MCQOPTIONS
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MCQOPTIONS
This section includes 657 Mcqs, each offering curated multiple-choice questions to sharpen your Testing Subject knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
For the same heat transfer Q and same overall heat transfer coefficient U, surface area required for cross flow operation is always |
| A. | less than LMTD for parallel flow |
| B. | more than LMTD for parallel flow |
| C. | same as LMTD for parallel flow |
| D. | unpredictable |
| Answer» B. more than LMTD for parallel flow | |
| 2. |
For the same heat transfer Q and same overall heat transfer coefficient U, surface area required for parallel flow operation is always |
| A. | less than LMTD for counter flow |
| B. | more than LMTD for counter flow |
| C. | same as LMTD for counter flow |
| D. | unpredictable |
| Answer» C. same as LMTD for counter flow | |
| 3. |
Which of the following temperature difference is safer than other to consider in designing of heat exchangers? |
| A. | Arithmetic Mean Temperature Difference ( T |
| B. | Logarithmic Mean Temperature Difference (LMTD) |
| C. | Both have nothing to do with safety |
| D. | Other |
| Answer» C. Both have nothing to do with safety | |