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 ) None of the listed here ΔT (ΔT)1/4 (ΔT)2 None of the listed here ΔT (ΔT)1/4 (ΔT)2 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which of the following has the highest thermal conductivity ? Black Water Silver Air Black Water Silver Air ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In case of heat flow by conduction for a cylindrical body with an internal heat source, the nature of temperature distribution is Hyperbolic Linear Parabolic None of these Hyperbolic Linear Parabolic None of these ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In a shell and tube heat exchanger, the tube side heat transfer co-efficient just at the entrance of the tube is Same as average heat transfer co-efficient for tube side Zero None of these Infinity Same as average heat transfer co-efficient for tube side Zero None of these Infinity ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Leidenfrost point is a term concerned with the Concentration of a corrosive solution by evaporation Condensation of the saturated vapor on a cold surface Heat transfer between two highly viscous liquids Boiling of a liquid on a hot surface Concentration of a corrosive solution by evaporation Condensation of the saturated vapor on a cold surface Heat transfer between two highly viscous liquids Boiling of a liquid on a hot surface ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Walls of a cubical oven are of thickness l, and they are made of material of thermal conductivity k. The temperature inside the oven is 100°C and the inside heat transfer co-efficient is 3k/l. If the wall temperature on the outside is held at 25°C, what is the inside wall temperature in degree centigrade? 48.25 81.25 43.75 35.5 48.25 81.25 43.75 35.5 ANSWER DOWNLOAD EXAMIANS APP
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