MCQOPTIONS
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MCQOPTIONS
This section includes 8 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 a common rail fuel injection system, there is complete control over start and end of injection. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 2. |
In common rail fuel injection system, very high injection pressures of order of _________ bar. |
| A. | 1000 |
| B. | 1500 |
| C. | 2000 |
| D. | none of the mentioned |
| Answer» C. 2000 | |
| 3. |
The end of delivery occurs when the helical slot or groove on the plunger uncovers the ports. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 4. |
The end of injection in the conventional inline element is determined by the instant when the top of the plunger covers the bypass or the spill ports. |
| A. | True |
| B. | False |
| Answer» C. | |
| 5. |
The ECU generates the pulses to operate the solenoid controlled spill valve. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 6. |
The timing of injection has to be advanced as the speed _____________ |
| A. | decreases |
| B. | increases |
| C. | stables |
| D. | none of the mentioned |
| Answer» C. stables | |
| 7. |
The inputs used in electronically controlled diesel fuel injection systems are _____________ |
| A. | intake air temperature |
| B. | lubricating oil temperature |
| C. | ambient air temperature |
| D. | all of the mentioned |
| Answer» E. | |
| 8. |
The inputs used in electronically controlled diesel fuel injection systems are ____________ |
| A. | engine speed |
| B. | crank shaft position |
| C. | accelerator pedal position |
| D. | all of the mentioned |
| Answer» E. | |