

MCQOPTIONS
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1. |
The relationship between the rate of heat transfer per unit area ( dot{q}_s )=-(k T). Where, k is a scalar value of thermal conductivity and T is the gradient of temperature. Which of these following is wrong according to the above equation? |
A. | Heat transfer is different in different directions |
B. | The rate of heat transfer depends upon the temperature gradient |
C. | Heat transfer is in the opposite direction of increasing temperature |
D. | k is the proportionality constant |
Answer» B. The rate of heat transfer depends upon the temperature gradient | |