DRAWING, DESIGN & ESTIMATING - Techbihar · 15 Bush pin type flexible coupling. ... Puller for...

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DRAWING, DESIGN & ESTIMATING

Subject Code02306 Theory

No. of Periodsin one session

150No. of Periods

per week Full Marks : 100L T P/S Annual Exam. : 806 0 0 Internal Exam. : 20

Rationale :

This course is aimed at further reinforcing and enhance the knowledge and

skills acquired in the earlier courses. The exercise included in the course would

provide the students such experiences which they would encounter in their

professional career. The day to day functions carried out in the design & drawing

department of an industry are multifarious. Some of their functions are planning,

sketching, deciding specifications, determining design factors and providing

dimensions.

Objective:

1. Students will be able to select suitable material for a component.

2. They will be able to provide proper shape while designing a component to suit

the working and to be beautiful to look at.

3. They will be able to design a components such that the component will be

strong enough as well as economical.

4. They will be able to sketch free hand the assembly of the components

designed.

5. They will be able to prepare bill of material for the components designed.

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6. They will be able to prepare an estimate for the materials for component

designed.

7. They will be able to estimate for the materials required in manufacturing of

the components.

8. They will be able to select a suitable alternative/substitute material for the

component designed and estimate for the quantity of material.

S.No. Topics Periods

Topic A : Draw any Three of the following : (15 03 = 45 )

01 Ball & Roller Bearing.

02 Automisers.

03 Carburetor.

04 Spark Plug.

05 Rotary Gear Pump.

06 Gears in mesh/ Spur Gears/Bevel Gears/Worm and

Worm Wheel.

Topic B : Design any Six of the following : (09 06 = 54 )

07 Connecting rod of an I. C. Engine.

08 Piston rod of an I. C. Engine.

09 Valves.

10 Cylinder.

11 Clutches.

12 Brakes.

13 Screw Jack.

14 Protected type flange coupling.

15 Bush pin type flexible coupling.

16 Carriage Spring.

17 Close Coiled Helical Spring.

18 Cam Profile.

Topic C : Give free hand sketches of the components designed.

Also give bill of materials.

(06 06 = 36 )

3

Topic D : Estimate for the materials for any one of the

components designed. Estimate also for the substitute

material for any one.

(15 )

Total : (150)

SCHEME OF EXAMINATION FOR FINAL EXAMINATION F.M. : 80

Types of Questions DISTRIBUTION OF MARKS Total MarksTestKnowledge

Test Skill Test Attitude& Application

Objective type 10 05 05 20 (25 %)Short Answer type 05 10 05 20 (25 %)Long Answer type 20 10 10 40 (50 %)Total Marks 35 25 20 80

The above table refers to the annual examinations only.

1

Garage Practice



50No. of Periods


Rationale :

While introducing the subject, importance has been given to the idea which

creates awareness among student for self employment in the practice of automobile

repairs and maintenance. Students are expected to achieve a degree of proficiency in

automobile repairs, maintenance and garage management. To work as workshop

supervisor or floor supervisor in production shop of automobile industries, a sound

knowledge of repair & maintenance with the effective garage management is a must.

Objective:

Student are expected to understand and explain the mechanism and principle

of repair and maintenance for Engine, Gear Box, Front Axle, Rear Axle,

Clutch System, Fuel System, Cooling System and Lubrication System,

Electrical System and exhaust gas system in automobile vehicle.

To know use of Garage equipments hand tools, machine tools and special

tools for their better development.

To develop as 1st line supervisor in automobile industries. Understand the

function of Front man/Foreman and Supervisor.

To understand the man, machine, method and their function and control.

Able to impart training to worker and motivate them better productivity.

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Able to implement the safety measures in workshop floor. To know the

safety rules and safety equipments.

Able to improve productivity by proper man power planning (monthly &

weekly) and monthly report for receipt and expenditure prepare. Able to

Project Report.

Able to explain the different act related to automobile industries, workshop

M. V. I. Act, Insurance Policy Act, and Pollution Control Act.


01 Introduction. (04)

02 Specification of Garage Tools. (05)

03 Service Equipment and their applications. (05)

04 Maintenance, Types and Uses. (06)

05 Auto Workshop / Garage Management. (06)

06 Denting and Painting of Vehicle. (06)

07 Performance of Testing Equipment. (08)

08 Engine Reconditioning. (06)

09 Safety. (04)

Total : (50)

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CONTENTS:

TOPIC: 01 – INTRODUCTION:

[04]

01.01 Introduction of motor vehicle and its repairs.

01.02 Lay out of Garage and Garage Equipments.

TOPIC: 02 – SPECIFICATION AND GARAGE TOOLS: [05]

02.01 Specifications and safe use of Garage Tools, Machine tools

and tools used for Auto repair shops. Drilling machine,

Grinding machine, Boring machine, Lapping and Honing

machine, Puller for bearing, Stud extractor, Torque Wrench,

Piston Ring expander, valve lifter.

