION OF PRACTICAL 1.2.3
42nd
Determination of centroid of plain
43rd
composite lamina using moment method only
44th
centroid of bodies with removed portion
12th
45th
Determination of center of gravity of solid bodies
- cylinder, cube, cuboid and sphere
REVISION OF PRACTICAL 4.5.6
46
th composite bodies and bodies with portion
removed
47th
Simple problems on the above topics
48th
Unit 6 Simple machines -Definition of Simple
13th
49th
compound machine (Examples), Definition of
load
REVISION OF PRACTICAL 7.8
50th
effort, velocity ratio, mechanical advantage and
efficiency of a machine
51st their relationship, law of machines
52nd
Definition of ideal machine, reversible and self
14th
53rd
Effort lost in friction, Load lost in friction,
REVISION OF PRACTICAL 9.10
54th
determination of maximum mechanical advantage
55th
System of pulleys and their V.R. and efficiency
56th
Working principle and application of wheel s axle
15th
57th
Weston’s Differential Pulley Block
VIVA- VOCE
58th
simple screw jack, worm and worm wheel, single
and double winch crab 59th
Simple problems on the above topics
60th
SESSIONAL III
Lesson Plan
Name of the faculty : Jaibir Dhull
Discipline : Mechanical Engineering
Semester : 3rd
Semester
Subject : BASICS OF ELECTRICAL AND ELECTRONICS ENGINEERING
Lesson Plan Duration: 15 weeks (July-18 to Nov-18)
Work Load : (L/P) (3 Periods/ 2 periods) /Week
Theory Practical Week Lecture
Day
Topics Topics
1st 1
st Unit 1 Application and Advantage of
Electricity- Difference between ac and dc,
various applications of electricity
1st Connection of a three-phase motor
and starter with fuses and reversing of
direction of rotation
2nd
advantages of electrical energy over other types
of energy
3rd
Unit 2 Basic Electrical Quantities- Definition of
voltage, current, power and energy with their unit
4th
name of instruments used for measuring above
qunt. 2nd
5th
connection of these instruments in an electric
circuit
2nd
Connection of a single-phase
induction motor with supply and
reversing of its direction of rotation 6
th Unit 3 AC Fundamentals- Electromagnetic
induction-Faraday’s Laws, Lenz’s Law;
Fleming’s rules, 7th
Principles of a.c. Circuits; Alternating emf,
8th
amplitude and time period. Instantaneous,
average
3rd
9th
r.m.s and maximum value of sinusoidal wave 3rd
Troubleshooting in domestic wiring
system, including distribution board
10th
form factor and Peak Factor. Concept of phase
and phase
11th
difference. Concept of resistance,
12th
inductance and capacitance in simple a.c. circuit
4th
13th
power factor and improvement of power factor by
use of capacitors.
4th
Connection and reading of an
electric energy meter
14th
Concept of three phase system
15th
star and delta connections
16th
voltage and current relationship (no derivation)
5th
17th
Definition of cycle, frequency 5th
Use of ammeter, voltmeter,
wattmeter, and multi-meter
18th
Unit 4 Transformers-Introduction
19th
Working principle and construction of single
phase transformer 20
th SESSIONAL I
6th
21st transformer ratio, emf equation
6th
Measurement of power and power
factor in a given single phase ac circuit
22nd
losses and efficiency, cooling of transformers
23rd
isolation transformer, CVT
24th
auto transformer (brief idea), applications.
7th
25th
Unit 5 Distribution System-Introduction 7th
Study of different types of fuses,
MCBs and ELCBs
26
th Difference between high and low voltage
distribution system, identification of three-phase
wires
27th
neutral wire and earth wire in a low voltage
distribution system.
28th
Identification of voltages between phases
8th
29th
between one phase and neutral. Difference between three-
phase and single-phase supply 8
th Study of zener diode as a constant
voltage source and to draw its V-I
characteristics 30
th Unit 6 Electric Motor- Description and
applications of single-phase and three-phase
motors 31st Connection and starting of three-phase induction
motors by star-delta starter 32
nd Changing direction of rotation of a given 3 phase
induction motor. 9th
33rd
Motors used for driving pumps 9th
Study of earthing practices
34
th compressors, centrifuge, dyers etc.
