MCQOPTIONS
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MCQOPTIONS
This section includes 10 Mcqs, each offering curated multiple-choice questions to sharpen your Heat Transfer knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
What is the name of the process occurring represented by the line 3-4 in the given refrigeration cycle? |
| A. | Sensible, heating process |
| B. | Sensible, sub cooling process |
| C. | Entropy increase step |
| D. | Condensation |
| Answer» C. Entropy increase step | |
| 2. |
Which one of the following pathway represents the condensation process of the refrigerant in a refrigeration cycle? |
| A. | 2-3’ |
| B. | 3-4 |
| C. | 3′-3 |
| D. | 1-2 |
| Answer» D. 1-2 | |
| 3. |
The process 2-3’ is known as the ______________ |
| A. | Evaporation |
| B. | De-superheating process |
| C. | Condensation |
| D. | Superheating process |
| Answer» C. Condensation | |
| 4. |
What set of process on the refrigeration cycle corresponds to that of the evaporator? |
| A. | 5-6-1-2 |
| B. | 2-3’-3 |
| C. | 3’-3-4-5 |
| D. | 2-3’-3-4 |
| Answer» B. 2-3’-3 | |
| 5. |
What set of process on the refrigeration cycle corresponds to that of the condenser? |
| A. | 3-4-5-6 |
| B. | 2-3’-3 |
| C. | 3’-3-4-5 |
| D. | 2-3’-3-4 |
| Answer» E. | |
| 6. |
Which process in the refrigeration diagram is represented as the heat rejection process? |
| A. | 3-4-5-6 |
| B. | 2-3’-3-4 |
| C. | 3’-3-4-5 |
| D. | 3’-3-4 |
| Answer» C. 3’-3-4-5 | |
| 7. |
What does the following diagram represent? |
| A. | Gas Cycle |
| B. | Refrigeration cycle |
| C. | Automobile engine cycle |
| D. | 4stroke cycle |
| Answer» C. Automobile engine cycle | |
| 8. |
Fog formation in a condenser can occur when the temperature of the vapour-gas mixture _____________ the local saturation temperature during the condensation process. |
| A. | Falls below |
| B. | Goes above |
| C. | Becomes equal to |
| D. | Goes considerably high |
| Answer» B. Goes above | |
| 9. |
Which one of the following parameters is not used while calculating zonal heat transfer coefficients for the zones in the diagram? |
| A. | The resistance to heat transfer due to the tube wall |
| B. | The resistance due to the film |
| C. | The resistance to heat transfer associated with the presence of non-condensing gases |
| D. | The coolant heat transfer coefficient |
| Answer» C. The resistance to heat transfer associated with the presence of non-condensing gases | |
| 10. |
What do we apply at these linear zones of the diagram? |
| A. | LMTD |
| B. | Average Temperature difference |
| C. | TSAT – TLIQUID |
| D. | TSAT |
| Answer» B. Average Temperature difference | |