02.02 Application of measuring and testing instruments, their

specification, Dial indicator, Magnetic dial gauge, cylindrical

bore gauge, Micro meter, Vernier, Calliper, pressure gauge,

Oil pressure gauge, Air pressure gauge, Spark plug tester,

Tyre inflator gauge.

TOPIC: 03 – SERVICE EQUIPMENT AND THEIR APPLICATIONS: [05]

03.01 Air Compressor, Car Washer, Car Ramp, Car lift, Generator,

Hot & Cold Water Washer, Grease guns, types, their

applications, Maintenance of the equipmentS.

03.02 Lift and Hoist, Types, their application, Necessity of Lift in

workshop, Operation and maintenance of lift and hoist.

03.03 Battery charger, Cell Tester, Hydrometer, Voltage, Current

and Resistance measuring instrument (AVO meter Muti-

meter) and rpm meter, Ignition timing Tester, Scanners and

their applications.

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03.04 Repair of electrical parts, Dynamo / Alternator, Starter motor,

Wiper motor, Power Window, Remote operated doors and

ignition.

TOPIC: 04 – MAINTENANCE, TYPES AND USES: [06]

04.01 Preventive maintenance, Its necessity, Service Schedule,

Service Chart, Breakdown Services.

04.02 Flow diagram of lubrication system, feed line and cooling

system, Maintenance of different types of brakes viz

mechanical, Hydraulic brake, Air Assisted brakes.

04.03 Engine Tuning, Testing of Missing Cylinder, measurement of

Compression pressure in a cylinder.

04.04 Trouble Shooting:

Engine poor pickup, Engine missing, loss of power, clutch

slipage, Clutch pedal adjustment, Brake / hand brake

adjustment, Wheel alignment, Wheel balancing suspension

overhand.

TOPIC: 05 – AUTO WORKSHOP / GARAGE MANAGEMENT: [06]

05.01 Responsibilities of Works Manager, Service advisors, service

supervisor, Front man Floor supervisor.

05.02 Receiving customer’s Vehicle trial, assessment of work and

preparation of estimate, Distribution or allocation of work,

Final inspection and trial of vehicle, Delivery of vehicles.

05.03 Customer care Manager, Duty & Responsibility, Customer

satisfaction Index.

05.04 Follow up of Repaired vehicles for any problem left, next

service due, service render letter and calls.

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TOPIC: 06 – DENTING AND PAINTING OF VEHICLE: [06]

06.01 Preparation of Estimate.

06.02 Sheet metal work, Repair of damaged portion of body by

special tools, Processes of heating, denting, welding,

formation of sheet metal.

06.03 Application of equipments for denting, Gas welding machine,

Chasis straightening equipment.

06.04 Preparation for painting job, Types of painting and types of

paints, paint mixing plant.

06.05 Description and applications of Painting Booth, Painting Gun.

Description of Spray Painting, Air Drying Paint, Polishing

and Coating for anti scratch and anti-rusting.

06.06 Repair of Upholstery, Roof lining Repairs, Carpeting and Air

dry cleaner for Car.

TOPIC: 07 – PERFORMANCE OF TESTING EQUIPMENT: [08]

07.01 Application of Wheel Balancing Machine, Wheel Alignment

machine for checking camber, caster angle and toe-in, toe out.

07.02 Description and application of Exhaust Gas Analyser.

Checking of Bharat Stage I, Stage II, Stage III standard.

TOPIC: 08 – ENGINE RECONDITIONING: [06]

08.01 Dis-mantling of engine, cleaning of engine parts, inspection

and assessment of defective parts, measurement of cylinder

bore, crank shaft, connecting Rod and cam shaft. Cylinder

Reboring, honing, Repair of valve seat, valve grinding, crank

shaft, journal grinding, cam shaft grinding, checking line re-

boring, crack detection on cylinder head, crank shaft and any

other engine component. Assembly of Engine and Engine

testing.

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TOPIC: 09 – SAFETY: [04]

09.01 Need of safety in Garages / workshops, safety equipments,

Fire extinguisher.

09.02 Good house keeping.

Teaching Aid:

1. Lubrication chart.

2. Brake application chart

3. Fuel line & Cooling line chart.

4. Overhead transparency.

5. Cut-section of Engine Assembly.

6. Few topics to be discussed by Guest lectures from

field.

