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This section includes 10 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_SHORT_CIRCUITING_PROCESS,_THE_FRESH_CHARGE_COMING_FROM_THE_SCAVENGE_MANIFOLD_DIRECTLY_GOES_OUT_OF_THE_EXHAUST_PORTS_WITHOUT_REMOVING_COMBUSTION_PRODUCTS.?$ |
A. | True |
B. | False |
Answer» B. False | |
2. |
THE_THEORETICAL_SCAVENGING_PROCESSES_ARE?$ |
A. | perfect scavenging |
B. | perfect mixing |
C. | short circuiting |
D. | all of the mentioned |
Answer» E. | |
3. |
Scavenging period is the time period taken for crank angle? |
A. | True |
B. | False |
Answer» C. | |
4. |
Scavenging angle is the crank angle during which both inlet and exhaust port are open. |
A. | True |
B. | False |
Answer» B. False | |
5. |
Inadequate scavenging leads to contamination of lubricating oil to a greater extent which reduces the lubricating qualities and eventually results in increased wear of piston and cylinder liners. |
A. | True |
B. | False |
Answer» B. False | |
6. |
Inadequate scavenging leads to low amount of oxygen availability which results in incomplete combustion leading to higher specific fuel combustion. |
A. | True |
B. | False |
Answer» B. False | |
7. |
Inadequate scavenging leads to high mean indicated pressure which results in high weight and high cost per kW for the engine. |
A. | True |
B. | False |
Answer» C. | |
8. |
The efficiency of a two stroke engine does not depends on the effectiveness of the scavenging process. |
A. | True |
B. | False |
Answer» C. | |
9. |
Scavenging process is the replacement of combustion products in the cylinder from previous power stroke with fresh air charge to be burned in the next cycle. |
A. | True |
B. | False |
Answer» B. False | |
10. |
The process of clearing the cylinder after the expansion stroke is called scavenging process. |
A. | True |
B. | False |
Answer» B. False | |