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. |
Which of the mentioned bellow is a disadvantage of a poppet valve? |
| A. | Cold start wear |
| B. | Higher overall valve train efficiency |
| C. | Cylinder deactivation |
| D. | Valve stem scuffing |
| Answer» E. | |
| 2. |
By which component in a Camless engine, each engine valve is operated individually? |
| A. | ECU |
| B. | Cam |
| C. | Sensor |
| D. | Actuator |
| Answer» E. | |
| 3. |
How many valves per cylinder are used in Multi air technology? |
| A. | 1 |
| B. | 2 |
| C. | 3 |
| D. | 4 |
| Answer» E. | |
| 4. |
What was the Fiat’s new air management technology in 2009 known as? |
| A. | I-VTEC |
| B. | VVTEC |
| C. | Turbo engine |
| D. | MultiAir |
| Answer» E. | |
| 5. |
Which valve system varies the valve timing and lift of both intake and exhaust? |
| A. | DOHC |
| B. | SOHC |
| C. | TDCI |
| D. | CRDI |
| Answer» B. SOHC | |
| 6. |
Which type of valve system does the VTEC uses in Indian ‘Honda city’? |
| A. | DOHC |
| B. | SOHC |
| C. | TDCI |
| D. | CRDI |
| Answer» C. TDCI | |
| 7. |
What is the value of the valve overlap, for a smooth idle and healthy low rpm torque? |
| A. | 0 |
| B. | 40°-75° |
| C. | 1 |
| D. | 80°-150° |
| Answer» B. 40°-75° | |
| 8. |
What results in the use of a high degree of overlap inat lower engine speed? |
| A. | Loss of torque |
| B. | Gain of performance |
| C. | loss of torque and performance |
| D. | Gain of torque and performance |
| Answer» D. Gain of torque and performance | |
| 9. |
What does VTEC stands for? |
| A. | Valve timing and lift electronic control system |
| B. | Variable valve timing and lift electronic system |
| C. | Variable timing electronic system |
| D. | Variable valve timing and lift electronic control system |
| Answer» E. | |
| 10. |
Which system reduces the pumping losses due to conventional throttle? |
| A. | Profile switching system |
| B. | Phase changing system |
| C. | Variable event-timing system |
| D. | Variable lift system |
| Answer» E. | |
| 11. |
Which system can change both the phase and duration of the valve event? |
| A. | Profile switching system |
| B. | Phase changing system |
| C. | Variable event-timing system |
| D. | Variable lift system |
| Answer» E. | |
| 12. |
Which system can change independently the valve-event timing and valve lift? |
| A. | Profile switching system |
| B. | Phase changing system |
| C. | Variable event-timing system |
| D. | Variable lift system |
| Answer» B. Phase changing system | |
| 13. |
Which technology changes the timing of intake/exhaust valves when the engine is running? |
| A. | CRDI |
| B. | DOHC |
| C. | TDI |
| D. | VVT |
| Answer» E. | |