Heat Transfer Nusselt number is a function of Prandtl number and __________ number of fluid in natural convection heat transfer. Stantan Reynolds Biot Grashoff Stantan Reynolds Biot Grashoff ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer When does the heat generated by fluid friction becomes appreciable compared to the heat transferred between the fluids? At high fluid velocity None of these At low velocity When fluid flows past a smooth surface At high fluid velocity None of these At low velocity When fluid flows past a smooth surface ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer For what value of Prandtl number, St = f/2? 1.5 1 2 > 1 1.5 1 2 > 1 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Prandtl and Reynold's analogies are identical for Prandtl number value of 1 5 0.5 1 5 0.5 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer With increase in porosity, the thermal conductivity of a solid substance May increase or decrease; depends on the solid Remains unchanged Increases Decreases May increase or decrease; depends on the solid Remains unchanged Increases Decreases ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In a single effect evaporator, the economy is None of these 1 < 1 > 1 None of these 1 < 1 > 1 ANSWER DOWNLOAD EXAMIANS APP
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