Heat Transfer Presence of a non-condensing gas in a condensing vapour None of the listed here increases the rate of condensation decreases thermal resistance is desirable to increase the film co-efficient None of the listed here increases the rate of condensation decreases thermal resistance is desirable to increase the film co-efficient ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In case of __________ boiling, the bubbles formed on a submerged hot surface get absorbed in the mass of the liquid. Nucleate Low pressure Pool None of these Nucleate Low pressure Pool None of these ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In a multipass shell and tube heat exchanger, tube side return pressure loss is equal to __________ the velocity head four times square root of twice none of the listed here four times square root of twice none of the listed here ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Value of Nusselt number [Nu = (hD/k)] for the heat transfer by conduction from a droplet or a spherical particle to a surrounding stagnant film is 2 10 0.5 100 2 10 0.5 100 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer A multiple effect evaporator as compared to a single effect evaporator of the same capacity has Lower steam economy Higher steam economy Higher solute concentration in the product Lower heat transfer area Lower steam economy Higher steam economy Higher solute concentration in the product Lower heat transfer area ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Duhring rule is important in solving problems on Distillation Humidification Crystallisation Evaporation Distillation Humidification Crystallisation Evaporation ANSWER DOWNLOAD EXAMIANS APP