MCQOPTIONS
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MCQOPTIONS
This section includes 11 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. |
Shell and tube HE as well as baffle designs are made by strictly following the standards of______ |
| A. | TERA |
| B. | AESA |
| C. | TEMA |
| D. | AISA |
| Answer» D. AISA | |
| 2. |
If we desire to have 5 shell passes for a shell of length 40cm, what is the baffle spacing in the shell side? |
| A. | 8cm |
| B. | 7cm |
| C. | 6cm |
| D. | 5cm |
| Answer» B. 7cm | |
| 3. |
The number of possible baffles classification are______ |
| A. | Doughnut and disc baffles |
| B. | Orifice and disc baffles |
| C. | Segmental, Doughnut and Orifice baffles |
| D. | Segmental, Doughnut and shell baffles |
| Answer» D. Segmental, Doughnut and shell baffles | |
| 4. |
Doughnut shaped baffles are one of the commonly used baffles in the industry. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 5. |
What is the correct expression for the number of passes in shell side of a shell and tube HE? |
| A. | L/B |
| B. | L/B 1 |
| C. | L/B + 1 |
| D. | B/L |
| Answer» B. L/B 1 | |
| 6. |
What is the number of baffles in the shell side if the baffle spacing is 6cm and Length of the setup is 90cm? |
| A. | 15 |
| B. | 12 |
| C. | 14 |
| D. | 16 |
| Answer» D. 16 | |
| 7. |
Why do we provide baffles? Choose the option that is incorrect. |
| A. | To support the tubes |
| B. | To increase turbulence in the shell side |
| C. | Sometimes behave as fins |
| D. | Increases Heat transfer Coefficient |
| Answer» D. Increases Heat transfer Coefficient | |
| 8. |
What are the ways can tubes be arranged in a shell and tube HE? |
| A. | Half parallel flow arrangement & Semi parallel flow arrangement |
| B. | Hairpin arrangement & Full parallel flow arrangement |
| C. | Full parallel flow arrangement & Half parallel flow arrangement |
| D. | Hairpin arrangement & Half parallel flow arrangement |
| Answer» C. Full parallel flow arrangement & Half parallel flow arrangement | |
| 9. |
If the Heat Transfer area for a Shell and tube heat exchanger is 15100mm2, and the radius of the tubes is 30mm, then what is the number of hairpins required if its single pass length is 4cm? |
| A. | 1 |
| B. | 2 |
| C. | 3 |
| D. | 4 |
| Answer» C. 3 | |
| 10. |
If the Heat Transfer area for a Shell and tube heat exchanger is 15000mm2, and the radius of the tubes is 30mm, then what is the length of the tubes required? |
| A. | 16cm |
| B. | 15.9cm |
| C. | 13cm |
| D. | 15cm |
| Answer» C. 13cm | |
| 11. |
In a shell and tube heat exchanger, the heat transfer area is maximum for ________ |
| A. | Concurrent |
| B. | Counter current |
| C. | Concurrent at a part and Counter current at the other |
| D. | Mixed flow |
| Answer» B. Counter current | |