Question:

ECU is an electronic injection system used for

A.

calculating the appropriate injection timing

B.

meeting only certain operating conditions

C.

closing the injection valve only

D.

none of the above

Answer» a. calculating the appropriate injection timing

Question:

The first vehicle in India equipped with MPFI system in Indian automobile industry

A.

Tata Indica

B.

Daewoo Matiz

C.

Maruti Alto

D.

Chevrolet spark

Answer» b. Daewoo Matiz

Question:

Pour point of fuel oil is the

A.

minimum temperature to which oil is heated in order to give off inflammable vapours in sufficient quantity to ignite momentarily when brought in contact with a flame

B.

temperature at which it solidifies or congeals

C.

it catches fire without external aid

D.

indicated by 90% distillation temperature i.e., when 90% of sample oil has distilled off

Answer» b. temperature at which it solidifies or congeals

Question:

Dwell meter is used for

A.

setting spark plug gap

B.

contact breaker gap

C.

setting the ignition advance

D.

setting

Answer» b. contact breaker gap

Question:

The cold start injector

A.

maintain stoichiometric air-fuel ratio

B.

provides lean air-fuel ratio

C.

gives rich air-fuel ratio

D.

is not used for any of the above functions

Answer» c. gives rich air-fuel ratio

Question:

The secondary winding of ignition coil consists of

A.

few turns of fine wire

B.

few turns of thick wire

C.

many turns of fine wire

D.

many turns of thick wire

Answer» c. many turns of fine wire

Question:

For a four cylinder vertical engine, the commonly used firing order is

A.

1-2-3-4

B.

3-4-1-2

C.

1-3-4-2

D.

4-3-2-1

Answer» c. 1-3-4-2

Question:

The specific fuel consumption per BHP hour for diesel engine is approximately

A.

0.15 kg

B.

0.2 kg

C.

0.25 kg

D.

0.3 kg

Answer» b. 0.2 kg