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. |
In CRDI system pumps, the high-pressure diesel pump develops the pressure up to ________ |
| A. | 200 bar |
| B. | 500 bar |
| C. | 800 bar |
| D. | 1600 bar |
| Answer» E. | |
| 2. |
Advantage of fuel injection in SI engine i? |
| A. | low initial cost |
| B. | low maintenance requirements |
| C. | increased volumetric efficiency |
| D. | none of the mentioned |
| Answer» D. none of the mentioned | |
| 3. |
The most accurate gasoline injection system is |
| A. | direct injection |
| B. | port injection |
| C. | throttle body injection |
| D. | manifold injection |
| Answer» C. throttle body injection | |
| 4. |
By using fuel injection in an SI engine, lower _____________ is obtained. |
| A. | exhaust emission |
| B. | thermal efficiency |
| C. | unpredictable |
| D. | none of the mentioned |
| Answer» B. thermal efficiency | |
| 5. |
By using fuel injection in an SI engine, better _____________ efficiency is obtained. |
| A. | thermal |
| B. | mechanical |
| C. | unpredictable |
| D. | none of the mentioned |
| Answer» B. mechanical | |
| 6. |
Fuel injection in an SI engine _____________ volumetric efficiency. |
| A. | increases |
| B. | decreases |
| C. | maintains constant |
| D. | none of the mentioned |
| Answer» B. decreases | |
| 7. |
In _____________ injection, fuel is injected only during induction stroke over a limited period. |
| A. | continuous |
| B. | timed |
| C. | all of the mentioned |
| D. | none of the mentioned |
| Answer» C. all of the mentioned | |
| 8. |
_____________ injection is adopted when manifold injection is contemplated. |
| A. | Continuous |
| B. | Timed |
| C. | All of the mentioned |
| D. | None of the mentioned |
| Answer» B. Timed | |
| 9. |
The injection of fuel into a SI engine can be done by |
| A. | direct injection of fuel into the cylinder |
| B. | injection of fuel close to the inlet valve |
| C. | injection of fuel into the inlet manifold |
| D. | all of the mentioned |
| Answer» E. | |