September 2022 - Page 125 of 129 -

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.

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. Read More »

Automobile Engineering, Mechanical Engineering

Engine misfiring is likely to result from

Automobile Engineering, Mechanical Engineering / admin

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.

Engine misfiring is likely to result from Read More »

Automobile Engineering, Mechanical Engineering

In a petrol engine, the high voltage for spark plug is in the order of

Automobile Engineering, Mechanical Engineering / admin

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.

In a petrol engine, the high voltage for spark plug is in the order of Read More »

Automobile Engineering, Mechanical Engineering

If the spark plug deposit indicates black coating of soot, it indicates that the engine has been generally operating on

Automobile Engineering, Mechanical Engineering / admin

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.

If the spark plug deposit indicates black coating of soot, it indicates that the engine has been generally operating on Read More »

Automobile Engineering, Mechanical Engineering

The air gap between the central electrode and ground (or side) electrode of a spark plug is around

Automobile Engineering, Mechanical Engineering / admin

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.

The air gap between the central electrode and ground (or side) electrode of a spark plug is around Read More »

Automobile Engineering, Mechanical Engineering

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.

Automobile Engineering, Mechanical Engineering / admin

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.

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. Read More »

Automobile Engineering, Mechanical Engineering