EXAMIANS
The total radiation from a black body per second per unit area is ________ fourth power of the absolute temperature. This statement is known as Stefan Boltzmann law.
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The transfer of heat by molecular collision is known as
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An ordinary passenger aircraft requires a cooling system of capacity.
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Thermal conductivity of air with rise in temperature
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Free convection flow depends on
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Heat conducted through per unit area and unit thick face per unit time when temperature difference between opposite faces is unity, is called
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Thermal diffusivity of a substance is
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According to Stefan Boltzmann law, ideal radiators emit radiant energy at a rate proportional to
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When heat is transferred from hot body to cold body, in a straight line, without affecting the intervening medium, it is referred as heat transfer by
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The ratio of surface convection resistance to the internal conduction resistance is known as
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