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According to Prevost theory of heat exchange | |
A. | it is impossible to transfer heat from low temperature source to t high temperature source [Wrong Answer] |
B. | heat transfer by radiation requires no medium [Wrong Answer] |
C. | all bodies above absolute zero emit radiation [Correct Answer] |
D. | heat transfer in most of the cases takes place by combination of conduction, convection and radiation [Wrong Answer] |
E. | rate of heat transfer depends on thermal conductivity and temperature difference. [Wrong Answer] |