Books Recommended:

1. Automobile Engineering - G. B. S. Narang

Reference Books :

1. Automobile Vehicle - Newton and Steed






1

Management of Transport Organisation



50No. of Periods


Rationale & Objective:

The knowledge of this subject is required for all automobile engineering

technicians but it becomes more important for those who intends to choose

enterpreneurship and management of transport organisation as their profession

and adopt modern management for the supervision at the shop floor.


01 Route Survey. (06)

02 Bus & Truck Fleet Operation. (05)

03 Fare Structure. (06)

04 Purchase of vehicles & spares. (06)

05 Stores Management For Spare Parts & Consumable Materials. (08)

06 Material Handling. (05)

07 Safety Management. (07)

08 Legal Aspect of Motor Transport. (07)

Total : (50)

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CONTENTS:

TOPIC: 01 – ROUTE SURVEY: [06]

01.01 Survey for operating new route-data required for route survey.

01.02 Important factors to be considered while selecting a route.

01.03 Ascertaining viability of a route.

TOPIC: 02 – BUS & TRUCK FLEET OPERATION: [05]

02.01 Estimating the passengers and goods available for transport

per annum in route.

02.02 Survey of the vehicles already plying in a route and selection

of suitable number of vehicles for a given route.

TOPIC: 03 – FARE STRUCTURE: [06]

03.01 Calculation of vehicle running expenses per kilometer.

Calculation of overhead expenses, cost of repair and

maintenance, fixing fare of a destination after adding margin

of project. Total expenses. Compare the rate with rate of other

companies/organisation.

TOPIC: 04 – PURCHASE OF VEHICLES & SPARES: [06]

04.01 Procedure of purchase, hire purchase through commercial

Banks and other financers.

04.02 Purchase of spare parts and consumable materials required for

repair and maintenance of vehicles.

04.03 Provision of facilities for repair and maintenance.

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TOPIC: 05 –STORES MANAGEMENT FOR SPARE PARTS &

CONSUMABLE MATERIALS:

[08]

05.01 Introduction.

05.02 Good Stores keeping / Functions of store’s management.

05.03 Economic Lot Size and Re-order Level Point.

05.04 Description of A. B. C. analysis.

TOPIC: 06 – MATERIAL HANDLING: [05]

06.01 Material handling equipments in the repair shop / workshop.

06.02 Mode of transport-Trolley, Crane, Chain pulley, Battery

trolley, Tools trolley.

TOPIC: 07 – SAFETY MANAGEMENT: [07]

07.01 Good house keeping, Spotting the places of hazards.

07.02 Calculation of cost of accidents.

07.03 Provision of P. P. E. (Personal Protective Equipments).

07.04 Safety slogans- Banners and Posters, safety classes for

training.

07.05 Celebration of safety week, Safety month, safety awards for

inculcating safety habits.

TOPIC: 08 – LEGAL ASPECT OF MOTOR TRANSPORT: [07]

08.01 Professional engineers, vehicle testing and certification,

driving competence test, driving methods, driving rules,

safety sign and signals, road signals.

08.02 Motor transport Act 1961 and 1989.

08.03 Provision of Vehicle Insurance Act.

08.03.01 Insurance of vehicles, passengers / goods.

08.03.02 Methods of insurance.

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08.03.03 Method of making claims against fire of vehicles / goods.

08.03.04 Method of making claims in case of accident / damage of

vehicles, passengers and third parties.

Books Recommended:

1. Organisation & Management - Banga & Sharma.

2. Industrial Engg & Management, Dhanpat Rai &

Sons

- Dr. O. P. Khanna.

3. Industrial Management, S. Chand & Co. - H. T. Garg.

4. Industrial Engineering - Saxena.

5. Maintenance Management. - I. S. T. E., Mysore.






1

Automobile Engineering-III



50No. of Periods


Rationale :

The transmission system and chassis and body form very important constituents

in the performance of automobile vehicles and at the same time comfort of the

passengers. A detailed study of the constituents of the above mentioned system of an

automobile is the purpose of this paper.

Objective:

The students will be able to understand and explain the construction and working

of all the constituents of automobile chassis and body and transmission system such as

clutch, gearbox, propeller shaft, universal joint, different rear axle, final drive, wheels,

frames, suspension system. Shock absorber, front axle, steering, brake.


01 Chasis. (03)

02 Suspension System. (03)

03 Front Axle and Steering. (04)

04 Wheels and Tyres. (02)

05 Brakes. (06)

06 Transmission System. (06)

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07 Clutch. (04)

08 Gear Box. (06)

09 Propeller Shaft. (02)

10 Final Drive and Rear Axle. (06)

11 Body. (04)

12 Performance Test of Vehicle. (04)

Total : (50)

CONTENTS:

TOPIC: 01 – CHASIS: [03]

01.01 Introduction, function.

01.02 Types, frame and frameless, subframes.

01.03 Loads on frames, frame construction, material for frame,

possible defects in frames and remedies.

