MCQOPTIONS
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MCQOPTIONS
This section includes 10 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. |
Gasoline engines are _____________ than diesel engines. |
| A. | heavier |
| B. | lighter |
| C. | unpredictable |
| D. | none of the mentioned |
| Answer» B. lighter | |
| 2. |
EFI system can achieve ___________ |
| A. | proper injection timing |
| B. | proper injection quantity |
| C. | proper injection pressure |
| D. | all of the mentioned |
| Answer» E. | |
| 3. |
With EFI of diesel engines ___________ |
| A. | sharp start and stop is not possible |
| B. | very high injection pressure can be obtained |
| C. | sudden cylinder cut-off is impossible |
| D. | diagnostic properties are poor |
| Answer» C. sudden cylinder cut-off is impossible | |
| 4. |
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 mentioned |
| Answer» B. meeting only certain operating conditions | |
| 5. |
What is the cold start injector? |
| A. | maintains stoichiometric air-fuel ratio |
| B. | provides lean air-fuel ratio |
| C. | it gives rich air-fuel ratio |
| D. | none of the mentioned |
| Answer» D. none of the mentioned | |
| 6. |
Continuous injection system usually has ___________ |
| A. | plunger pump |
| B. | rotary pump |
| C. | gear pump |
| D. | vane pump |
| Answer» C. gear pump | |
| 7. |
Common rail injection system uses injection pressures of the order ___________ |
| A. | 100-200 bar |
| B. | 200-400 bar |
| C. | 400-600 bar |
| D. | 1500 bar |
| Answer» E. | |
| 8. |
D-MPFI system uses ___________ |
| A. | port injection |
| B. | direct injection |
| C. | manifold injection |
| D. | throttle body injection |
| Answer» C. manifold injection | |
| 9. |
L-MPFI system uses ___________ |
| A. | port injection |
| B. | direct injection |
| C. | manifold injection |
| D. | throttle body injection |
| Answer» B. direct injection | |
| 10. |
Multi-point fuel injection system uses ____________ |
| A. | manifold injection |
| B. | direct injection |
| C. | port injection and throttle body injection |
| D. | none of the mentioned |
| Answer» D. none of the mentioned | |