Heat and Mass Transfer Stefan Boltzmann law is applicable for heat transfer by Conduction Convection Radiation Conduction and radiation combined Conduction Convection Radiation Conduction and radiation combined ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer The thermal diffusivities for gases are generally More than those for liquids More than those for solids Dependent on the viscosity Less than those for liquids More than those for liquids More than those for solids Dependent on the viscosity Less than those for liquids ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer Fouling factor is used In case of Newtonian fluids When a liquid exchanges heat with a gas In heat exchanger design as a safety factor None of these In case of Newtonian fluids When a liquid exchanges heat with a gas In heat exchanger design as a safety factor None of these ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer The unit of Stefan Boltzmann constant is watt/cm2 °K⁴ watt/cm3 °K watt/cm4 °K watt2/cm °K⁴ watt/cm2 °K⁴ watt/cm3 °K watt/cm4 °K watt2/cm °K⁴ ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer When heat is transferred from hot body to cold body, in a straight line, without affecting the intervening medium, it is referred as heat transfer by Conduction and convection Conduction Radiation Convection Conduction and convection Conduction Radiation Convection ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer Unit of thermal conductivity in M.K.S. units is K calm/hr °C K cal m/hr m² °C K cal/kg m² °C K cal/hr m² °C K calm/hr °C K cal m/hr m² °C K cal/kg m² °C K cal/hr m² °C ANSWER DOWNLOAD EXAMIANS APP
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