lesson plan - government polytechnic, hisar · transmissibility of forces, law of super-position 11...

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)


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


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


velocity ratio and efficiency of worm

and worm wheel. (Group 1)


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


irregular lamina. (Group 1)


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


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


60th

SESSIONAL III

Lesson Plan

Name of the faculty : Jaibir Dhull


Semester : 3rd

Semester

Subject : BASICS OF ELECTRICAL AND ELECTRONICS ENGINEERING




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


Semester : 5th

Subject : CNC Machines and Automation

Lesson Plan Duration : 15 weeks (July-18 to Nov-18)


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



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



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


Semester : 5th

Subject : Environmental Education


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


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)

3

rd

5

2.2 Bearings 2.2.1 Bushed bearing (Assembly Drawing) (01 Sheets)

6 2.2.2 Ball Bearing and Roller Bearing (Assembled Drawing) (01 Sheets)

4th

7 2.2.3 Plummer Block (Detail and Assembly Drawing) (01 Sheets)

8 SESSIONAL TEST-I

5th

9 2.2.4 Foot step Bearing (Assembled Drawing) (01 Sheets)

10

2.3 Pulleys 2.3.1 Pulleys, Function of pulley, Types and materials of Pulley

6th

11

2.3.2 Free hand Sketch of Various types of pulleys. (01 Sheets)

12

2.3.3 Fast and loose pulley (Assembly Drawing) (01 Sheets)

7th

13

2.4 Pipe joints 2.4.1 Types of pipe Joints, Symbol and line layout of pipe lines (01 Sheets)

14

2.4.2 Expansion pipe joint (Assembly drawing) (01 Sheets)

8

th

15

2.4.3 Flanged pipe and right angled bend joint (Assembly Drawing) (01 Sheets)

16 2.5 Lathe Tool Holder (Assembly Drawing) (01 Sheets)

9th

17 2.6 Reading and interpretation of mechanical components and assembly drawings

18

2.7 Sketching practice of bearings and bracket (01 Sheets)

10

th

19 UNIT 3:- Drilling Jig (Assembly Drawing) (01 Sheets)

20 UNIT 4:- Machine vices (Assembly Drawing) (01 Sheets)

11th

21 SESSIONAL TEST-II

22

Machine vices (Assembly Drawing) (01 Sheets)

12th

23

UNIT 5:- I.C. Engine Parts Piston (01 Sheets)

24 Connecting rod (Assembly Drawing) (01 Sheets)

13

th

25 Crankshaft and flywheel (Assembly Drawing) (01 Sheets)

26 UNIT 6:- Boiler Parts Steam Stop Valve (Assembly Drawing) (01 Sheets)

14th

27

Blow off cock. (Assembly Drawing) (01

Sheets)

28

UNIT 7:- Mechanical Screw Jack (Assembled Drawing) (01 Sheets)

15th

29

UNIT 8:- Gear, Types of gears, Nomenclature of gears and conventional

representation. Draw the actual profile of involute teeth of spur gear by

different methods. (02 Sheets) 30 SESSIONAL TEST-III

Lesson Plan

Name of the faculty : JITENDER SHEORAN

SUBHASH BHORIA


Semester : 3rd

Subject : Materials and Metallurgy




Day

Topics Topics

1st 1

st Unit 1 Introduction

Material, Engineering materials, History/Timeline

of Material Origin, Scope of Material Science.

1st Classification of about 25 specimens

of materials/machine parts into

(i) Metals and non metals

(ii) Metals and alloys

(iii) Ferrous and non ferrous metals

2nd

Overview of different engineering materials and

applications, Importance, Classification of

materials.

3rd

Difference between metals and non-metals,

Physical properties of various materials.

4th

Mechanical properties of various materials.

2nd

5th

Present and future needs of materials. Classification of about 25 specimens

of materials/machine parts into

(iv)Ferrous and non ferrous alloys

6th

Various issues of Material Usage-Economical.

7th

Environment and Social Usage.

8th

Overview of Biomaterials and semi-conducting

materials.

