Maintenance and Troubleshooting in Automobile MCQ Questions & Answers

51

Choose the correct statement with regard to inspection of the engine during driving.

A) It is normal for knocking to occur when the accelerator pedal is depressed and the vehicle accelerates B) Knocking and pinging occur as a result of variations in fuel quality and do not constitute an engine abnormality C) Poor fuel quality leads to failure of the engine to stop immediately when the key is moved to the OFF position, consequently, no maintenance need to be carried out in such a case D) The engine's idling speed will increase by a light degree immediately after a cold engine has been started, it will drop as the engine warms up, and it will eventually reach the standard level

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Answer & Solution

Answer: Option D

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52

A bent wheel of the car should be

A) Welded B) Heated C) Straightened D) Discarded

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Answer & Solution

Answer: Option C

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53

The noises due to connecting rod are usually . . . . . . . . intense than those originated by main bearings.

A) More B) Less C) Same D) None

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Answer & Solution

Answer: Option A

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54

Match List-I with List-II and choose the correct answer:

List-I	List-II
a. Tachometer	1. Bimetal electric type
b. Odometer	2. Decibel
c. Fuel gauge	3. 90 kmph
d. Pressure horn	4. 6000 rpm
	5. 3750 km

A) a-4, b-5, c-1, d-2 B) a-5, b-4, c-2, d-1 C) a-3, b-4, c-2, d-1 D) a-4, b-2, c-1, d-3

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Answer & Solution

Answer: Option A

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55

Clutch dragging is noticeable:

A) When shifting gears B) During acceleration C) At high speed D) At low speed

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Answer & Solution

Answer: Option A

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56

Checking the phasing of an in-line fuel injection pump is carried out to

A) Ensure that fuel injection starts at the correct number of degrees after TDC B) Ensure that each element commences delivery at the correct angular interval C) Ensure that the engine cannot run backwards D) Ensure that the lift pump is working

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Answer & Solution

Answer: Option B

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57

Scuff wear is caused by:

A) Abrasive wear B) Momentary welds at TDC C) Momentary welds at BDC D) Excessive oil in the combustion chamber

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Answer & Solution

Answer: Option B

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58

Vapour lock occurs in the

A) Fuel line or pump B) Fuel pump or tank C) Carburettor and tank D) Tank or gauge pipe

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Answer & Solution

Answer: Option A

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59

Car pulls to one side while braking due to

A) Frame misaligned B) Loose rear springs C) Unequal load in car D) Brake grabs

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Answer & Solution

Answer: Option B

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60

Sudden breakdown chance is more in . . . . . . . . maintenance.

A) Routine B) Preventive C) Special D) Corrective

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Answer & Solution

Answer: Option A

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Maintenance and Troubleshooting in Automobile MCQ Questions & Answers | Automobile Engineering