Heat transfer in liquid and gases takes place by
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When heat is Transferred by molecular collision, it is referred to as heat transfer by
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Sensible heat is the heat required to
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Heat transfer takes place as per -
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Unit of thermal conductivity in S.I. units is
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When heat is transferred from one particle of hot body to another by actual motion of the heated particles, it is referred to as heat transfer by
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The insulation ability of an insulator with the presence of moisture would
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Which of the following is the case of heat transfer by radiation?
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Cork is a good insulator because it has
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Thermal conductivity of air at room temperature in kcal/m hr °C is of the order of
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The amount of heat flow through a body by conduction is
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According to Stefan's law, the total radiation from a black body per second per unit area is proportional to
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