MCQOPTIONS
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MCQOPTIONS
This section includes 9 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,_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 | |
| 2. |
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 | |
| 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 6,000 m altitude, the air pressure is approximately ________________ the pressure at sea level. |
| A. | same as |
| B. | one-half |
| C. | twice |
| D. | none of the mentioned |
| Answer» C. twice | |
| 5. |
At higher altitude, the mixture strength delivered by the carburetor becomes richer at a rate ___________ proportional to the square root of the density ratio. |
| A. | directly |
| B. | inversely |
| C. | unpredictable |
| D. | none of the mentioned |
| Answer» C. unpredictable | |
| 6. |
At higher altitude, power is |
| A. | increased |
| B. | reduced |
| C. | remains same |
| D. | none of the mentioned |
| Answer» C. remains same | |
| 7. |
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 | |
| 8. |
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 | |
| 9. |
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 | |