MCQOPTIONS
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MCQOPTIONS
This section includes 4 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 rod of 3 cm diameter and 20 cm length is maintained at 100 degree Celsius at one end and 10 degree Celsius at the other end. These temperature conditions are attained when there is heat flow rate of 6 W. If cylindrical surface of the rod is completely insulated, determine the thermal conductivity of the rod material |
| A. | 21.87 W/m degree |
| B. | 20.87 W/m degree |
| C. | 19.87 W/m degree |
| D. | 18.87 W/m degree<sub></sub> |
| Answer» E. | |
| 2. |
A homogeneous wall of area A and thickness has left and right hand surface temperatures of 0 degree Celsius and 40 degree Celsius. Determine the temperature at the center of the wall |
| A. | 10 degree Celsius |
| B. | 20 degree Celsius |
| C. | 30 degree Celsius |
| D. | 40 degree Celsius |
| Answer» C. 30 degree Celsius | |
| 3. |
The rate of convective heat transfer between a solid boundary and adjacent fluid is given by |
| A. | Q = h A (t <sub>s </sub> t <sub>f</sub>) |
| B. | Q = h A |
| C. | Q = (t <sub>s </sub> t <sub>f</sub>) |
| D. | Q = h (t <sub>s </sub> t <sub>f</sub>) |
| Answer» B. Q = h A | |
| 4. |
The temperature distribution in a large thin plate with uniform surface temperature will be
|
| A. | Logarithmic |
| B. | Hyperbolic |
| C. | Parabolic |
| D. | Linear |
| Answer» E. | |