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This section includes 17 Mcqs, each offering curated multiple-choice questions to sharpen your Energy Engineering knowledge and support exam preparation. Choose a topic below to get started.
1. |
Oil is cooled before passing it to the engine. |
A. | True |
B. | False |
Answer» B. False | |
2. |
Rough cleaning of oil in engine is done through passing the oil through? |
A. | Paper discs |
B. | Nozzle |
C. | Felt pads |
D. | High speed centrifuges |
Answer» E. | |
3. |
Why is oil cleaning is necessary in the engine? |
A. | For continuous reliable operation |
B. | To cool down the oil |
C. | To reduce the viscosity of oil |
D. | To increase thickness of oil |
Answer» B. To cool down the oil | |
4. |
In which type of lubrication method are splash rods used? |
A. | Full pressure lubrication |
B. | Mechanical lubrication |
C. | Force feed lubrication |
D. | Spray lubrication |
Answer» B. Mechanical lubrication | |
5. |
Exhaust pipe is designed carefully in order to carry toxic gases away from the user machine. |
A. | True |
B. | False |
Answer» B. False | |
6. |
WHY_IS_OIL_CLEANING_IS_NECESSARY_IN_THE_ENGINE??$ |
A. | For continuous reliable operation |
B. | To cool down the oil |
C. | To reduce the viscosity of oil |
D. | To increase thickness of oil |
Answer» B. To cool down the oil | |
7. |
IN_WHICH_TYPE_OF_LUBRICATION_METHOD_ARE_SPLASH_RODS_USED??$ |
A. | Full pressure lubrication |
B. | Mechanical lubrication |
C. | Force feed lubrication |
D. | Spray lubrication |
Answer» B. Mechanical lubrication | |
8. |
Oil is cooled before passing it to the engine?$ |
A. | True |
B. | False |
Answer» B. False | |
9. |
Rough cleaning of oil in engine is done through passing the oil through?$ |
A. | Paper discs |
B. | Nozzle |
C. | Felt pads |
D. | High speed centrifuges |
Answer» E. | |
10. |
Why is lubrication system important in the engine? |
A. | To improve fuel efficiency |
B. | To provide cooling |
C. | To reduce the disturbance |
D. | To help move the fuel easily |
Answer» D. To help move the fuel easily | |
11. |
Exhaust pipe is designed carefully in order to carry toxic gases away from the user machine? |
A. | True |
B. | False |
Answer» B. False | |
12. |
What is muffling? |
A. | Reducing vibration |
B. | Increasing the flow of gas |
C. | Reducing noise |
D. | Filtering the exhaust air |
Answer» D. Filtering the exhaust air | |
13. |
Which type of filter used in engine is made up of cloth, felt and glass wool? |
A. | Dry-type |
B. | Oil-bath type |
C. | Soot blower |
D. | Bessel filter |
Answer» B. Oil-bath type | |
14. |
In which type of dust filter used in engine is the air swept over or through the pool of oil?? |
A. | Oil bath type |
B. | Dry-type |
C. | Soot blower |
D. | Bessel filter |
Answer» B. Dry-type | |
15. |
What is used in engines to reduce the noise at the exhaust? |
A. | Noise dampers |
B. | Baffles |
C. | Silencers |
D. | Composite foam |
Answer» D. Composite foam | |
16. |
What happens if atmospheric temperature is too low? |
A. | Engine misfires at low loads |
B. | Engine consumes more amount of fuel |
C. | Engine gets struck up |
D. | Exhaust produced comparatively more |
Answer» B. Engine consumes more amount of fuel | |
17. |
Why does a large diesel engine plant require air? |
A. | To support combustion |
B. | To remove dust particles |
C. | To blow out fumes |
D. | To run the engine |
Answer» B. To remove dust particles | |