TOPIC: 02 – SUSPENSION SYSTEM: [03]

02.01 Introduction, Objectives.

02.02 Basic considerations, vertical vibrations and pitching, rolling,

Unsprung weight.

02.03 Types of suspension springs. Leaf spring and its kinds.

Tapered leaf spring. Coil spring, compression spring.

02.04 Independent suspension-types.

02.05 Shock absorber’s function, Telescopic type.

TOPIC: 03 – FRONT AXLE AND STEERING: [04]

03.01 Stub axle, front wheel assembly, wheel alignment, toe-in and

toe-out. Wheels balancing.

03.02 Steering geometry, king pin and its inclination, camber,

caster, effects of caster, Ackerman mechanism.

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TOPIC: 04 – WHEELS AND TYRES: [02]

04.01 Wheels function and requirement.

04.02 Types of wheel tyres, desirable properties, inflation of tyre,

Tubeless tyre.

04.03 Description of tubes, material, valve pin, air pressure.

TOPIC: 05 – BRAKES: [06]

05.01 Need, function.

05.02 Types of brakes, mechanical brakes, detailed description.

05.03 Hydraulic brake, detailed description, Master cylinder, brake

fluid, brake drum shoes and lining, Bleeding of brakes, Disc

brake and brake shoe with drum.

05.04 Vacuum and air assisted brakes description.

TOPIC: 06 – TRANSMISSION SYSTEM: [06]

06.01 Introduction, power transmission from fly wheel to wheels.

TOPIC: 07 – CLUTCH: [04]

07.01 Introduction and need of clutch.

07.02 Types of clutch, single plate and multiple plate clutches. Dry

and wet clutches. Description with construction details,

Clutch adjustment, Electromagnetic clutch, hydraulic clutch,

their working principle. Probable defects, their causes and

remedies.

07.03 Material for clutch and clutch lining.

4

TOPIC: 08 – GEAR BOX: [06]

08.01 Gear Box- function. Loads on automobile vehicles, air

resistance, frictional resistance and gradient resistance, total

torque requirement and need of gear system.

08.02 Type of gear box-Sliding mesh, constant mesh, synchromesh,

epicyclic gear box. Automatic gear change on different speed

and load conditions.

TOPIC: 09 – PROPELLER SHAFT: [02]

09.01 Function of propeller shaft. Types of propeller shaft.

Constructional details.

09.02 Universal joint- function and construction.

09.03 Differential- Introduction, function, need.

09.04 Differential operating principle, line diagram.

TOPIC: 10 – FINAL DRIVE AND REAR AXLE: [06]

10.01 Final drive- introduction, function, types of final drive, bevel

gear type, worm and worm wheel type, hypoid type.

10.02 Rear axle- Introduction, function.

10.03 Plain, semi-floating, three quarter floating, fully floating axle.

Axle casing.

TOPIC: 11 – BODY: [04]

11.01 Types of body, constructional details.

11.02 Material used.

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TOPIC: 12 – PERFORMANCE TEST OF VEHICLE: [04]

12.01 Analysis of exhaust gases. Certification of Bharat Stage I,

Bharat Stage II & Bharat Satage III.

Books Recommended:

1. Automobile Engineering(English) - G. B. S. Narang.

2. Automobile Engineering(Hindi) - Dr. Kripal Singh.

3. Automobile Engineering(English) - R. P. Sharma.

4. Automoe Engineering(English) - J. Heitner.

5. The Automobile (English) - Reyat Harbansh Singh.

6. Automobile Engineering [Vol. I & II] (English) - K. Prasad.

7. Automotive Mechanics Principles & Practice

(English)

- J. Heitner.

Reference Books :

1. Automobile Vehicles - Newton & Stead.






1

Heavy Earthmovers (Elective)

Subject Code02310C Theory


60No. of Periods


Rationale :

The extensive use of heavy earthmoving machinery in construction of dams,

tunnels, roads and in coal and mineral mines calls for an indepth study of the subject.

The students of 3 years diploma in automobile engineering must know the working

principle, function of working parts and maintenance schedule of the heavy

earthmovers in order to harness the optimum utility from these machineries. The

study and knowledge required about the heavy earthmoving imaginaries will go a

long way to serve the industry/organisation better where the automobile technicians

are employed.

Objective:

1. Understand the working principle and function aspect of the various component

parts.

2. Differentiate similarities and dissimilarity between the heavy earthmovers and the

common automobile passenger and load carrying vehicles.