35th
Totally enclosed submersible and flame proof
motors 36th
Unit 7 Domestic Installation- Introduction
10th
37th
[Simple problems on the above topics]
10th
To draw V-I characteristics of a
(i) NPN transistor
38th
Distinction between light-fan circuit
39th
SESSIONAL II
40th
single phase power circuit, sub-circuits
11th
41st various accessories and parts of domestic
electrical installation
11th
To draw V-I characteristics of
(ii) thyristor (SCR)
42nd
Identification of wiring systems
43rd
Common safety measures and earthing
44th
Unit 8 Electrical Safety-Introduction
12th
45th
Electrical shock and precautions against shock Study of construction and working of a
(i) stepper motor and
46th
treatment of electric shock
47th
concept of fuses and their classification
48th
selection and application,
13th
49th
concept of earthing and various types of earthing Study of construction and working of a
(ii) servo motor 50
th applications of MCBs and ELCBs
51st Unit 9 Basic Electronics
52nd
Basic idea of semiconductors – P and N type
14th
53rd
diodes, zener diodes and their applications REVISION OF PRACTICALS
54th
transistor – PNP and NPN
55th
their characteristics and uses.
56th
Characteristics and applications of a thyristor
15th
57th
characteristics and applications of stepper motors
VIVA-VOCE 58th
servo motors in process control.
59th
REVISION OF SYLLABUS
60th
SESSIONAL TEST –III
Lesson Plan
Name of the faculty : GHANSHYAM
Discipline : Mechanical Engineering
Semester : 5th
Subject : CNC Machines and Automation
Lesson Plan Duration : 15 weeks (July-18 to Nov-18)
Work Load : (L/P) (3 Periods/ 2 periods) /Week
Theory Practical
Week Lecture
Day
Topics Topics
1st 1
st Unit 1 Introduction- Introduction to NC their
advantages, disadvantages and applications.
Study of constructional detail
of CNC lathe.
2nd
Introduction to CNC their advantages, disadvantages and
applications.
3rd
Introduction to DNC their advantages, disadvantages and
applications.
2nd
4th
Basic components of CNC machines, MCU. Study of constructional detail
of CNC lathe. 5th
Input devices, selection of components to be machined
on CNC machines.
6th
Axis identification.
3rd
7th
Unit 2 Construction and Tooling- Design features,
specification of CNC machines
Study of constructional detail
of CNC milling machine.
8th
Use of slideways, balls, rollers and coatings, motor and
leadscrew,
9th
Swarf removal, safety and guarding devices
4th
10th
Various cutting tools for CNC machines, Study of constructional detail
of CNC milling machine. 11th
Concept of CNC tool holder,
12th
Different pallet systems and automatic tool changer
system
5th
13th
Management of a tool room Study the constructional
details and working of
Automatic tool changer 14
th Unit 3 System Devices- Control System;
15th
Open Loop and Closed Loop System
6th
16th
Concept of Actuators Study the constructional
details and working of
Multiple pallets 17
th SESSIONAL I
18th
Transducers and Sensors
7th
19th
Tachometer Develop a part programme for
following lathe operations and
make the job on CNC lathe. -
Plain turning and facing
operation
20th
LVDT
21st Opto-interrupters
8th
22nd
Potentiometers for linear and angular position, Develop a part programme for
following lathe operations and
make the job on CNC lathe
Taper turning operation -
Circular interpolation.
