AUTOMOBILE TECHNOLOGY CLASS XII
1 2 3 4 5
S.No. Subject Periods/Week Examination Total
Theory Prac. Total Theory Prac. Marks
Marks: Hrs. Marks: Hrs.
1. Language I 7 - 7 100 3 100
2. Language II or 7 - 7 100 3 100
Mathematics (041)
3. General Foundation 4 1 5 80 3 20 3 100
Course
4. Vocational Elective Papers
I. Engg. Science 1 7 8 70 3 30 3 100
a. Engg. Drawing (0) (4) - (40) - - - -
b. Workshop (1) (3) - (30) - - - -
Technology
II. Auto Engg. 3 5 8 30 3 70 3 100
III. Auto Shop Repair 3 5 8 30 3 70 3 100
and Practice
5. Physical & Health - - 2 - - - - -
Education
Additional Subjects
I. Applied Physics 3 2 5 60 3 40 3 100
II. Civil Engg. 3 2 5 60 3 40 3 100
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GENERAL FOUNDATION COURSE
3 Hours Class XII Marks: 100
(Syllabus contents of Part I and II are same as given in Electrical Technology Page No. 25)
ELECTIVE I
ENGINEERING SCIENCE
3 Hours Class XII Marks: 70
(Syllabus contents are same as given in Electrical Technology Page No. 28)
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ELECTIVE II
AUTO ENGINEERING
3 Hours Class XII Marks : 30
Application of Four stroke, Two stroke petrol and diesel engines, Functions of various
engine components, their assembly and performance (Piston, Cylinder Head, connecting rod,
Cylinder Block, Valve Mechanism, Crankshaft, Crankshaft Bearings. 6
Effect of working of ignition system components on Engine performance
Factors affecting fuel consumption in Petrol and Diesel Engines.
1. Final drive system: 4
Function, type and working of universal joints, propeller shafts, differential and rearaxle
in context of Indian Vehicles.
2. Braking system: 5
Function and principles of braking system, classification of various brakes used in
automobiles, constructional details and working of mechanical, hydraulic, pneumatic,
air-assisted hydraulic brake, disc brakes, parking brake; bleeding of brakes; adjustment
of brakes; braking distances, speed, road conditions.
3. Front axle and steering: 5
Function, type and operational details of front axles and stub axles: Ackermann's
principles of steering, toe-in, toe-out, castor, camber, king pin inclinations, steering gears
and linkages in Indian cars, power steering.
4. Frames and suspension: 5
Frame and frameless construction, Description of suspension system. Leaf springs, coil
springs and torsion bar. Function and working of different types of shock absorbers.
5. Wheel and tyres: 5
Types of wheels / rim, constructional details etc. constructional features of different types
of tyres, Tyres specifications. Causes of tyre wear and their remedies, tyre maintenance,
Tyre retreading. Effect of air pressure in tyre-on vehicle performance.
PRACTICAL
AUTO ENGINEERING 3 Hours Marks : 70
1. Removing dents, patching, filling, solder and finishing of any vehicle-spray painting
2. Identification, function of each component and working of door lock, window actuating mechanism by dismantling and assembling.
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3. Identification, function and working of each component of differential and axle by dismantling and assembling.
4. Identification, function and working of each component of propeller shaft of car/ Truck by dismantling and assembling.
5. Bleeding of Hydraulic brakes-Adjustment of shoe clearande-brake pedal play.
6. Brake shoe lining rivetting, fitting and testing etc.
7. Identification, function of each component and working of steering assemblies of car/Truck by dismantling and assembling.
8. Wheel alignment of car, Adjustment of toe-in, castor and camber as per the manufacturer's specifications.
9. Identification, function of each component and working of suspension system-rubber bush changing.
10. Identification, function of each component and working of shock absorber.
11. Removing the wheel and rotation of tyres.
12. To remove the wheel, test the puncture tube, repair and refit after repairs.
13. Servicing of a vehicle.
14. Driving of car.
15. Driving of motor Cycle/Scooter.
16. To collect the necessary form from Regional Transport Authority and fill up the form for the following.
i) Issue of driving Licence
ii) Issue of conductor Licence.
iii) Transfer of ownership.
iv) Fitness Certificate.
v) Interstate permit.
17. Operation use and maintenance of Air compressor and types of inflation ganges.
18. Operation, use and maintenance of car washer.
19. Operation, use and maintenance of Hydraulic hoist.
20. To study the construction, working and use of spark plug testing machine, clean the given spark plug, adjust the gap, test it on the machine.
Note: Each student should perform all the experiments during the session.
(List of Experiments: same as given in syllabus from sl. No. 1 to 13.)
Marking Scheme Note: 1. Marks for sessional work will be awarded by the teacher concerned.
2. Students may be asked to perform any one experiment out of the two experiments alloted to him/her.
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Distribution of Marks,
1. Experiment 40 marks
i) Identification of Components 10
ii) Location of the Components/assembly 10
iii) Function of Components/assembly 10
iv) Working of components/assembly 10
2. Viva Voce 10 marks
i) Questions related to the expts. 3
ii) Questions related to the reaming expts 4
iii) Questions based on related concepts 3
3. Sessional Work 20 marks
i) All listed experiments performed 10
ii) Maintenance of proper record 10
pertaining to sessional & On-Job-Training.
