QuizMaster, Author at AnsweringExams.Com

The advantage of the fuel injection system over the carburetor system is

September 14, 2022 by QuizMaster

Question: The advantage of the fuel injection system over the carburetor system is
[A].

improved fuel efficiency

[B].

improved emission

[C].

improved power output

[D].

all of these

Answer: Option D

Explanation:

No answer description available for this question.

A three way catalytic converter

September 14, 2022 by QuizMaster

Question: A three way catalytic converter
[A].

recirculates exhaust gasses

[B].

burns fuel vapaour gasses

[C].

reduces N2, H2O, and CO2 emission levels

[D].

removes CO, HC, and NO2 from the exhaust gasses passing through it

Answer: Option D

Explanation:

No answer description available for this question.

Instead of valves, the ports are used in case of

September 14, 2022 by QuizMaster

Question: Instead of valves, the ports are used in case of
[A].

four stroke I.C. engines

[B].

two-stroke I.C. engines

[C].

V-6 engines

[D].

none of these

Answer: Option B

Explanation:

No answer description available for this question.

A two branch parallel tuned circuit has a capacitance C in one of the two branches and resistance R in second branchs. As C is decreased the dynamic resistance

September 14, 2022 by QuizMaster

Question: A two branch parallel tuned circuit has a capacitance C in one of the two branches and resistance R in second branchs. As C is decreased the dynamic resistance
[A].

increases

[B].

decreases

[C].

remains constant

[D].

may increases or decreases

Answer: Option A

Explanation:

Dynamic resistance = and increases as C is decreased.

It is necessary to maintain the valve clearances as they

September 14, 2022 by QuizMaster

Question: It is necessary to maintain the valve clearances as they
[A].

reduce the resistance to sliding that occurs between the cam and the tappet

[B].

allow for lengthening of the valves owing to the heat of combustion

[C].

increase the speed at which the valves move up and down

[D].

make the crankshaft turn smoothly

Answer: Option B

Explanation:

No answer description available for this question.

The camshaft is driven by the crankshaft via the timing belt.

September 14, 2022 by QuizMaster

Question: The camshaft is driven by the crankshaft via the timing belt.
[A].

Correct

[B].

Incorrect

Answer: Option A

Explanation:

No answer description available for this question.

The auto ignition in a spark ignition engine means

September 14, 2022 by QuizMaster

Question: The auto ignition in a spark ignition engine means
[A].

automatic ignition of the charge at the end of compression

[B].

ignition induced by the passage of a spark

[C].

ignition of the charge before the passage of flame front

[D].

ignition induced to supplement the process of normal combustion

Answer: Option C

Explanation:

No answer description available for this question.

In case of a Diesel car, the pressure at the end of compression is of the order of

September 14, 2022 by QuizMaster

Question: In case of a Diesel car, the pressure at the end of compression is of the order of
[A].

15 bar

[B].

25 bar

[C].

35 bar

[D].

45 bar

Answer: Option D

Explanation:

No answer description available for this question.

If the air-fuel mixture in a spark ignition engine is too rich, then air-fuel ratio is about

September 14, 2022 by QuizMaster

Question: If the air-fuel mixture in a spark ignition engine is too rich, then air-fuel ratio is about
[A].

17:1

[B].

15:1

[C].

13:1

[D].

10:1

Answer: Option D

Explanation:

No answer description available for this question.

One effect of detonation is

September 14, 2022 by QuizMaster

Question: One effect of detonation is
[A].

delay in ignition

[B].

loss of power

[C].

overheating of engine

[D].

overcooling of engine

Answer: Option B

Explanation:

No answer description available for this question.