2


01 Introduction. (04)

02 Excavators. (06)

03 Dragline. (05)

04 Dumpers. (04)

05 Graders. (06)

06 Dozers. (04)

07 Loaders. (05)

08 Cranes. (06)

09 Rollers. (06)

10 Scrapers. (04)

11 Maintenance. (10)

Total : (60)

CONTENTS:

TOPIC: 01 – INTRODUCTION: [04]

01.01 Introduction to heavy Earthmoving Machines.

01.02 Commonly used heavy Earthmoving machines viz shovels,

Draglines, Dozers, Graders, Dumpers, Tippers, their function.

01.03 Basic difference of common automobiles such as bus, trucks,

cars, Jeeps & heavy earthmoving machines.

01.04 Types : Tyre mounted and crawler type, their description and

functions.

01.05 Primovers, Diesel Engines, Power operated Engine.

3

TOPIC: 02 – EXCAVATORS: [06]

02.01 Shovels-types, operation, functions.

02.02 Electric shovels, diesel shovels, Digging arrangements,

hydraulic and electric system. function, Turn table, Counter

weight, Hoist.

02.03 Maintenance and lubrication. Operational instructions and

safety instructions.

TOPIC: 03 – DRAGLINE: [05]

03.01 Introduction, function and uses.

03.02 Description, constructional features, fair lead, boom, buckets,

turn table.

03.03 Lubrication Maintenance.

03.04 Operational and safety instructions.

TOPIC: 04 – DUMPERS: [04]

04.01 Introduction & function.

04.02 Construction features and working.

04.03 Unloading meachanism-Hydraulic pump & its function,

Hydraulic jack, Tilting mechanism.

04.04 Side Dumping, Back dumping & bottom dumping.

04.05 Maintenance of Hydraulic pump, Ram & Tilting mechanism

and Engine.

TOPIC: 05 – GRADERS: [06]

05.01 Functions and uses.

05.02 Constructional features.

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TOPIC: 06 – DOZERS: [04]


06.02 Description of constructional features. Blades, Push Arm,

Hydraulic lift, Pitch arm mechanism tilting mechanism.

TOPIC: 07 – LOADERS: [05]

07.01 Description of constructional feature, function and uses.

TOPIC: 08 – CRANES: [06]

08.01 Description of constructional feature, function and uses.

08.02 Types : wheel and truck mounted cranes.

TOPIC: 09 – ROLLERS: [06]

09.01 Description of constructional features.


TOPIC: 10 – SCRAPERS: [04]

10.01 Function and uses.

10.02 Descriptional features, workings and applications.

TOPIC: 11 – MAINTENANCE: [10]

11.01 Reasons for emphasis on maintenance of heavy Earthmoving

machineries.

11.02 Importance of lubrication and maintenance; and lubrication

schedule.

11.03 Maintenance of Crawler claim and heavy duty tyre wheels.

11.04 Operational and safety instructions.

5

Books Recommended:

1. Earthmoving construction equipment, function andcare, M/s Khanna Publisher, New Delhi

- Sri S. Gurumukh

2. Winning Coal and Iron ore Vol. I, Printed by D. P.Mitra, E. L. M. Press, 63, Beadon Street, Calcutta

- R. T. Deshmukh &D. J. Deshmukh

Reference Books:

3. Earthmoving and Heavy Equipment, A. S. C.Publisher.

- G. D. Oberlender






Automobile Engineering Lab.

Subject Code02311 Practical


60No. of Periods


Rationale :

After acquiring theoretical knowledge in Automobile Engineering, it is expected

from the Diploma Technician to develop skill for maintenance and repair of Automobile

Engines. It is also required to test the performance of engine, fuel pump, ignition coil,

spark plug, carburetter and exhaust gas analyser; find out the properties of fuels,

viscosity of lubricants under different working condition of load, temperature etc.

Objective:

After performing experiments in Automobile Engineering Lab., the students will

be able to :

(a) Measure I. H. P. and B. H. P. of the engine at various loads and speeds.

(b) Find out the mechanical & thermal efficiency of the engine and friction losses.

(c) Find out calorific value of fuel and consumption of fuel.

(d) Find out cloud point and pour point, Flash point and fire point.

(e) Analyse the exhaust gases for different constituents.

2


01 Study of petrol engine model.

02 Study of a Diesel engine model.

03 Engine Testing-To measure I. H. P. and B. H. P. at varying loads

and speeds.

Measure mechanical and Thermal efficiency; friction losses, fuel

consumption.

04 Exhaust gas analysis-To find out the composition of exhaust gases

by Exhaust has analyser.

05 Fuel pump Calibration - To test a fuel injection pump of diesel

engine, detect & rectify the faults. Calibrate the pump by Fuel

pump calibration machine.

06 Calorific value of liquid fuel – To measure the C. V. of petrol &

diesel in a Bomb calorimeter.

