Heat Transfer For turbulent flow in a tube, the heat transfer co-efficient is obtained from the Dittus-Boelter correlation. If the tube diameter is halved and the flow rate is doubled, then the heat transfer co-efficient will change by a factor of 6.1 37 1.74 1 6.1 37 1.74 1 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In a forward feed multiple effect evaporator unit None of these Transfer from effect to effect is done by pumps No pump is required to withdraw the product from the last effect Viscosity of liquid is highest in first effect None of these Transfer from effect to effect is done by pumps No pump is required to withdraw the product from the last effect Viscosity of liquid is highest in first effect ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer With increase in temperature, the thermal conductivity of most liquids Remains same Increases Decreases First increases upto a certain temperature and then becomes constant Remains same Increases Decreases First increases upto a certain temperature and then becomes constant ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer jH factor for heat transfer depends upon the __________ number. Nusselt Biot Prandtl Reynolds Nusselt Biot Prandtl Reynolds ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Double pipe heat exchangers are used because it occupies less floor area when heat transfer area required is very low because it is less costly when heat transfer area required is very high because it occupies less floor area when heat transfer area required is very low because it is less costly when heat transfer area required is very high ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The equation, (NSt x N2/3Pr) = f/2, is the __________ analogy. Prandtl None of these Reynolds Colburn Prandtl None of these Reynolds Colburn ANSWER DOWNLOAD EXAMIANS APP
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