MCQOPTIONS
Saved Bookmarks
MCQOPTIONS
This section includes 13 Mcqs, each offering curated multiple-choice questions to sharpen your Automotive Engine Auxiliary Systems knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
What is the range in MPa of pressure injection in diesel engines? |
| A. | 100 |
| B. | 200 |
| C. | 300 |
| D. | 400 |
| Answer» C. 300 | |
| 2. |
What is the range of the cranking compression pressure in the range of KP in a diesel engine? |
| A. | 1000 |
| B. | 2000 |
| C. | 3000 |
| D. | 10000 |
| Answer» D. 10000 | |
| 3. |
Which of the following is used from the engine to drive a gear-driven injection pump? |
| A. | Crankshaft |
| B. | Camshaft |
| C. | Motor |
| D. | Alternator |
| Answer» C. Motor | |
| 4. |
What is the main function of a good fuel filter concerning the injector? |
| A. | Faulty spraying |
| B. | Leakage |
| C. | Increased fuel consumption |
| D. | Filter moisture present |
| Answer» E. | |
| 5. |
Which of the following is the correct flow of fuel in an individual pump fuel injection system? |
| A. | Fuel tank – filter – feed pump – injector |
| B. | Fuel tank – filter – injector- feed pump |
| C. | Fuel tank – feed pump – filter – injector |
| D. | Filter- feed pump – fuel tank – injector |
| Answer» D. Filter- feed pump – fuel tank – injector | |
| 6. |
How much percentage of the power output of the engine is used during the injection process in an air injection system? |
| A. | 5 |
| B. | 10 |
| C. | 15 |
| D. | 20 |
| Answer» C. 15 | |
| 7. |
What is the pressure range in MPa of the compressed air that has been injected in an air injection? |
| A. | 5 |
| B. | 7 |
| C. | 6 |
| D. | 8 |
| Answer» C. 6 | |
| 8. |
Along with compressed air which of the following is injected inside the cylinder? |
| A. | Antifreeze |
| B. | Coolant |
| C. | Liquid fuel |
| D. | both coolant and liquid fuel |
| Answer» D. both coolant and liquid fuel | |
| 9. |
Which of the following types of injection is used in the Common rail fuel injection system? |
| A. | Solid injection |
| B. | Air injection |
| C. | Both solid and air injection |
| D. | Oil injection |
| Answer» B. Air injection | |
| 10. |
Which among the following is provided in an injection pump to provide automatic speed control? |
| A. | Filter |
| B. | Feed pump |
| C. | Governor |
| D. | Injector |
| Answer» D. Injector | |
| 11. |
Which of the following can be removed by using a hand priming lever without turning the engine on in an Individual pump fuel injection system? |
| A. | Air bled out |
| B. | Temperature |
| C. | Oil |
| D. | Coolant |
| Answer» B. Temperature | |
| 12. |
Which of the following is used to return the excess fuel in the rail to the fuel tank? |
| A. | Float valve |
| B. | Relief valve |
| C. | Hand pump |
| D. | Governor |
| Answer» C. Hand pump | |
| 13. |
How are the unit injectors operated in a Common rail fuel injection system? |
| A. | Crankshaft |
| B. | Rocker arms |
| C. | Belt |
| D. | Motor |
| Answer» C. Belt | |