QuizMaster

Question: A baffle plate is fitted inside the oil pan to prevent the oil from splashing when it is subjected to vibration and other movement during vehicle operation.
[A].

True

[B].

False

Answer: Option A

Explanation:

No answer description available for this question.

Question: Engine misfiring is likely to result from
[A].

spark plug gap too small

[B].

spark plug gap too wide

[C].

vapour lock in the fuel only

[D].

incorrect fuel air mixture

Answer: Option B

Explanation:

No answer description available for this question.

Question: In a petrol engine, the high voltage for spark plug is in the order of
[A].

1000 volts

[B].

2000 volts

[C].

11 kilovolts

[D].

22 kilovolts

Answer: Option D

Explanation:

No answer description available for this question.

Question: If the spark plug deposit indicates black coating of soot, it indicates that the engine has been generally operating on
[A].

too lean mixture

[B].

stoichiometric mixture

[C].

most economical mixture

[D].

too rich mixture

Answer: Option D

Explanation:

No answer description available for this question.

Question: The air gap between the central electrode and ground (or side) electrode of a spark plug is around
[A].

0.2 mm

[B].

0.5 mm

[C].

1 mm

[D].

1.5 mm

Answer: Option C

Explanation:

No answer description available for this question.

Question: In a spark plug, when the temperature of the central electrode exceeds a certain temperature, any carbon that has adhered will be burnt off, and the temperature at which this burning off carbon starts is referred to as the self cleaning temperature.
[A].

Correct

[B].

Incorrect

Answer: Option A

Explanation:

No answer description available for this question.

Question: The best fuels for compression ignition engines are
[A].

straight chain paraffins

[B].

aromatics

[C].

branched chain paraffins

[D].

napthalenes

Answer: Option D

Explanation:

No answer description available for this question.

Question: The anti-knock property of compression ignition engine fuel can be improved by adding
[A].

tetraethyl lead

[B].

trimethyl pentane

[C].

amyl nitrate

[D].

hexadecane

Answer: Option C

Explanation:

No answer description available for this question.

Question: If the level of tension in the belt is too high, it can result in a loss of power or in bending of the rotating shaft or crankshaft.
[A].

Correct

[B].

Incorrect

Answer: Option A

Explanation:

No answer description available for this question.

Question: 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.