Explore topic-wise MCQs in Ic Engine.

This section includes 13 Mcqs, each offering curated multiple-choice questions to sharpen your Ic Engine knowledge and support exam preparation. Choose a topic below to get started.

1.

The centrifugal spark advance is essential to compensate for the increase in speed of the engine.

A. True
B. False
Answer» B. False
2.

The diaphragm is so coupled with the contact breaker that when induction pressure is reduced, the angle of advance _____________

A. decreases
B. increases
C. remains constant
D. none of the mentioned
Answer» C. remains constant
3.

The ignition advance is obtained with the help of a spring loaded diaphragm connected to the _____________

A. throttle
B. nozzle
C. venturi
D. none of the mentioned
Answer» D. none of the mentioned
4.

THE_CENTRIFUGAL_SPARK_ADVANCE_IS_ESSENTIAL_TO_COMPENSATE_FOR_THE_INCREASE_IN_SPEED_OF_THE_ENGINE.?$

A. True
B. False
Answer» B. False
5.

The diaphragm is so coupled with the contact breaker that when induction pressure is reduced, the angle of advanc?

A. decreases
B. increases
C. remains constant
D. none of the mentioned
Answer» C. remains constant
6.

The ignition advance is obtained with the help of a spring loaded diaphragm connected to th?

A. throttle
B. nozzle
C. venturi
D. none of the mentioned
Answer» D. none of the mentioned
7.

It is necessary to have centrifugal advance of the spark timing since the lean mixtures require an earlier spark timing than the rich mixtures.

A. True
B. False
Answer» C.
8.

The larger throttle opening means the possibility of better mixing and combustion during idling.

A. True
B. False
Answer» B. False
9.

The vacuum advance mechanism operates depending on the centrifugal advance mechanism.

A. True
B. False
Answer» C.
10.

Vacuum advance mechanism shifts the ignition point under ____________ load operation.

A. full
B. part
C. no
D. none of the mentioned
Answer» C. no
11.

The vacuum advance mechanism controls the ignition timing for full load operation.

A. True
B. False
Answer» C.
12.

The engine speed and the engine load are the control quantities required for the automatic adjustment of the ignition timing.

A. True
B. False
Answer» B. False
13.

The purpose of the spark advance mechanism is to assure that under every condition of engine operation, ignition takes place at the most favourable instant in time.

A. True
B. False
Answer» B. False