MCQOPTIONS
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MCQOPTIONS
This section includes 12 Mcqs, each offering curated multiple-choice questions to sharpen your Thermal Engineering knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
In which of the following type of heat exchanger the heat exchange between the two fluids occur by their complete physical mixing? |
| A. | Direct contact heat exchanger |
| B. | Indirect contact heat exchanger |
| C. | Recuperator |
| D. | Regenerator |
| Answer» B. Indirect contact heat exchanger | |
| 2. |
Number of categories heat exchanger can be classified based on the physical state of heat exchanging fluid is ____ |
| A. | 1 |
| B. | 2 |
| C. | 3 |
| D. | 4 |
| Answer» C. 3 | |
| 3. |
Number of categories heat exchanger can be classified based on the mechanical design of heat exchanger surface is ______ |
| A. | 1 |
| B. | 2 |
| C. | 3 |
| D. | 4 |
| Answer» D. 4 | |
| 4. |
Number of categories heat exchanger can be classified based on the direction of flow of fluids is ______ |
| A. | 1 |
| B. | 2 |
| C. | 3 |
| D. | 4 |
| Answer» D. 4 | |
| 5. |
In which of the following recuperator heat exchanger is not used? |
| A. | Evaporator |
| B. | Chemical factories |
| C. | Automobile radiators |
| D. | Condensers |
| Answer» C. Automobile radiators | |
| 6. |
How many categories heat exchanger can be classified based on nature of heat exchange process? |
| A. | 1 |
| B. | 2 |
| C. | 3 |
| D. | 4 |
| Answer» D. 4 | |
| 7. |
LMTD in case of condenser will ________ for counter and parallel flow heat exchanger. |
| A. | Remain same |
| B. | Not be equal |
| C. | Cannot be determined |
| D. | Will not change with time |
| Answer» B. Not be equal | |
| 8. |
What property of cold fluid remains constant in case of evaporator? |
| A. | Volume |
| B. | Temperature |
| C. | Entropy |
| D. | Enthalpy |
| Answer» C. Entropy | |
| 9. |
Which of the following is not an application of regenerator? |
| A. | Jet condenser |
| B. | Steam power plant |
| C. | Oxygen producer |
| D. | Blast furnace |
| Answer» B. Steam power plant | |
| 10. |
In which type of heat exchanger the same space is occupied by the hot and cold gases, between which heat is exchanged? |
| A. | Recuperator |
| B. | Regenerator |
| C. | Direct contact heat exchanger |
| D. | Indirect contact heat exchanger |
| Answer» C. Direct contact heat exchanger | |
| 11. |
Surface heat exchangers are also known as _______ |
| A. | Direct contact heat exchanger |
| B. | Indirect contact heat exchanger |
| C. | Recuperator |
| D. | Regenerator |
| Answer» D. Regenerator | |
| 12. |
A periodic type heat exchanger is known as _____ |
| A. | Direct contact heat exchanger |
| B. | Indirect contact heat exchanger |
| C. | Recuperator |
| D. | Regenerator |
| Answer» E. | |