Goa Board Class 12 Question Paper 2024 Automobile

2024 III 01 0930 Seat No.

Time : 1½ hrs AUTOMOBILE

Subject Code

H 4 0 7 2

Total No. of Questions : 41 (Printed Pages : 8) Maximum Marks : 40

INSTRUCTIONS : (i) Write the question number and sub-question number
clearly.

(ii) All questions are compulsory.

(iii) Figures to the right indicate full marks.

Select and write the most appropriate alternative given below each
statement and rewrite the complete statement. 1/2×6=3

1. The thought which develops a mindset to think without limit is ......................... .

• Suspicious thought

• Negative thought

• Expansive thought

• Positive thought

2. The word used to express the emotion is ......................... .

• Preposition

• Conjunction

• Adjective

• Interjection

H-4072 1 P.T.O.

3. The sentence which ends with a question mark is ......................... kind of
sentence.

• Interrogative

• Declarative

• Imperative

• Exclamatory

4. In entrepreneurial success, upgrading to latest technology is ......................... .

• Decisiveness

• Adaptability

• Initiative

• Perseverance

5. Horticulturist is the example of green job roles in ......................... .

• Water conservation

• Organic gardening

• Green tourism

• Green transportation

6. The three types of personality disorders are anxious, emotional and
......................... .

• Believable

• Confident

• Convinced

• Suspicious

H-4072 2

Answer the following questions. 2×2=4

7. State any two advantages of spreadsheets in I.C.T.

8. Mention any two roles of green jobs in support adaptation to effects of climate
change.

Answer the following in one sentence each. 1×3=3

9. Define active listening in communication skills.

10. Why the manufacturer develops service manual ?

11. What will happen if jumper wire connects across the terminals of the
battery ?

Compare the co-ordination in first pair and complete the second
pair in the choices given below. 1/2 × 2=1

12. He speaks too slowly.

Slowly : Adverb

Speaks : ......................

• Pronoun

• Adjective

• Verb

• Noun

13. Leadership and motivational skill : Organizing skill

Handle difficulties and tension : ———————

• Stress Management

• Money Management

• Social Management

• Physical Management

H-4072 3 P.T.O.

Give single term for the following definitions from the choices given
below. 1/2×2=1

14. The device used to protect the electrical equipment and circuit against the
effect of excessive current.

• Alternator

• Starter Motor

• Solenoid

• Fuse

15. The instrument may be considered as a very fast reacting voltmeter that
reads and displays voltages.

• Stethoscope

• Oscilloscope

• Tachometer

• Hydrometer

16. Match the following items in column A with correct items in
column B. 1/2 × 2 = 1

‘A’ ‘B’

(i) (a) voltmeter

(ii) (b) diode

(c) fuse

(d) battery.

H-4072 4

Answer the following questions. 2×2=4

17. Identify the components in given below diagram.

18. Write any four general precautions to be followed while handling the battery.

Answer the following questions in one line. 1×3=3

19. List any two sources of motivation.

20. List any two areas covered by service manual of an automobile.

21. Write any two types of automatic transmission.

Select and write the most appropriate alternative given below each
statement and rewrite the complete statement. 1/2×6=3

22. If oil spills on the clutch plate ......................... can be experienced while driving.

• Clutch judder

• Clutch slip

• Clutch driving

• Clutch jerk

H-4072 5 P.T.O.

23. Receiving control signal from ECM is done by ......................... part of
automobile.

• Processors

• Actuators

• Sensors

• Throttle body

24. The propeller shaft of the vehicle always runs noisy due to ......................... .

• Hollow

• Rigidity

• Bent

• Balanced

25. Oxygen sensor is mounted on ......................... .

• Intake manifold

• Exhaust manifold

• Firewall

• Cylinder head

26. Butterfly valve of throttle body is cleaned with the help of ......................... .

• Water

• Kerosene

• Grease

• Carbo cleaner

H-4072 6

27. During valve lapping ......................... paste is used.

• Abrasive

• Adhesive

• Corrosive

• Grease

Answer the following questions. 2×2=4

28. Write any two important functions of suspension system in automobile.

29. Write any four actuators used in M.P.F.I. engine.

Answer the following questions. 1×3=3

30. State any two valve reconditioning operations.

31. Name the component which replaces clutch in automatic transmission.

32. Write the function of Diode in auto electrical.

33. Match the following items in column A with correct items in column B and
write the correct pair. 1/2×2=1

(i) (a) Axle alignment

(b) Castor

(ii) (c) Toe out

(d) King pin inclination

H-4072 7 P.T.O.

State whether the following statements are true or false.

1/2×2=1

34. Engine will take load if combustion gas leaks from the valves.

35. Compression rings of piston controls the supply of oil to the liner.

36. Match the following items in column A and with correct items in column B
and write the correct pair. 1/2×2=1

‘A’ ‘B’

(i) Yellow cable (A) Used for generator circuit

(ii) Blue cables (B) Used for ignition circuit

(C) Used for headlamp circuit

(D) Used for battery circuit

Answer the following questions. 2×2=4

37. How life of shock absorber is affected ? (Give any four points.)

38. Write any four commonly used test to find electrical faults in auto vehicle.

Answer the following questions in one line each. 1×3=3

39. State the function of shackle in leaf spring.

40. Define backlash in differential.

41. What will happen if baking soda or ammonia enters the battery cells.

H-4072 8