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Q. |
The face temperatures of a flat wall are 650?C and 450?C respectively and the thermal conductivity of wall material is 0.30 kcal/m-hr-?C. For a wall thickness of 20 cm, the rate of heat conduction per square meter of wall area will be |
A. | 37,500 kg |
B. | 300 kcal/hr |
C. | 600 kcal/hr |
D. | 3000 kcal/hr |
E. | 150 kcal/hr |
Answer» B. 300 kcal/hr |
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