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This section includes 8 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 ________________ type of mixture control system, allows additional air to enter the carburetor between the main discharge nozzle and the throttle valve. |
A. | back suction |
B. | needle |
C. | air port |
D. | none of the mentioned |
Answer» D. none of the mentioned | |
2. |
The _________________ type of mixture control system, restricts the flow of fuel through the metering system. |
A. | back suction |
B. | needle |
C. | air port |
D. | none of the mentioned |
Answer» C. air port | |
3. |
The __________________ type of mixture control system, reduces the effective suction on the metering system. |
A. | back suction |
B. | needle |
C. | air port |
D. | none of the mentioned |
Answer» B. needle | |
4. |
At higher altitude, power is _____________ |
A. | increased |
B. | reduced |
C. | remains same |
D. | none of the mentioned |
Answer» C. remains same | |
5. |
At higher altitude, the vehicles result in _____________ |
A. | hydrocarbon emission |
B. | carbon monoxide emission |
C. | hydrocarbon & carbon monoxide emission |
D. | none of the mentioned |
Answer» D. none of the mentioned | |
6. |
If the vehicle is operated at an altitude higher than calibration altitude ____________ mixture is obtained. |
A. | lean |
B. | rich |
C. | chemically equal |
D. | none of the mentioned |
Answer» C. chemically equal | |
7. |
At lower altitude, the vehicles result in _____________ |
A. | hydrocarbon emission |
B. | carbon monoxide emission |
C. | poor drivability |
D. | none of the mentioned |
Answer» D. none of the mentioned | |
8. |
If the vehicle is operated at an altitude lower than calibration altitude __________________ mixture is obtained. |
A. | lean |
B. | rich |
C. | chemically equal |
D. | none of the mentioned |
Answer» B. rich | |