23rd
Encoder
24th
Decoder & axis drives
9th
25th
Unit 4 Part Programming- Introduction to Part
programming
Develop a part programme for
the following milling
operation and make the job on
CNC milling - Plain milling -
Slot milling
26th
Basic concepts of part programming
27th
NC words, part programming formats
10th
28th
Simple programming for rational components Develop a part programme for
the following milling
operation and make the job on
CNC milling Contouring
29th
Part programming using conned cycles,
30th
Subroutines and do loops, tool off sets
11th
31st Cutter radius compensation Develop a part programme for
the following milling
operation and make the job on
CNC milling Pocket milling
32nd
Tool wear compensation
33rd
SESSIONAL II
12th
34th
Unit 5 Problems in CNC Machines- Common problems
in CNC machines related to mechanical, electrical
components
Preparation of work
instructions for machine
operator
35th
Common problems in CNC machines related to
pneumatic, electronic components
36th
Study of common problems and remedies
13th
37th
Use of on-time fault finding diagnosis tools in CNC
machines.
Preparation of preventive
maintenance schedule for
CNC machine 38th
Unit 6 Automation and NC system- Concept of
automation, emerging trends in automation
39th
Automatic assembly, components of Automation &
Types.
14th
40th
Overview of FMS, Demonstration through
industrial visit for awareness
of actual working of FMS in
production
41st Group technology, CAD/CAM and CIM.
42nd
Unit 7 Robot Technology- Introduction to robot
technology
15th
43rd
Basic robot motion VIVA-VOCE
44th
Robot applications
45th
SESSIONAL III
Lesson Plan
Name of the faculty : PAWAN BALODA
Discipline : Mechanical Engineering
Semester : 5th
Subject : Environmental Education
Lesson Plan Duration: 15 weeks (July-18 to Nov-18)
Work Load : (3 Periods/Week)
Theory
Week Lecture
Day
Topics
1st
1st 1. Definition and Scope of Environmental Education
2nd
Importance of Environmental Education
3rd
2. Basics of ecology, biodiversity
2nd
4th
Eco system
5th
Sustainable development
6th
3. Sources of pollution - natural and manmade
3rd
7th
Causes, effects of air pollution
8
th Control measures of air pollution
9th
Causes, effects of noise pollution
4th
10th
Control measures of noise pollution
11th
Causes, effects of soil pollution
poll 12th
Control measures of soil pollution
5th
13th
Causes, effects of radioactive pollution
poll 14th
Control measures of radioactive pollution
15th
Causes, effects of nuclear pollution
poll 6th
16th
Control measures of nuclear pollution
17th
Units of measurement of pollution
18th
4. Solid waste management- Causes and effects of urban waste
7th
19th
SESSIONAL I
20th
Control measures of urban waste
21th
Causes and effects of industrial waste
8th
22nd
Control measures of industrial waste
23rd
5. Mining and deforestation – Causes, effects of mining
24th
Control measures of mining
9th
25th
Causes, effects of deforestation
26th
Control measures of deforestation
27th
6. Environmental Legislation - Water (prevention and control of pollution)
Act 1974
10th
28th
Air (Prevention and Control of Pollution) Act 1981
29th
Environmental Protection Act 1986
30th
Role and Function of State Pollution Control Board
11th
31st Environmental Impact Assessment (EIA)
32nd
SESSIONAL II
33rd
7. Role of Non-conventional Energy Resources Solar Energy
12th
34th
Wind Energy
35th
Bio Energy
36th
Hydro Energy
13th
37th
8. Current Issues in Environmental Pollution – Global Warming, Green
House Effect
38th
Depletion of Ozone Layer, Recycling of Material
39th
Environmental Ethics
14th
40th
Rain Water Harvesting
41th
Maintenance of Groundwater
42nd
Acid Rain
15th
43th
Carbon Credits
44th
Revision
45th
SESSIONAL III
LESSON PLAN
NAME OF FACULTY : GHANSHYAM
DISCIPLINE : MECHANICAL ENGINEERING
SEMESTER : Vth
SUBJECT : EMPLOYABILITY SKILLS –I
LESSON PLAN DURATION: 15 WEEKS
WORK LOAD (LECTURE/PRACTICAL) PER WEEK : (2 Practical’s)
WEEK PRACTICAL
PRACTICAL DAY
TOPIC
1st 1 1. Writing skills Official and business correspondence
2nd 2 Job application - covering letter and resume (Cont.)
3rd 3 Job application - covering letter and resume.
