Heat and Mass Transfer Stefan Boltzmann law is applicable for heat transfer by Conduction and radiation combined Convection Radiation Conduction Conduction and radiation combined Convection Radiation Conduction ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer Thermal conductivity of water _________ with rise in temperature. May increase or decrease depending upon temperature Remain same Decreases Increases May increase or decrease depending upon temperature Remain same Decreases Increases ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer Unit of thermal conductivity in S.I. units is J/m² sec Option (B) and (C) above W/m °K J/m °K sec J/m² sec Option (B) and (C) above W/m °K J/m °K sec ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer Log mean temperature difference in case of counter flow compared to parallel flow will be More Depends on other factors Same Less More Depends on other factors Same Less ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer Which of the following has maximum value of thermal conductivity? Copper Aluminium Brass Steel Copper Aluminium Brass Steel ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer A designer chooses the values of fluid flow rates and specific heats in such a manner that the heat capacities of the two fluids are equal. A hot fluid enters the counter flow heat exchanger at 100°C and leaves at 60°C. A cold fluid enters the heat exchanger at 40°C. The mean temperature difference between the two fluids is 40°C 66.7°C 20°C 60°C 40°C 66.7°C 20°C 60°C ANSWER DOWNLOAD EXAMIANS APP
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