Automobile Engineering - Section 1 (2)

Directions to Solve

Automobile Engineering - Section 1

9.

The natural gas is compressed in a CNG cylinder at a pressure of

A.	200 bar
B.	220 bar
C.	250 bar
D.	300 bar

Answer: Option A

Explanation:

No answer description available for this question.

10.

The most commonly used supplementary restraint system (SRS) component is

A.	seat belt
B.	brake
C.	airbag
D.	steering

Answer: Option C

Explanation:

No answer description available for this question.

11.

The compression ratio in petrol engine is kept less than in Diesel engine because

A.	it makes petrol engines lighter
B.	higher or equivalent compression ratio in petrol engines is not possible due to pre-ignition
C.	less compression ratio gives better performance
D.	it is just customary to have less compression ratio in petrol engines

Answer: Option B

Explanation:

No answer description available for this question.

12.

The main function of the tread pattern on tyre is that

A.	the tread grooves pass air between the tyre and road surface, thereby preventing tyre from overheating
B.	the crests between the tread grooves absorb road noise
C.	in wet conditions, the tread grooves expel water that is drawn between the tyre and road surface
D.	the tread pattern protects the tyre's inner carcass from small stones and pieces of glass

Answer: Option C

Explanation:

No answer description available for this question.

13.

The tilting of the front wheels away from the vertical, when viewed from the front of the car, is called

A.	camber
B.	caster
C.	toe-in
D.	toe-out

Answer: Option A

Explanation:

No answer description available for this question.

14.

In a fuel injection system, the electronic control module (ECM) calculates the optimum fuel-injection volume for the engine condition based on the data received from the sensors, and injects this volume of fuel into the intake manifold at the optimum timing.

A.	Correct
B.	Incorrect

Answer: Option A

Explanation:

No answer description available for this question.

15.

The aluminium alloy is used in cylinder blocks because

A.	material cost is low
B.	material cost is low
C.	it does not require any cylinder liners
D.	the piston is also made of aluminium alloy

Answer: Option A

Explanation:

No answer description available for this question.

16.

The operation of removing trapped air from the hydraulic braking system is known as

A.	trapping
B.	tapping
C.	bleeding
D.	cleaning

Answer: Option C

Explanation:

No answer description available for this question.

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