4th 4 Report writing - key features and kinds.
5th 5 2. Oral Communication Skills Giving advice
6th 6 Making comparisons
7th 7 Agreeing and disagreeing
8th 8 Taking turns in conversation
9th 9 Fixing and cancelling appointments (Cont.)
10th 10 Fixing and cancelling appointments
11th 11 3. Generic Skills Stress management
12th 12 Time management
13th 13 Negotiations and conflict resolution
14th 14 Team work and leadership qualities
15th 15 Viva voce and evaluation
LESSON PLAN
NAME OF FACULTY : SUBHASH BHORIA/PAWAN BALODA
DISCIPLINE : MECHANICAL ENGINEERING - G.P.HISAR
SEMESTER : III
SUBJECT : MECHANICAL ENGINEERING DRAWING
LESSON PLAN DURATION: 15 WEEKS
WORK LOAD (LECTURE/PRACTICAL) PER WEEK : (6 PRACTICAL)
WEEK
PRACTICAL
LECTURE NO.
TOPIC
1st
1
UNIT 1:- Limit, fits and tolerance Need of limit, fits and tolerance, Maximum limit of size, minimum limit of size, tolerance, allowance, deviation, upper deviation, lower deviation, fundamental deviation
2
Clearance, maximum clearance, minimum clearance. Fits – clearance fit, interference fit and transition fit. Hole basis system, shaft basis system, tolerance grades
2
nd
3
Calculating values of clearance, interference, hole tolerance, shaft tolerance with given basic size for common assemblies like H7/g6, H7/m6, H8/p6. Basic terminology and symbols of geometrical dimensioning and tolerances (01 Sheets)
4 UNIT 2:- Drawing of the following with complete dimensions, tolerances, bill
of material and surface finish representation
2.1 Universal coupling and Oldham coupling (Assembly) (01 Sheets)
plant(Cont.). 50th Unit 7 Air-Conditioner Study of window air-
conditioning (Cont.)
51st Study of window air-conditioning
52nd Split type air conditioning (Cont.)
14th 53rd Split type air conditioning 8th
Visit to an ice plant, cold storage
plant, central air conditioning plant. 54th Concept of central air condition (Cont.)
55th Concept of central air condition
56th Automobile air-conditioning (Cont.)
15th 57th Automobile air-conditioning VIVA- VOCE 58th Revision of Syllabus
59th Revision of Syllabus
60th SESSIONAL III
Lesson Plan
Name of the faculty : VIJENDER GILL
Discipline : Mechanical Engineering
Semester : 5th
Subject : Theory of Machines
Lesson Plan Duration: 15 weeks (July-18 to Nov-18)
Work Load : (3 Periods/Week)
Theory Week Lecture Day Topics
1st 1
st Unit 1Simple Mechanisms Introduction to link
2nd
kinematic pair
3rd
lower and higher pair,
4th
Kinematic chain,
2nd
5th
Mechanism
6th
Inversions of mechanism
7th
Different types of mechanisms
8th
Degree of Freedom
3rd
9th
Unit 2 Power Transmission Introduction to Belt and Rope drives
10th
Types of belt drives and types of pulleys
11th
Concept of velocity ratio, slip and creep;
12th
crowning of pulleys
4th
13th
Flat and V belt drive: Ratio of driving tensions,
14th
power transmitted,
15th
centrifugal tension and condition for maximum horse power
16th
Different types of chains and their terminology
5th
17th
Gear terminology
18th
types of gears and their applications;
19th
simple and compound gear train
20th
power transmitted by simple spur gear
6th
21st SESSIONAL I
22nd
Unit 3 Flywheel Principle and applications of flywheel
23rd
Turning - moment diagram of flywheel for different engines
24th
Fluctuation of speed
7th
25th
fluctuation of energy
26th
Coefficient of fluctuation of speed
27th
coefficient of fluctuation of energy
28th
Simple numerical problems on fluctuation of speed
8th
29th
Simple numerical problems on fluctuation of energy
30th
Unit 4 Governor Principal of governor
31st Simple description and working of Watt governor
32nd
Simple description and working of Porter governor
9th
33rd
Simple description and working of Hartnel governor
34th
Simple numerical based on watt governor
35th
Hunting of governor
36th
Isochronisms of governor
10th
37th
Stability, sensitiveness of a governor
38th
Simple numerical on governor
39th
SESSIONAL II
40th
Unit 5 Balancing Introduction to Balancing
11th
41st Concept of balancing
42nd
Introduction to balancing of rotating masses
43rd
simple numerical on rotating masses
44th
simple numerical on rotating masses on same plane
12th
45th
Simple problems related to several masses on same plane
46th
several masses rotating in different planes
47th
problems related to several masses rotating in different planes
48th
Revision of Balancing
13th
49th
Unit 6Vibrations Concept of vibrations
50th
Types of vibrations
51st longitudinal, transverse vibrations
52nd
torsional vibrations
14th
53rd
simple numerical on vibrations
54th
Damping of vibrations
55th
Causes of vibrations in machines
56th
harmful effects of vibrations
15th
57th
Remedies of vibrations
58th
Simple numerical on vibrations on longitudinal, transverse vibrations.
