MCQOPTIONS
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MCQOPTIONS
This section includes 2 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. |
A steel rod (k = 30 W/m degree) 1 cm in diameter and 5 cm long protrudes from a wall which is maintained at 10 degree Celsius. The rod is insulated at its tip and is exposed to an environment with h = 50 W/m2 degree and t a = 30 degree Celsius. Calculate the rate of heat dissipation |
| A. | 2.658 W |
| B. | 3.658 W |
| C. | 4.658 W |
| D. | 5.658 W |
| Answer» C. 4.658 W | |
| 2. |
In order to achieve maximum heat dissipation, the fin should be designed in such a way that has a |
| A. | Maximum lateral surface towards the tip side of fin |
| B. | Minimum lateral surface near the center line |
| C. | Maximum lateral surface at the root side of fin |
| D. | Maximum lateral surface near the center of fin |
| Answer» D. Maximum lateral surface near the center of fin | |