07 Injector nozzle testing.

08 Ignition timing testing.

09 Testing Viscosity of lubricating oil.

10 Testing cloud point and pour point.

11 Testing flash point and fire point.

12 Testing spark plug by spark plug tester.

Total:- (60)


Automobile Workshop

Subject Code02312 Practical


120No. of Periods


Rationale :

Need of practical work in Automobile Engg. is felt to induce student to work with

their own hands. A Diploma holder in Automobile Engineering should be more practical

and able to work on the shop floor. therefore this practical subject is introduced so that

the student may develop skill for maintenance and repair. At the same time they may be

able to analyse trouble shooting. Never the less they should also make a study report for

different parts.

Objective:

After completing the course the students are expected to know the uses of various

tools & equipment used for automobile works.

To know the layout, location & function of various parts of an automobile.

Develop skill of assemblies & disassemblies of automobile elements.

Develop skill for maintenance & repair of different parts such as differential rear

axle, Breaking, Steering ignition, fuel injection & Carburation system.

Make repair schedule and reconditioning operation.

2


01 Tools and Equipment. (12)

02 Automobile Chasis. (12)

03 Dismantling of major components inspection & Assembly. (48)

04 Tyres and Tubes. (12)

05 Starting trouble in Automobiles and their rectification. (24)

06 Visit of automobile workshop. (12)

Total:- (120)

CONTENTS:

TOPIC: 01 – TOOLS AND EQUIPMENT: [12]

01.01 Introduction and demonstration of tool kits for Repair

workshop.

01.02 Introduction of workshop instruments and equipments and

their requirement.

01.03 Uses of various tools, instruments and equipments for modern

workshop.

TOPIC: 02 – AUTOMOBILE CHASIS: [12]

02.01 Study of automobile chasis with respect to its layout.

02.02 Study of various visible components with their location and

function.

TOPIC: 03 – DISMANTLING OF MAJOR COMPONENTS

INSPECTION & ASSEMBLY:

[48]

03.01 Engine Assembly (without mounting Accessories)

03.02 Clutch and Gear Box.

03.03 Universal joint and properllar shaft.

3

03.04 Differential unit.

03.05 Rear Axle.

03.06 Brake system and their components. Brake bleeding.

03.07 Steering system & front axle.

TOPIC: 04 – TYRES AND TUBES: [12]

04.01 Rotation of tyre and wheel.

04.02 Inspection of wear pattern of tyres. Rectification of related

faults.

04.03 Repair of Tyre and tubes.

TOPIC: 05 – STARTING TROUBLE IN AUTOMOBILES AND

THEIR RECTIFICATION:

[24]

05.01 Starting trouble due to feed line defects and their rectification.

05.02 Starting trouble due to electrical problem and its rectification.

TOPIC: 06 – VISIT OF AUTOMOBILE WORKSHOP: [12]

06.01 Repair of radiator.

06.02 Removing and re-fitting the rubber hoses and clamps.

06.03 Fitting and testing of thermostat valve.

06.04 Overhauling of water pump assembly.

06.05 Fitting and adjustment of fan belt.

Books Recommended:

1. Andel’s Series for Automobile Repairs -

2. Automobile Guide - Feberick E. Brickev


1

DRAWING, DESIGN & ESTIMATING

Subject Code02313 Sessional


--No. of Periods

per week Full Marks : 50L T P/S Annual Exam. : 300 0 -- Internal Exam. : 20

Rationale :

Same as that of Drawing, Design & Estimating (Theory Paper) Subject

Code No. - 02306.

Objective:


Code No. - 02306.

Contents :


Code No. - 02306.

1

Automobile Workshop



--No. of Periods

per week Full Marks : 50L T P/S Annual Exam. : 300 0 -- Internal Exam. : 20

Rationale :

Same as that of Automobile Workshop (Practical Paper) Subject Code

No. - 02312.

Objective:


No. - 02312.

Contents :


No. - 02312.

1

HEAVY EARTHMOVERS

Subject Code02316C Sessional


60No. of Periods


Rationale :

Uses of heavy earthmovers are increasing day by day in mines excavation,

material handling, lifting heavy materials, clearing roads of snowfalls, land sliding

debris, making new roads in jungle and hilly areas, removing unauthorised structures.

Thus the student of Automobile Engineering Diploma must know operation

and maintenance of the heavy earthmovers.

Objective:

After doing practical with heavy earthmovers the students will be able to :

(a) Operate each and every heavy earthmovers.

(b) Perform periodic and break-down maintenance of the heavy earthmovers.

(c) Suggest means to improve the working of heavy earth movers.

(d) Suggest appropriate use of heavy earthmovers for a problem which cannot be

tackled manually or otherwise.

2


01 Tools used for Maintenance. (12)

02 Hydraulic System. (18)

03 Clutch & Transmission. (15)

04 Visit Of Operating Site Of Machine. (15)

Total : (60)

CONTENTS:

TOPIC: 01 – TOOLS USED FOR MAINTENANCE: [12]

01.01 Identification of various tools, working stands for repair of

heavy Earthmovers.

