Heat Transfer Peclet number (Pe) is given by Pe = Pr/Re Pe = Re.Pr Pe = Nu.Re Pe = Re/Pr Pe = Pr/Re Pe = Re.Pr Pe = Nu.Re Pe = Re/Pr 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)2 ΔT (ΔT)1/4 None of the listed here (ΔT)2 ΔT (ΔT)1/4 None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Presence of a non-condensing gas in a condensing vapour is desirable to increase the film co-efficient decreases thermal resistance None of the listed here increases the rate of condensation is desirable to increase the film co-efficient decreases thermal resistance None of the listed here increases the rate of condensation ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Open pan evaporators are preferred to be used, when the solution to be concentrated is Scaling Highly viscous Salty Corrosive Scaling Highly viscous Salty Corrosive 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? Corrosiveness & fouling characteristics Density Pressure Viscosity Corrosiveness & fouling characteristics Density Pressure Viscosity 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 Less heating surface Lower maintenance cost More space None of these Less heating surface Lower maintenance cost ANSWER DOWNLOAD EXAMIANS APP
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