59th
Simple numerical on torsional vibrations.
60th
SESSIONAL III
Lesson Plan
Name of the faculty : Lalit Kumar
Discipline : Mechanical Engineering
Semester : 5th
Subject : WT III
Lesson Plan Duration: 15 weeks (July-18 to Nov-18)
Work Load : (3 Periods/Week)
Theory Week Lecture Day Topics
1st
1st UNIT 1 Milling- Specification and working principle of milling machine
2nd
Classification, brief description and applications of milling machines
3rd
Details of column and knee type milling machine, Milling machine access.
2nd
4th
Arbors, adaptors, collets, vices, circular table, indexing head and tail stock
5th
vertical milling attachment, rotary table. Milling methods - up milling and down milling. Identification of different milling cutters and work mandrels
6th
Milling operations – face milling, angular milling, form milling etc
3rd
7th
Milling operations – face milling, angular milling, form milling, straddle milling and gang milling.
8th
Cutting speed and feed, simple numerical problems. Thread milling
9th
Cutting parameters, indexing methods
4th
10th
Direct, plain simple, compound, differtial and angular indexing.
11th
Unit -2 Grinding Purpose of grinding
12th
Various elements of grinding wheel – Abrasive, Grade, structure, Bond
5th
13th
Common wheel shapes and types of wheel – built up wheels, mounted wheels and diamond wheels. Specification of grinding wheels as per BIS.
14th
Truing, dressing, balancing and mounting of wheel.
15th
Grinding methods – Surface grinding, cylindrical grinding and centreless grinding.
9 1.3 ARC WELDING Principle of operation, Arc welding machines and equipment.
10 A.C. and D.C. arc welding, Effect of polarity, current regulation and voltage regulation
11 Electrodes: Classification, B.I.S. specification and selection, Flux for arc welding. Requirements of pre heating, post heating of electrodes and work piece 12 Welding defects and their testing methods.
4th
13 1.4 OTHER WELDING PROCESSES Resistance welding: Principle, advantages, limitations, working and applications of spot welding seam welding, projection welding and percussion welding
14 Atomic hydrogen welding, Shielded metal arc welding
22 UNIT 2 FOUNDARY TECHNIQUES 2.1 PATTERN MAKING Types of pattern, Pattern material, Pattern allowances
23 Pattern codes as per B.I.S., Introduction to cores, core boxes and core materials
24 Core making procedure, Core prints, positioning of cores
7th
25 2.2 MOULDING AND CASTING 2.2.1 MOULDING SAND Properties of moulding sand, their impact and control of properties viz. permeability, refractoriness, adhesiveness, cohesiveness, strength, flow ability, collapsibility
26 Various types of moulding sand
27 Testing of moulding sand. Safety precautions in foundry
28 2.2.2 MOULD MAKING Types of moulds, Step involved in making a mould, Molding boxes, hand tools used for mould making