Heat Transfer Double pipe heat exchangers are used because it occupies less floor area when heat transfer area required is very high because it is less costly when heat transfer area required is very low because it occupies less floor area when heat transfer area required is very high because it is less costly when heat transfer area required is very low ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In case of a multipass shell and tube heat exchanger, providing a baffle on the shell side __________ the heat transfer rate. Does not affect May increase or decrease, depends on the type of baffle Decreases Increases Does not affect May increase or decrease, depends on the type of baffle Decreases Increases ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Circulation pump is located below the evaporater to None of these Create more suction head Avoid frequent priming Avoid cavitation None of these Create more suction head Avoid frequent priming Avoid cavitation ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The thermal radiation emitted by a body is proportional to Tn, where T is its absolute temperature. The value of 'n' is exactly 4 for Polished bodies only A black body Black painted bodies only All bodies Polished bodies only A black body Black painted bodies only All bodies ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The equation, Nst = f/2, is the __________ analogy. Prandtl None of these Reynolds Colburn Prandtl None of these Reynolds Colburn ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In forced convection, the Nusselt number is a function of Re and Gr Pr and Gr Re and Sc Re and Pr Re and Gr Pr and Gr Re and Sc Re and Pr ANSWER DOWNLOAD EXAMIANS APP
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