MCQOPTIONS
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MCQOPTIONS
This section includes 11 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. |
Which one of the following heat exchanger is best suited for high turbulent flow, is very compact and can handle foul liquids? |
| A. | Gasketed Heat Exchanger |
| B. | Brazed Plate type Heat Exchanger |
| C. | Platular Heat Exchanger |
| D. | Lamella Heat Exchanger |
| Answer» C. Platular Heat Exchanger | |
| 2. |
Recognize the following Plate-Type heat exchanger. |
| A. | Panel Coil heat exchanger |
| B. | Lamella heat exchanger |
| C. | Welded heat exchanger |
| D. | Brazed heat exchanger |
| Answer» C. Welded heat exchanger | |
| 3. |
Which of the following is not a property of Platular Heat Exchanger? |
| A. | It is welded from all the sides and hence a type of welded plate-type heat exchanger |
| B. | The absence of gaskets ensures no leakage and allows the use of toxic fluids |
| C. | It can handle four liquids at a time |
| D. | It has high maintenance and cleaning expenses |
| Answer» E. | |
| 4. |
What limitations does Gaskets pose on Gasketed type HE? |
| A. | Limits its use only to non-corrosive fluids, as the gaskets get corroded |
| B. | It leads to leakage and does not provide proper separation |
| C. | One directional flow is the only possibility |
| D. | Reduces necessary heat transfer area causing decreased Heat coefficients |
| Answer» B. It leads to leakage and does not provide proper separation | |
| 5. |
How is a Plate-type HE better than a Shell and tube HE, one of the following is not correct. |
| A. | Plate type heat exchangers have much higher heat transfer area than Shell and tube ones |
| B. | Thermal stress is higher in Plate type HE |
| C. | Vibrations due to flow and noise are comparatively absent in Plate type HE |
| D. | Entry impingement problem of shell and tube is absent in Plate type HE |
| Answer» C. Vibrations due to flow and noise are comparatively absent in Plate type HE | |
| 6. |
Which of the following is a correct statement about Plate -Fin heat exchanger? |
| A. | Fins are irrelevant as it already provides a very large surface area |
| B. | It can be regarded as a Compact Heat Exchanger as it has a high heat transfer surface to volume ratio |
| C. | The cost of plate-fin HE are relatively less compared to other conventional HE available in market |
| D. | Even though it has fins, the plates can be opened and easily cleaned |
| Answer» C. The cost of plate-fin HE are relatively less compared to other conventional HE available in market | |
| 7. |
Plate type heat exchangers have less surface area as compared to a similar Shell and Tube heat exchanger. A Shell and Tube Heat Exchanger of equivalent area weigh six-seven times less than a Plate Type heat exchanger. |
| A. | True |
| B. | False |
| Answer» C. | |
| 8. |
Which of the following is not a property of Plate type heat exchangers? |
| A. | Even though the heat exchanger has low hydraulic diameter, it can be readily and easily cleaned |
| B. | Leakage is never a concern in these heat exchangers |
| C. | It provides a very large surface area for heat transfer |
| D. | The net weight required is always less than its equivalent Shell and tube type heat exchanger |
| Answer» C. It provides a very large surface area for heat transfer | |
| 9. |
Why do we use counter-flow operation on gasketed type Heat Exchanger? |
| A. | It provides better ease of operation |
| B. | Applied pressure difference required is low |
| C. | A larger and uniform temperature difference is achieved |
| D. | It reduces corrosion |
| Answer» D. It reduces corrosion | |
| 10. |
Which of the following is not a Plate – Type heat exchanger? |
| A. | Welded |
| B. | Gasketed |
| C. | Agitated |
| D. | Brazed |
| Answer» D. Brazed | |
| 11. |
Plate type heat exchangers which are made of thin plates, can handle high pressure and temperature difference. |
| A. | True |
| B. | False |
| Answer» C. | |