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This section includes 13 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. |
Scavenging process consists of __________ |
A. | pre-blowdown stages |
B. | blowdown |
C. | scavenging |
D. | all of the mentioned |
Answer» E. | |
2. |
Crankcase scavenging arrangement is very economical and inefficient in operation. |
A. | True |
B. | False |
Answer» C. | |
3. |
Scavenging systems, based on charge flow are classifies as __________ |
A. | uniflow |
B. | loop or reverse scavenging |
C. | cross scavenging |
D. | all of the mentioned |
Answer» E. | |
4. |
SCAVENGING_PROCESS_CONSISTS_OF?$ |
A. | pre-blowdown stages |
B. | blowdown |
C. | scavenging |
D. | all of the mentioned |
Answer» E. | |
5. |
Crankcase scavenging arrangement is very economical and inefficient in operation? |
A. | True |
B. | False |
Answer» C. | |
6. |
In __________ scavenging system the inlet and exhaust ports are located on opposite sides of the cylinder. |
A. | loop |
B. | uniflow |
C. | cross |
D. | none of the mentioned |
Answer» D. none of the mentioned | |
7. |
In __________ scavenging, the fresh air first sweeps across the piston top, moves up and then down finally out through the exhaust. |
A. | loop |
B. | uniflow |
C. | cross |
D. | none of the mentioned |
Answer» B. uniflow | |
8. |
__________ scavenging system has the highest efficiency. |
A. | Loop or reverse |
B. | Uniflow |
C. | Cross |
D. | None of the mentioned |
Answer» C. Cross | |
9. |
Pressure loss co-efficient is defined as the ratio between the main upstream and downstream pressures during the scavenging period. |
A. | True |
B. | False |
Answer» B. False | |
10. |
Scavenging systems, based on charge flow are classifies as |
A. | uniflow |
B. | loop or reverse scavenging |
C. | cross scavenging |
D. | all of the mentioned |
Answer» E. | |
11. |
Centrifugal blower is employed for large and high output engines. |
A. | True |
B. | False |
Answer» B. False | |
12. |
Centrifugal blower is used for small and medium engines. |
A. | True |
B. | False |
Answer» C. | |
13. |
Piston type pump is used for low speed and single or two cylinder engines. |
A. | True |
B. | False |
Answer» B. False | |