Heat Transfer For condensation of pure vapors, if the heat transfer co-efficients in filmwise and drop-wise condensation are respectively hf and hd, then hf could be greater or smaller than hd hf > hd hf = hd hf < hd hf could be greater or smaller than hd hf > hd hf = hd hf < hd ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Presence of a non-condensing gas in a condensing vapour None of the listed here decreases thermal resistance increases the rate of condensation is desirable to increase the film co-efficient None of the listed here decreases thermal resistance increases the rate of condensation is desirable to increase the film co-efficient ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Nucleate boiling is promoted On rough surfaces On polished surfaces In the absence of agitation None of these On rough surfaces On polished surfaces In the absence of agitation None of these ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which of the following parameters of the fluid is not very important, while deciding its route in a shell and tube heat exchanger? Density Viscosity Pressure Corrosiveness & fouling characteristics Density Viscosity Pressure Corrosiveness & fouling characteristics ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which characteristic of a fluid is not important in deciding its route in a shell and tube heat exchanger? Fouling characteristic Viscosity None of these Corrosiveness Fouling characteristic Viscosity None of these Corrosiveness ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Steam is routed through the tube in case of a __________ evaporator. Horizontal tube Short tube vertical Basket type Long tube vertical Horizontal tube Short tube vertical Basket type Long tube vertical ANSWER DOWNLOAD EXAMIANS APP
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