Heat Transfer The absorptivity of a body is equal to its emissivity at a particular temperature for circular bodies under thermal equilibrium none of the listed here at a particular temperature for circular bodies under thermal equilibrium none of the listed here ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer For condensation of pure vapors, if the heat transfer co-efficients in filmwise and drop-wise condensation are respectively hf and hd, then hf could be greater or smaller than hd hf > hd hf < hd hf = hd hf could be greater or smaller than hd hf > hd hf < hd hf = hd ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Log mean temperature difference (LMTD) cannot be used, if the heat capacity is not constant and there is a phase change. heat transfer co-efficient over the entire heat exchanger is not constant none of the listed here there exists an unsteady state the heat capacity is not constant and there is a phase change. heat transfer co-efficient over the entire heat exchanger is not constant none of the listed here there exists an unsteady state ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The actual temperature drop across the heating surface of an evaporator depends on the Liquid depth over the heating surface Solution being evaporated Pressure difference between the steam chest and the vapor space above the boiling liquid All of these Liquid depth over the heating surface Solution being evaporated Pressure difference between the steam chest and the vapor space above the boiling liquid All of these ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Heat transfer co-efficient (h1) for liquids increases with None of these Increasing temperature Decreasing Reynolds number Decreasing temperature None of these Increasing temperature Decreasing Reynolds number Decreasing temperature ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In natural convection heat transfer, the correlating parameter is the Eckert number Bond number Graetz number Grashoff number Eckert number Bond number Graetz number Grashoff number ANSWER DOWNLOAD EXAMIANS APP
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