Goa Board Class 12 Question Paper 2025 Auto Servicing & Garage Management

2025 II 13 0930 Seat No.

Time : 2 Hours AUTO SERVICING AND
GARAGE MANAGEMENT
Subject Code

V 4 3 7 1

Total No. of Questions : 23 (Printed Pages : 4) Maximum Marks : 50

INSTRUCTIONS : (i) There are four sections in the question paper (A, B,
C & D) consisting of 23 questions.

(ii) In Section A there are eight questions of which Question
Nos. 1 to 4 are Multiple Choice Questions, Question
Nos. 5 & 6 are to be answered in one word, phrase and
Question Nos. 7 & 8 are to be answered in one sentence
each.

(iii) Attempt all the questions however internal choice is
given for Question Nos. 20 & 23.

(iv) Figures to the right indicate marks allotted to each
question.

(v) Write the number of each question clearly on the
answer-book.

SECTION A

1. The gauge used to measure suction pressure in I.C. Engine. 1

• Compression gauge

• Vacuum gauge

• Feeler gauge

• Level gauge

V-4371 1 P.T.O.

2. What is the purpose of fuel pressure test in a fuel system diagnosis ? 1

• To measure the temperature of the fuel

• To determine the type of fuel used

• To check if the fuel pump is working properly

• To test the colour of fuel

3. Name the instrument used to measure the strength of coolant in cooling

system : 1

• Hydrometer

• High rate discharge tester

• Compression tester

• Screw gauge

4. Greasing on a wheel bearing hub is done : 1

• To increase the heat and wear

• To make parts to wear faster

• To make difficult in turning the wheel

• To reduce the heat and wear

5. Name the measuring instrument used to measure the end play of crank

shaft. 1

6. Give a reason for trouble “Shaky propeller shaft”. 1

7. Why is it necessary to clean air filter ? 1

8. How cambering of leaf spring is carried out ? 1

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SECTION B

9. State any four causes and remedies for trouble “clutch slip while
engaged”. 2

10. Mention any four maintenance of gearbox. 2

11. Mention any four employer based factors which affect job satisfaction. 2

12. Write any four common factors storekeeper should follow, while placing orders
and buying a spare parts. 2

13. Write any four basic inventory controls in auto workshop. 2

14. Explain how to set valve clearance. 2

SECTION C

15. Explain the following test to be conducted in cooling system : 3

(1) Testing of Thermostat vale

(2) After flushing Pressure test on radiator.

16. Write the points to rectify the trouble “Excessive oil consumption”. 3

17. Explain briefly bleeding of hydraulic brake. 3

18. Write any six causes for tyre wear. 3

19. Explain briefly checking of tooth contact in between differential and bevel
pinion. 3

20. Write procedure to do following test on AC Mechanical fuel pump used in
petrol fuel system (any two) : 3

(1) Pressure test

(2) Vacuum test

(3) Volume test.

V-4371 3 P.T.O.

Or

Write procedure to do the following test on injector used in diesel fuel system
(any two) :

(1) Leak of test

(2) Pressure test

(3) Spray test.

SECTION D

21. Explain the following : 4

(1) Document required for registration of vehicle

(2) Purpose of vehicle insurance

(3) Necessity of driving licence

(4) Necessity of fitness certificate for car.

22. State any four causes and suggest remedies for the following troubles in steering
system : 4

(1) Wander/Wandering of vehicle

(2) Hard steering.

23. Mention any four causes and suggest remedies for the following engine
troubles : 4

(1) Engine does not pick up load/speed

(2) Engine runs noisy.

Or

Write in detail the procedure to conduct compression test using compression
tester in petrol engine.

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