3rd

9th

Unit 2 Crystallography

Crystalline solid and amorphous solid, Unit Cell

2nd Given a set of specimen of metals

and alloys (copper, brass, aluminum,

cast iron, identify and indicate the

various properties possessed by them.

10th

Space Lattice, Arrangement of atoms in Simple

Cubic Crystals, BCC, FCC and HCP Crystals

11th

Number of atoms per unit Cell, APF, CN

12th

Defects/Imperfections, types and effects in Solid

materials

4th

13th

Overview of deformation behavior and its

mechanisms, Elastic and Plastic deformation

Given a set of specimen of metals and

alloys HSS, Gun metal); identify and

indicate the various properties

possessed by them

14th

Behavior of material under load and stress-strain

curve. 15

th Failure Mechanisms: Overview of failure modes

16th

Fracture, fatigue and creep.

5th

17th

Unit 3Metallurgy

Introduction, Cooling curves of pure metals.

3rd

(a) Study of heat treatment furnace.

18th

solidification of metals, effect of grain size on

mechanical properties, Binary alloys 19

th Thermal equilibrium diagrams, Lever rule, Solid

Solution alloys

20th

SESSIONAL I

6th

21st Unit 4 Metals And Alloys

Ferrous Metals: Different iron ores

(b) Study of a thermocouple/pyrometer

22nd

Flow diagram for production of iron and steel,

23rd

allotropic forms of iron- Alpha, Delta, Gamma

24th

Basic process of manufacturing of pig iron and

steel-making. 7

th 25

th Cast Iron: Properties Study of heat treatment furnace

Study of a thermocouple/pyrometer 26th

Types of Cast Iron,

27th

Manufacture and uses of Cast Iron

28th

Steels: Plain carbon Steels and alloy steel,

8th

29th

Classification of plain carbon steels, 4th

Study of a metallurgical microscope

and a specimen polishing machine. 30

th Properties and application of different types of

Plain Carbon Steels 31

st Effect of various alloying elements on properties

of steel 32

nd Uses of alloy steels

9th

33rd

Uses of high speed steel, stainless steel, silicon

steel, spring steel

Study of a metallurgical microscope

34th

Non Ferrous Materials

35th

Properties and uses of Copper

36th

Aluminum and their alloys

10th

37th

Unit 5 Heat Treatment

Definition and objectives of heat treatment

5th

To prepare specimens of following

materials for microscopic examination

and to Examine the microstructure of

the specimens of i) Brass ii) Copper 38

th Iron carbon equilibrium diagram,

39th

SESSIONAL II

40th

different microstructures of iron and steel

11th

41st Formation and decomposition of Austenite,

Martensitic Transformation.

microscopic examination of iii) Cast

Iron , iv) Mild Steel v) HSS, vi)

Aluminium

42nd

Various heat treatment processes

43rd

Harden ability of Steels

44th

Types of heat treatment furnaces 12

th 45

th Measurement of temperature of furnaces. 6

th To anneal a given specimen and

find out difference in hardness as a

result of annealing

46th

Unit 6 Plastics Importance of plastics,

Classification-thermo- plastic and thermoset

47th

Plastic and their uses, Various trade names of

plastics.

48th

Plastic coatings, food grade plastics

13th

49th

Applications of plastics in automobile and

domestic use

7th

To normalize a given specimen and

to find out the difference in hardness as

a result of normalizing 50th

Rubber classification - Natural and synthetic.