Guidelines for Examiners (Common for Practical Paper II & III)
Examiner will evaluate the candidate as per the following guidelines:
i) Systematic approach to the problem.
ii) dismantling, assembling and replacing of components etc.
iii) Safety Precautions.
iv) Initiative taken by individual candidate.
v) Proper use of tools.
vi) Special consideration be given for skill, workmanship and finish"
vii) Records of on-job-training.
Note: each student may be alloted two experiments from the list and he/she may perform any one out of the two.
General Instructions to the Students/Candidates (Common for Practical Paper II & III)
1. It is essential for each student to complete every Practical himself and not merely watch others doing it.
2. The student should make simple line diagram of the assembly components/circuit and note the provisions for important points adjustments therein.
3. After completing the practical exercise, he must write in his Practical note book using the following heading:-
i) Title-to include objective of Practical exercise.
ii) Tools-Equipment and Materials used (if possible, with specifications)
iii) Procedure of performing the Practical including any special precautions to be taken during Dismantling or Reassembling.
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iv) Examination of Parts, noting methods of adjustments and recording reason for service ability of amount of wear
v) Conclusion-A report on the general condition of the assembly component including a list of new parts fitted/replaced or recommendation to make the component fit for further service.
vi) Safety precautions to be taken while performing the Practicals.
4. In case of any difficulty while performing the Practicals, the Examinee must approach his teacher without hesitation.
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ELECTIVE III
AUTO SHOP REPAIR & PRACTICE
3 Hours Class XII Marks: 30
Chapter I: Fault Diagonoses
General introduction, inspection of components, subassemblies and vehicles. Inspection
report, proforma. Importance of various clearance between matching parts as specified by
manufacturers. 8
Chapter-II
Repair procedures, Sub Assemblies-Water Pump, Oil Pump, Distributor, Battery current
& Voltage Regulator, Dynmo, Self starter, Tappet Setting, Valve gear Mechanism, Piston,
connecting rod & crankshaft clutch, Gear Box, U. Joints, Defferential, Final Drive, Brakes,
Steering, Suspension, Road Testing. 7
Use of Garrage Equipment:
Dwell Angle, RPM Tester, Timing light, Injector Tester, Wheel Balancer, Wheel
Alignment gange, Body fender kit & Pollution Testing Equipment. 7
Motor Vehicle Act 1983 and Rules:
Provision regarding: Issue of driving licence,registration,insurance,transfer of ownership,
fitness certificate, traffic signs, hand signals used by driver and traffic personnel. Emission
control, sources of emission, pollutants. 8
(Lectures and demonstration may be given in Auto Shop on Actual jobs)
PRACTICAL
AUTO SHOP REPAIR & PRACTICE 3 Hours Marks: 70
1. Demonstration and practice on inspection of components of Scooter-Motor Cycle-Car Truck to decide its reuse, reconditioning or replacement.
2. Servicing of window glass lifting mechanism.
3. Identification, function of each component, working and minor repairs of speedometer and traffic indicators.
4. Overhauling of propeller shaft-Universal joints. Slip joint etc.
5. Overhauling of Differential Assembly including the adjustment of backlash between crown & pinion.
6. Overhauling of rear Axle Hub mounting etc.
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7. Overhauling of front Axle Assembly.
8. Overhauling of steering gear.
9. Reconditining of steering linkages, ball joints, and steering knuckle.
10. Overhauling of master-Cylinder and wheel cylinder.
11. Bleeding of vacuum assisted hydraulic brakes. Remaining. refitting of vacuum booster- Repair and adjustments.
12. Overhauling and servicing of Air brakes.
13. Operation and use of engine analyser.
14. Reconditioning of electric Horn.
15. Overhauling of Distributor Assembly.
16-20. Driving of Car/ Scooter-development of driving skills.
21. Repairing of Jacks-Grease Guns-Oil spraying Guns.
22. Road test of Car/Scooter/Truck.
23-26. Fault diagnosis, tracing, rectification and final testing in respect of following.
a) Brakes-Hydraulic, Mechanical and Air.
b) Steering.
c) Suspension.
d) Differential.
(No. of periods for each job to be decided by teacher and job to be repeated for different vehicles.)
27. To check percentage of carbon monoxide and Hydrocarbon with the help of Exhaust gas Analysor for petrol engine.
28. To measure the smoke level, with the help of smoke meter.
LIST OF EXPERIMENTS 1. a) To demonstrate, practise and inspect different checks before starting of any vehicle such as Electrolyte level, oil levels, water levels, brakes etc. etc.
b) To identify general and special tools and their specific functions in Automobile Garage.
2. To remove, Strip and Inspect the propeller shaft, Universal Joints, slip joints, replace worn out parts and reassemble.
3. To remove, rearaxle assembly from the vehicle, strip, clean. Inspect the parts, Removing Crown wheel, Tail pinion and the bearings. Inspection of bearing and oil seals etc.
4. To check tooth contact in the crown and pinion and adjust back-lash. Assembling of fear axles and fitting rear axle assembly on vehicles and testing for noises.
5. To remove Rear Axle brake drums and adjust wheel bearing in semi floating axles. Replacing oil seals.
6. To remove rear axle brake-drums and adjust wheel bearing in fully floating axles. Replacing oil seals.