Heat and Mass Transfer The emissivity for a black body is 0.5 0.75 1 0.5 0.75 1 ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer Two plates spaced 150 mm apart are maintained at 1000°C and 70°C. The heat transfer will take place mainly by Convection Free convection Forced convection Radiation Convection Free convection Forced convection Radiation ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer Thermal conductivity of water _________ with rise in temperature. Remain same Increases Decreases May increase or decrease depending upon temperature Remain same Increases Decreases May increase or decrease depending upon temperature ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer Heat is closely related with Temperature Energy Entropy Liquids Temperature Energy Entropy Liquids ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer Upto the critical radius of insulation, Convective heat loss will be less than conductive heat loss Added insulation will decrease heat loss Added insulation will increase heat loss Heat flux will decrease Convective heat loss will be less than conductive heat loss Added insulation will decrease heat loss Added insulation will increase heat loss Heat flux will decrease ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer The unit of Stefan Boltzmann constant is watt2/cm °K⁴ watt/cm4 °K watt/cm2 °K⁴ watt/cm3 °K watt2/cm °K⁴ watt/cm4 °K watt/cm2 °K⁴ watt/cm3 °K ANSWER DOWNLOAD EXAMIANS APP
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