Selection of rubber

51st Unit 7 Advanced Materials Heat Insulating

materials- Asbestos, glasswool, thermocole

52nd

Ceramics-Classification, properties, applications

14th

53rd

Refractory materials –Dolomite, porcelain 8th

To harden and temper a specimen

and to find out the difference in

hardness due to tempering. 54

th Glass – Soda lime, borosil. Abrasive materials

55th

Joining materials/Adhesives – Classification,

properties and applications

56th

Composites-Classification, properties,

applications 15th

57th

Materials for bearing metals VIVA- VOCE

58th

Materials for Nuclear Energy

59th

Smart materials- properties and applications

60th

SESSIONAL III

Lesson Plan

Name of the faculty : SANJAY KUMAR


Semester : 5th

Subject : Refrigeration and Air Conditioning



Theory Practical

Wee

k

Lectur

e Day

Topics Topics

1st 1st Unit 1 Fundamentals of Refrigeration

Introduction to refrigeration, and air conditioning

1st Identify various tools of

refrigeration kit and practice in cutting,

bending, flaring, swaging and brazing

of tubes (Cont.). 2nd Meaning of refrigerating effect, units

of refrigeration, COP

3rd Methods of refrigeration (Cont.)

4th Methods of refrigeration (Cont.)

2nd 5th Methods of refrigeration 1st Identify various tools of

refrigeration kit and practice in

cutting, bending, flaring, swaging

and brazing of tubes.

6th Introduction to air refrigerator working

on reversed carnot cycle

7th Unit 2 Vapour Compression System

Introduction

8th Principle, function, parts and necessity of vapour

compression system

3rd 9th T- and p– H charts

2nd

Study of thermostatic switch,

LP/HP cut out overload protector

filters, strainers and filter driers

(Cont.).

10th Dry, wet and superheated compression

11th Effect of sub cooling, super heating,

12th Mass flow rate, entropy, enthalpy, work done

4th 13th Refrigerating effect and COP

2nd



filters, strainers and filter driers. 14th Actual vapour compression system

15th Unit 3 Refrigerants Functions

16th Classification of refrigerants

5th 17th Properties of R - 717, R – 22 3rd

Identify various parts of a

refrigerator and window air conditioner

(Cont.).

18th R–134 (a) and CO2.

19th Properties of ideal refrigerant

20th SESSIONAL I 6th 21st selection of refrigerant 3

rd Identify various parts of a

refrigerator and window air

conditioner. 22nd Unit 4 Vapour Absorption System Introduction

23rd Principle and working of simple absorption

system

24th Domestic Electrolux refrigeration systems

7th 25th Solar power refrigeration system 4th

To find COP of Refrigeration

system. 26th advantages and disadvantages of solar power

refrigeration system over vapour compression

system

27th Unit 5 Refrigeration Equipment 5.1

Compressor - Function

28th Various types of compressors (Cont.)

8th 29th Various types of compressors 5th

To detect trouble/faults in a

refrigerator/window type air

conditioner (Cont.). 30th 5.2 Condenser - Function

31st Various types of condensers (Cont.)

32nd Various types of condensers

9th 33rd 5.3 Evaporator - Function 5th



conditioner. 34th Various types of evaporators (Cont.)

35th Various types of evaporators

36th 5.4 Expansion Valve - Function

10th 37th Various types such as capillary tube, thermostatic

expansion valve 6

th Charging of a refrigerator/window

type air conditioner (Cont.).

38th Low side and high side float valves

39th SESSIONAL II 40th Application of various expansion valves

11th 41st 5.5. Safety Devices-Thermostat, overload

protector 6


type air conditioner.

42nd LP, HP cut out switch

43rd Unit 6 Psychrometry Definition, importance

44th Specific humidity, relative humidity, degree of

saturation

12th 45th DBT, WBT, DPT 7th

Study of cut section of single

46th Sensible heat, latent heat cylinder compressor

47th Total enthalpy of air. Psychrometry chart

48th Various processes of psychrometry (Cont.)

13th 49th Various processes of psychrometry 8th

Visit to an ice plant, cold storage

plant, central air conditioning

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


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 : SATINDER ROHILLA


Semester : 5th

Subject : Refrigeration and Air Conditioning



Theory Practical

Wee

k

Lectur

e Day

Topics Topics

1st 1st Unit 1 Fundamentals of Refrigeration

Introduction to refrigeration, and air conditioning

1st Identify various tools of

refrigeration kit and practice in cutting,

bending, flaring, swaging and brazing

of tubes (Cont.). 2nd Meaning of refrigerating effect, units

of refrigeration, COP

3rd Methods of refrigeration (Cont.)