01.02 Uses of various tools, instruments and equipments.

TOPIC: 02 – HYDRAULIC SYSTEM: [18]

02.01 To open the hydraulic system and study the function of

system.

02.02 To dismantle, Inspection and assemble the control unit.

02.03 Dismantle Piston and hydraulic pump-units and assemble

them.

TOPIC: 03 – CLUTCH & TRANSMISSION: [15]

03.01 To dismantle the clutch unit, Transmission unit; study the

function and Re-assemble them.

03.02 Study of different type of clutches.

03.03 Study the line diagram hydraulic system and short out their

possible problem.

3

TOPIC: 04 – VISIT OF OPERATING SITE OF MACHINE:

04.01 Visit of operating site of Excavator, Dumpers, CRANES,

Loader and Scraper. Prepare the Visit Report by explaining

the functions of machines.

04.02 Study the Maintenance schedule of each machine.

04.03 Study the important reconditioning and maintenance of

machines.

04.04 Prepare a Project Report for the reconditioning and

maintenance of above machines.

1

Project Work and its Presentation in Seminar



50No. of Periods

per week Full Marks : 100L T P/S Annual Exam. : 60

02 Internal Exam. : 40(in extra hours)

Rationale :

After Completing Diploma in Automobile Engineering, the technician are

poised to get a job in a factory or to start a small Auto Component production or

repairing unit and as such they should have the knowledge of preparing project report.

Secondly the industries generally face a lot of problems in their day-to-day

working and hence the technician should have ability to solve such problems.

Objective:

The student will be able to:

Make market survey together informations regarding availability of similar items

in the market and further demand of such items.

Collect information regarding availability of raw materials & skilled labours

required for the proposed industry.

Manage space, building, machines, manpower and finance required for the

proposed industries.

Calculate the required fixed capital and working capital.

Calculate the unit cost of production & selling price and to compare the price with

the selling price of such item available in the market.

2

Find out the break even point (B. E. P.) for the product.

Prepare technically feasible and economically viable scheme.

Finally prepare a project report on the basis of above mentioned data.

Explain Project Report in a Seminar.

Make amendment in Project Report on the basis of suggestion received in the

seminar.

Develop creative thinking.

Identify technical and managerial problems of industry.

Solve such problems on his own or with the help of specialists.

Design a job on the basis of Project Report.

Make the job himself or with the help of skilled worker.

CONTENTS

Topics :

(A) Prepare a detailed Project Report on any one of the following :-

01 Arc Welding.

02 Gas Welding.

03 Casting Cylinder Liner.

04 Grinding Cylinder Liner.

05 Re-boring Cylinder.

06 Grinding Cam Shaft.

07 Fabrication of leaf spring.

OR

Prepare a Project Report giving solution to a problem actually observed during visit or

inplant training.

Problem related to :-

3

01 Technical :

(i) Machine Breakdown.

(ii) Process (Identification of bottle necks if any).

(iii) Material Handling.

(iv) Plant-lay-out.

(v) Quality and input.

(vi) Any other.

02 Managerial Problems :

(i) Related to workers welfare.

(ii) Safety.

(iii) Ergonomics.

(iv) Any other.

(C) Explain the Project Report in a seminar and revise it after hearing the views of

audience (class mates, teachers and expert from field).

(D) Make one job on the basis of Project Report Prepared under (A)

1

Inplant Training and Visit to Works


No. of Periodsin one session4 weeks During

VacationNo. of Periods

per week Full Marks : 100L T P/S Annual Exam. : 60- - - Internal Exam. : 40

Rationale :

After completing the Diploma in Automobile Engineering Course, many of

the students are expected to be employed in a large automobile repair shop and a long

exposure to one such organisation becomes a dire necessity. This subject has been

included to give an opportunity to students to get a 4 weeks training in such an

organisation where they will deserve its organisation, staff structures, involve

themselves in repair and maintenance works being carried out in all the different

sections as well as stores.

Objective:

The students, after completing the training will know the following :

The general set up of a large repair and maintenance shop.

The staff structure in such an organisation.

The layout of the plant.

The work being done in each section, such as planning, repair works in Engine

shop, Chassis and Body shop, transmission shop, battery shop, component testing

shop, electrical shop, servicing and machine shop and other related sections

existing in the plant like tyre retreading shop, diesel fuel pump, calibration

machine shop, battery shop etc. and final testing of repaired vehicle.

