MCQOPTIONS
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MCQOPTIONS
This section includes 6 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. |
The injector nozzle of a compression ignition engine is required to inject fuel at sufficiently high pressure in order to __________ |
| A. | inject fuel in a chamber of high pressure at the end of the compression stroke |
| B. | inject fuel at a high velocity to facilitate atomization |
| C. | ensure that penetration is not high |
| D. | all of the mentioned |
| Answer» E. | |
| 2. |
In compression ignition engines, swirl denotes a __________ |
| A. | haphazard motion of the gases in the chamber |
| B. | rotary motion of the gases in the chamber |
| C. | radial motion of the gases in the chamber |
| D. | none of the mentioned |
| Answer» C. radial motion of the gases in the chamber | |
| 3. |
In a petrol engine, the mixture has the lowest pressure at the __________ |
| A. | beginning of suction stroke |
| B. | end of suction stroke |
| C. | end of compression stroke |
| D. | none of the mentioned |
| Answer» C. end of compression stroke | |
| 4. |
Number of working strokes per min. for a four stroke cycle engine are ____________ the speed of the engine in r.p.m. |
| A. | equal to |
| B. | one-half |
| C. | twice |
| D. | four-times |
| Answer» C. twice | |
| 5. |
The power actually developed by the engine cylinder of an I.C. engine is known as __________ |
| A. | theoretical power |
| B. | actual power |
| C. | indicated power |
| D. | none of the mentioned |
| Answer» D. none of the mentioned | |
| 6. |
The thermal efficiency of a petrol engine is ____________ as compared to diesel engine. |
| A. | same |
| B. | less |
| C. | more |
| D. | none of the mentioned |
| Answer» C. more | |