4th Methods of refrigeration (Cont.)

2nd 5th Methods of refrigeration 1st Identify various tools of

refrigeration kit and practice in

cutting, bending, flaring, swaging

and brazing of tubes.

6th Introduction to air refrigerator working

on reversed carnot cycle

7th Unit 2 Vapour Compression System

Introduction

8th Principle, function, parts and necessity of vapour

compression system

3rd 9th T- and p– H charts

2nd



filters, strainers and filter driers

(Cont.).

10th Dry, wet and superheated compression

11th Effect of sub cooling, super heating,

12th Mass flow rate, entropy, enthalpy, work done

4th 13th Refrigerating effect and COP

2nd



filters, strainers and filter driers. 14th Actual vapour compression system

15th Unit 3 Refrigerants Functions

16th Classification of refrigerants

5th 17th Properties of R - 717, R – 22 3rd

Identify various parts of a

refrigerator and window air conditioner

(Cont.).

18th R–134 (a) and CO2.

19th Properties of ideal refrigerant

20th SESSIONAL I 6th 21st selection of refrigerant 3

rd Identify various parts of a

refrigerator and window air

conditioner. 22nd Unit 4 Vapour Absorption System Introduction

23rd Principle and working of simple absorption

system

24th Domestic Electrolux refrigeration systems

7th 25th Solar power refrigeration system 4th

To find COP of Refrigeration

system. 26th advantages and disadvantages of solar power

refrigeration system over vapour compression

system

27th Unit 5 Refrigeration Equipment 5.1

Compressor - Function

28th Various types of compressors (Cont.)

8th 29th Various types of compressors 5th



conditioner (Cont.). 30th 5.2 Condenser - Function

31st Various types of condensers (Cont.)

32nd Various types of condensers

9th 33rd 5.3 Evaporator - Function 5th



conditioner. 34th Various types of evaporators (Cont.)

35th Various types of evaporators

36th 5.4 Expansion Valve - Function

10th 37th Various types such as capillary tube, thermostatic

expansion valve 6


type air conditioner (Cont.).

38th Low side and high side float valves

39th SESSIONAL II 40th Application of various expansion valves

11th 41st 5.5. Safety Devices-Thermostat, overload

protector 6


type air conditioner.

42nd LP, HP cut out switch

43rd Unit 6 Psychrometry Definition, importance

44th Specific humidity, relative humidity, degree of

saturation

12th 45th DBT, WBT, DPT 7th

Study of cut section of single

46th Sensible heat, latent heat cylinder compressor

47th Total enthalpy of air. Psychrometry chart

48th Various processes of psychrometry (Cont.)

13th 49th Various processes of psychrometry 8th


plant, central air conditioning

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


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


Semester : 5th

Subject : Theory of Machines



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


Semester : 5th

Subject : WT III



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.

6th

16th

SESSIONAL I

17th

Grinding machine – Cylindrical grinder, surface grinder, internal grinder, centreless grinder, tool and cutter grinder.

18th

Selection of grinding wheel

7th

19th

Thread grinding.

20th

Unit 3 Gear manufacturing and finishing operations-Introduction

21th

Gear hobbing

8th

22nd

Gear shaping

23rd

Unit 4 Modern Machining Processes- Mechanical Process - Ultrasonic mach

24th

Electro Chemical Processes - Electro Chemical Machining (ECM)

9th

25th

Electrical Discharge Machining (EDM) Introduction, basic EDM circuit

Principle, metal removing rate 26th

Laser Beam Machining (LBM) Introduction, machining process and applications

27th

Plasma Arc Machining (PAM) and welding – Introduction, principle process

and applications

10th

28th

Unit 5 Metallic Coating Processes- Metal spraying

29th

Metal spraying – Wire process

30th

SESSIONAL II

11th

31st powder coating process, applications

32nd

Unit 6 Metal Finishing Processes- Purpose of finishing surfaces

33rd

Surface roughness-Definition and units

12th

34th

Honing Process, its applications

35th

Description of hones.

