MCQOPTIONS
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MCQOPTIONS
This section includes 4 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 effectiveness of an infinitely long fin? |
| A. | ( frac{1}{mL} ) |
| B. | ( sqrt{ frac{KP}{hA_c}} ) |
| C. | ( sqrt{ frac{hP}{KA_c}} ) |
| D. | ( sqrt{hPKA} ) |
| Answer» C. ( sqrt{ frac{hP}{KA_c}} ) | |
| 2. |
What is the efficiency of an infinitely long fin? |
| A. | ( frac{1}{mL} ) |
| B. | ( frac{2}{mL} ) |
| C. | ( frac{3}{mL} ) |
| D. | ( frac{4}{mL} ) |
| Answer» B. ( frac{2}{mL} ) | |
| 3. |
What is the heat transfer area for the following setup?
|
| A. | n<a href="https://www.sanfoundry.com/wp-content/uploads/2019/10/heat-transfer-operations-exam-questions-answers-q12.png"><img alt="Diagram shown is Effectiveness & efficiency on the basis of the fin s efficiency" class="alignnone size-full wp-image-249770" height="267" src="https://www.sanfoundry.com/wp-content/uploads/2019/10/heat-transfer-operations-exam-questions-answers-q12.png" width="270"/></a> |
| B. | 0.3m<sup>2</sup> |
| C. | 0.23m<sup>2</sup> |
| D. | 0.123m<sup>2</sup> |
| E. | 0.223m<sup>2</sup> |
| Answer» D. 0.123m<sup>2</sup> | |
| 4. |
The utility of fin in dissipating a given quantity of heat is generally assessed on the basis of which of the parameters given? |
| A. | Effectiveness and efficiency |
| B. | Effectiveness |
| C. | Efficiency |
| D. | Fin length |
| Answer» B. Effectiveness | |