Heat Transfer Presence of a non-condensing gas in a condensing vapour increases the rate of condensation None of the listed here decreases thermal resistance is desirable to increase the film co-efficient increases the rate of condensation None of the listed here decreases thermal resistance is desirable to increase the film co-efficient ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In a single effect evaporator, the economy is < 1 > 1 None of these 1 < 1 > 1 None of these 1 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Heat transfer in the laminar sublayer in case of a liquid flowing through a pipe, is mostly by Conduction Eddies current None of these Convection Conduction Eddies current None of these Convection ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Reason for operating an evaporator in multiple effect is to secure Increased steam economy Decreased steam consumption Both A and B Increased capacity Increased steam economy Decreased steam consumption Both A and B Increased capacity ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The average heat transfer co-efficient for laminar film condensation on vertical surface is inversely proportional to (where, ΔT = Temperature drop across condensate film ) (ΔT)1/4 ΔT (ΔT)2 None of the listed here (ΔT)1/4 ΔT (ΔT)2 None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In case of a supercooled solution, which is on the verge of crystallisation, the free energy of the solution as compared to that of the solid is Less More Same More or less; depends on the nature of solution Less More Same More or less; depends on the nature of solution ANSWER DOWNLOAD EXAMIANS APP
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