36th

Brief idea of honing machines.

13th

37th

Lapping process, its applications

38th

Description of lapping compounds and tools.

39th

Brief idea of lapping machines.

14th

40th

Polishing

41th

Buffing.

6.1 Burnishing 42nd

Burnishing

15th

43th

Revision unit 1.2.3

44th

Revision unit 4.5.6

45th

SESSIONAL III

LESSON PLAN

NAME OF FACULTY : VIKAS MODI

DISCIPLINE : MECHANICAL ENGINEERING

SEMESTER : III

SUBJECT : WORKSHOP TECHNOLOGY-I


WORK LOAD (LECTURE/PRACTICAL) PER WEEK : 4 Lectures

WEEK

THEORY

LECTURE

NO.

TOPIC

1st

1 UNIT 1: Welding: 1.1 WELDING PROCESS Principle of welding, Classification of welding processes

2 Advantages and limitations of welding, Industrial applications of welding

3 Welding positions and techniques

4 Symbols, Safety precautions in welding.

2nd

5 1.2 GAS WELDING Principle of operation, Types of gas welding flames and their applications

6 Gas welding equipment - Gas welding torch, Oxygen cylinder, acetylene Cylinder

7 Cutting torch, Blow pipe, Pressure regulators, Filler rods and fluxes

8 Personal safety equipment for welding.

3rd

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

15 Submerged arc welding, Welding distortion, welding defects

16 SESSIONAL TEST -I

5th

17 Methods of controlling welding defects and inspection of welded joints.

18 1.5 MODERN WELDING METHODS Methods, Principle of operation

19 Advantages, disadvantages and applications of Tungsten inert gas (TIG) welding, Metal inert gas (MIG) welding

20 Thermit welding, Electro slag welding, Electron beam welding

6th

21 Ultrasonic welding, Laser beam welding, Robotic 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

8th 29 Molding processes: Bench molding, floor molding, pit molding and machine molding

30 Molding machines squeeze machine, jolt squeeze machine and sand slinger.

31 2.2.3 CASTING PROCESSES Charging a furnace, melting and pouring both ferrous and non ferrous metals

32 Cleaning of castings, Principle, working and applications of Die casting

9th

33 Hot chamber and cold chamber, Centrifugal casting

34 2.2.4 GATING AND RISERING SYSTEM Elements of gating system, Pouring basin, sprue, runner, gates

35 Types of risers

36 location of risers, Directional solidification

10th

37 2.2.5 MELTING FURNACES Construction and working of Pit furnace

38 Cupola furnace

39 Crucible furnace – tilting type, Electric furnace

40 2.2.6 CASTING DEFECTS Different types of casting defects

11th

41 Testing of defects: radiography, magnetic particle inspection and ultrasonic inspection

42 SESSIONAL TEST -II

43 UNIT 3 METAL FORMING PROCESSES 3.1 PRESS WORKING Types of presses, type of dies, selection of press die, die material

44 Press Operations-Shearing, piercing, trimming, punching, notching

12th

45 Shaving, gearing, embossing, stamping

46 3.2 Forging - Open die forging, closed die forging, Press forging

47 Upset forging, swaging, up setters

48 Roll forging, Cold and hot forging

13th

49 3.3 Rolling - Elementary theory of rolling, Types of rolling mills

50 Thread rolling, roll passes

51 Rolling defects and remedies

52 3.4 Extrusion and Drawing - Type of extrusion- Hot and Cold

14th

53 Direct and indirect

54 Pipe drawing, tube drawing, wire drawing

55 UNIT 4 PLASTIC PROCESSING 4.1 Industrial use of plastics and applications

56 Advantages and limitations of use of plastics

15

th

57 4.2 Injection moulding-principle, working of injection moulding machine

58 4.3 Compression moulding-principle, and working of compression moudling machine

59 Revision

60 SESSIONAL TEST -III

lesson plan - government polytechnic, hisar · transmissibility of forces, law of super-position 11...

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