MCQOPTIONS
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This section includes 17 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. |
If the engine is overcooled some of the heat which could be used to expand the gases will be lost. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 2. |
A hot-spot outside the combustion chamber may be sufficient to cause pre-ignition. |
| A. | True |
| B. | False |
| Answer» C. | |
| 3. |
Inadequate lubrication of the engine, due to oil not being warm enough to flow freely, results in greater frictional losses. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 4. |
As the cool mixture is inducted into the engine cylinder the temperature rises rapidly. |
| A. | True |
| B. | False |
| Answer» C. | |
| 5. |
At the end of the induction stroke the temperature is that of clearance gases. |
| A. | True |
| B. | False |
| Answer» C. | |
| 6. |
Most of the heat is carried away by the cooling system while some are lost by direct radiation from the engine surfaces. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 7. |
The hot gases give part of their heat to ____________ |
| A. | cylinder liner |
| B. | piston and piston rings |
| C. | cylinder head |
| D. | all of the mentioned |
| Answer» E. | |
| 8. |
IF_THE_ENGINE_IS_OVERCOOLED_SOME_OF_THE_HEAT_WHICH_COULD_BE_USED_TO_EXPAND_THE_GASES_WILL_BE_LOST.?$ |
| A. | True |
| B. | False |
| Answer» B. False | |
| 9. |
A hot-spot outside the combustion chamber may be sufficient to cause pre-ignition? |
| A. | True |
| B. | False |
| Answer» C. | |
| 10. |
Inadequate lubrication of the engine, due to oil not being warm enough to flow freely, results in greater frictional losses? |
| A. | True |
| B. | False |
| Answer» B. False | |
| 11. |
During the expansion process the temperature ____________ and then drops very rapidly during the release process. |
| A. | decreases |
| B. | increases |
| C. | remains same |
| D. | none of the mentioned |
| Answer» B. increases | |
| 12. |
During compression process the temperature ____________ and attains its maximum value at the end of combustion process. |
| A. | decreases |
| B. | increases |
| C. | remains same |
| D. | none of the mentioned |
| Answer» C. remains same | |
| 13. |
As the cool mixture is inducted in the engine cylinder the temperature rises rapidly. |
| A. | True |
| B. | False |
| Answer» C. | |
| 14. |
At the end of induction stroke the temperature is that of clearance gases. |
| A. | True |
| B. | False |
| Answer» C. | |
| 15. |
Most of the heat is carried away by the cooling system while some is lost by direct radiation from the engine surfaces. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 16. |
The hot gases give part of their heat to |
| A. | cylinder liner |
| B. | piston and piston rings |
| C. | cylinder head |
| D. | all of the mentioned |
| Answer» E. | |
| 17. |
The transfer of heat takes place due to difference in temperature and from higher temperature to lower temperature. |
| A. | True |
| B. | False |
| Answer» B. False | |