2

CONTENTS

In Plant Training

A student is required to get training in any one of the following industries:-

S.No. Topics

01 Automobile Industry.

02 Automobile Repair Shop (Central Workshop- Raj Transport).

03 Service shop of Mahindra & Mahindra.

04 Service shop of Tata Vehicles(Heavy).

05 Service shop of Tata Vehicles(Light).

06 Service shop of Ashok Leyland (Heavy Vehicles).

07 Service shop of Two Wheelers.

08 Service shop of Three Wheelers.

NOTE :

1. Training will be deemed complete only when the training organisation will issue

certificate to the effect as well as attendance of students during the training.

2. The students will be required to prepare a detailed report of the study and training

obtained there and submit it in journal to the Automobile Engineering section of

the polytechnic along with the certificate of satisfactory completion of training

and attendance during the training.

3

Visit to Works

Visit of the following industries/Plants (any four):

Visit to car and jeep manufacturing plant.

Visit to heavy vehicles such as trucks & buses manufacturing plants.

Visit to heavy earth moving machineries manufacturing/repairing plants.

Visit Diesel Locomotive works.

Refrigeration Unit.

Steel Plant.

Engineering Industry (Heavy & medium).

The students will prepare a report of their observations during the visits to plants

and submit the journal to the Automobile Engineering section of Polytechnics.

SCHEME OF EXAMINATIONMarks DistributionInternal - 40 %Regularity - 10 %Discipline - 10 %Report - 10 %Viva - 10 %External - 60 %Report/Journal - 20 %Viva - 40 %

GOVERNMENT OF BIHAR

DEPARTMENT OF SCIENCE & TECHNOLOGY

BIHAR, PATNA

FOR

PART – III DiplomaIN

Automobile EngineeringTHREE YEARS DIPLOMA COURSE

COURSE OF STUDY

(i)

Scheme of Teaching and Examination for 3-yearsPART-III DIPLOMA in AUTOMOBILE ENGINEERING BRANCH

THEORY

Sr.No.

SUBJECTS SUBJECTCODE

TEACHINGSCHEME

EXAMINATION - SCHEME

Periodsper

Week

Periodsin one

Session(Year)

Hoursof

Exam.

TerminalExam.

(A)Marks

FinalExam.

(B)Marks

TotalMarks(A+B)

PassMarksFinal

Exam.

PassMarksin the

Subject1. Professional Studies &

Entrepreneurship00301 03 60 03 20 80 100 26 35

2. Energy Conversion-II 15302 03 60 03 20 80 100 26 353. Mechanics of Structure 15303 02 50 03 20 80 100 26 354. Manufacturing Technology-II 15304 03 60 03 20 80 100 26 355. Industrial Management 15305 02 50 03 20 80 100 26 356. Drawing, Design & Estimating 02306 06 150 04 20 80 100 26 357. Garage Practice 02307 02 50 03 20 80 100 26 358. Management Of Transport

Organisation02308 02 50 03 20 80 100 26 35

9. Automobile Engineering –III 02309 02 50 03 20 80 100 26 3510. Elective 03 60 03 20 80 100 26 35

Non- Conventional Energy Sources 15310ARefrigeration and Air-Conditioning 15310BHeavy Earth Movers 02310C

Total :- 28 1000

PRACTICAL

Sr.No.


TEACHINGSCHEME

EXAMINATION – SCHEME

Periodsper

Week

Periodsin one

Session(Year)

Hoursof

Exam.

MarksInternalExam.

(A)

MarksExternalExam.

(B)

TotalMarks(A+B)

PassMarksFinal

Exam.

PassMarksin the

Subject11. Automobile Engineering Lab. 02311 03 60 04 10 40 50 16 2012. Automobile Workshop 02312 06 120 06 10 40 50 16 20

Total :- 09 100

(ii)

SESSIONAL

Sr.No.


TEACHINGSCHEME

EXAMINATION - SCHEME

Periodsper

Week

Periodsin One

Session(Year)

Marks ofInternal

Examiner(X)

Marks ofExternal

Examiner(Y)

TotalMarks(X+Y)

PassMarksin the

Subject13. Drawing, Design & Estimating 02313 -- -- 20 30 50 2514. Automobile Workshop 02314 -- -- 20 30 50 2515. Professional Studies &

Entrepreneurship00315 02 50 20 30 50 25

16. Elective Lab. 03 60 20 30 50 25Non- Conventional Energy 15316ARefrigeration and Air-Conditioning 15316BHeavy Earth Movers 02316C

17. Project Work & Its Presentation inSeminar

02317 02 (inextra

hours)

50 40 60 100 50

18. Inplant Training & Visit to Work 02318 4 Weeks duringvacation

40 60 100 50

Total :- 05 400

Total Periods per Week 42 Total Marks = 1500

DRAWING, DESIGN & ESTIMATING - Techbihar · 15 Bush pin type flexible coupling. ... Puller for...

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