

MCQOPTIONS
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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. |
EFI_SYSTEM_CAN_ACHIEVE?$ |
A. | proper injection timing |
B. | proper injection quantity |
C. | proper injection pressure |
D. | all of the mentioned |
Answer» E. | |
2. |
Gasoline_engines_are_______________than_diesel_engines.$ |
A. | heavier |
B. | lighter |
C. | unpredictable |
D. | none of the mentioned |
Answer» B. lighter | |
3. |
With EFI of diesel engine? |
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. |
The cold start injector |
A. | maintain stoichiometric air-fuel ratio |
B. | provides lean air-fuel ratio |
C. | 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. |
L-MPFI system uses |
A. | port injection |
B. | direct injection |
C. | manifold injection |
D. | throttle body injection |
Answer» B. direct injection | |
9. |
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 | |