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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 | |