Heat Transfer Water always boils when its Saturated vapour pressure is less than the atmospheric pressure Saturated vapour pressure equals the external pressure on its surface Temperature reaches 100° C Vapour pressure equals 76 cm of Hg Saturated vapour pressure is less than the atmospheric pressure Saturated vapour pressure equals the external pressure on its surface Temperature reaches 100° C Vapour pressure equals 76 cm of Hg ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer 1000 kg of wet solids are to be dried from 60% to 20% moisture (by weight). The mass of moisture removed in kg is 520 400 500 200 520 400 500 200 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer A concentric double pipe heat exchanger as compared to the shell and tube heat exchanger for the same heat load requires More space None of these Lower maintenance cost Less heating surface More space None of these Lower maintenance cost Less heating surface ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The Fourier number (defined as a.t/L²) is used in the analysis of problem involving heat transfer by Forced convection Natural convection Steady state conduction Transient conduction Forced convection Natural convection Steady state conduction Transient conduction ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In a single effect evaporator, the economy is 1 > 1 < 1 None of these 1 > 1 < 1 None of these ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Film boiling is usually not desired in commercial equipments, because it is not economic it is difficult to maintain the heat transfer rate is low in view of the large temperature drop. @ none of the listed here it is not economic it is difficult to maintain the heat transfer rate is low in view of the large temperature drop. @ none of the listed here ANSWER DOWNLOAD EXAMIANS APP
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