MCQOPTIONS
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MCQOPTIONS
This section includes 9 Mcqs, each offering curated multiple-choice questions to sharpen your Heat Transfer Operations knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
What is the maximum baffle spacing for a Shell and Tube Heat Exchanger? |
| A. | ID of Shell |
| B. | ID of Tube |
| C. | ID of Shell/5 |
| D. | ID of Shell/4 |
| Answer» B. ID of Tube | |
| 2. |
What is the minimum baffle spacing for a Shell and Tube Heat Exchanger? |
| A. | ID of Shell |
| B. | ID of Tube |
| C. | ID of Shell/5 |
| D. | ID of Shell/4 |
| Answer» D. ID of Shell/4 | |
| 3. |
What is term S in the formula for Return Loss for tubes in a Shell and Tube Heat Exchanger?
|
| A. | Specific gravity |
| B. | Density |
| C. | Specific heat capacity |
| D. | Specific heat |
| Answer» B. Density | |
| 4. |
The more the number of shell and tube passes, less is the value of Correction Factor. |
| A. | True |
| B. | False |
| Answer» C. | |
| 5. |
When we want to have extremely small pressure drop for the shell side and also desire to provide support to the tubes, which one the following setup should we use? |
| A. | Segmental Baffles |
| B. | Doughnut Baffles |
| C. | Orifice Baffles |
| D. | Support Plates |
| Answer» E. | |
| 6. |
When steam is used on the tube side of the Heat Exchanger, then the allowable pressure drop should be less than _____ P.S.I. |
| A. | 1 |
| B. | 2 |
| C. | 3 |
| D. | 4 |
| Answer» B. 2 | |
| 7. |
Which one of the following formula is correct for return losses? |
| A. | ( frac{4N}{S} frac{V^2}{2g} ) |
| B. | ( frac{4N}{S} frac{V^2}{2} ) |
| C. | ( frac{4N}{S} frac{V^2}{g} ) |
| D. | ( frac{N}{S} frac{V^2}{2g} ) |
| Answer» B. ( frac{4N}{S} frac{V^2}{2} ) | |
| 8. |
A heat exchanger was required to cool a liquid from 150 to 110 , but the outlet temperature was increased by 3 every month for same heat transfer. What should have been the fouling factor if UD = 80? |
| A. | 94 |
| B. | 49 |
| C. | 85 |
| D. | 90 |
| Answer» B. 49 | |
| 9. |
Which one of the following dirt factor should we assign to the HE for two moderately clean streams? |
| A. | U<sub>D</sub> = 20, U<sub>C</sub> = 30 |
| B. | U<sub>D</sub> = 40, U<sub>C</sub> = 50 |
| C. | U<sub>D</sub> = 50, U<sub>C</sub> = 60 |
| D. | U<sub>D</sub> = 100, U<sub>C</sub> = 110 |
| Answer» B. U<sub>D</sub> = 40, U<sub>C</sub> = 50 | |