MCQOPTIONS
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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. |
How is the piston crown created in a direct injection to help a minimum of air and fuel before combustion? |
| A. | Scavenged |
| B. | Swirling vortex |
| C. | Plain |
| D. | Circle |
| Answer» C. Plain | |
| 2. |
How many numbers of a circuit are required in the computer to control injection in a Throttle body injection? |
| A. | 5 |
| B. | 1 |
| C. | 2 |
| D. | 3 |
| Answer» C. 2 | |
| 3. |
Without any fear of which of the following higher compression ratios can be adopted in the petrol injection system? |
| A. | Ignition lag |
| B. | After burning |
| C. | Detonation |
| D. | Flame propagation |
| Answer» D. Flame propagation | |
| 4. |
How is the time given for the mixing of air and petrol concerning the port injection system? |
| A. | More |
| B. | Less |
| C. | No time |
| D. | Has no effect |
| Answer» B. Less | |
| 5. |
In which of the following stroke concerning ultra-lean mode the fuel is injected? |
| A. | Intake |
| B. | Compression |
| C. | Expansion |
| D. | Exhaust |
| Answer» C. Expansion | |
| 6. |
Where is the injector placed in the direct injection system? |
| A. | Intake manifold |
| B. | Next to the inlet valve |
| C. | Inside the cylinder |
| D. | Near the throttle body |
| Answer» D. Near the throttle body | |
| 7. |
How is the air-fuel mixture for full power mode? |
| A. | Rich |
| B. | Lean |
| C. | Stoichiometric |
| D. | Very lean |
| Answer» B. Lean | |
| 8. |
Which of the following is not a component of a petrol injection system? |
| A. | Injection pump |
| B. | Injection nozzle |
| C. | Pipelines |
| D. | Compression ring |
| Answer» E. | |
| 9. |
Which among the following is not an advantage of petrol injection? |
| A. | Fuel consumption is less |
| B. | Rapid response to throttle |
| C. | High-quality fuel distribution |
| D. | Low efficiency |
| Answer» E. | |
| 10. |
Which type of control valve is used in the operation of the injector? |
| A. | Mechanical |
| B. | Electrical |
| C. | Pneumatic |
| D. | Hydraulic |
| Answer» C. Pneumatic | |
| 11. |
Which among the following is not a factor affecting the pulse width? |
| A. | Coolant temperature |
| B. | Oxygen level in the exhaust |
| C. | Base pulse width |
| D. | Muffler explosion |
| Answer» E. | |
| 12. |
Which among the following is defined as the amount of time the injector stays open and also determines the amount of fuel supplied to the engine? |
| A. | Flat spot |
| B. | Pulse radiation |
| C. | Pulse width |
| D. | Dark pulse |
| Answer» D. Dark pulse | |
| 13. |
Which among the following tunes the fuel delivery to achieve the correct fuel ratio? |
| A. | Float valve |
| B. | Ecu |
| C. | Oxygen sensor |
| D. | Temperature sensor |
| Answer» C. Oxygen sensor | |