Heat and Mass Transfer The unit of Stefan Boltzmann constant is watt/cm2 °K⁴ watt/cm4 °K watt/cm3 °K watt2/cm °K⁴ watt/cm2 °K⁴ watt/cm4 °K watt/cm3 °K watt2/cm °K⁴ ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer The critical temperature is the temperature Above which a gas may explode Above which a gas will never liquefied Below which a gas is always liquefied Below which a gas does not obey gas laws Above which a gas may explode Above which a gas will never liquefied Below which a gas is always liquefied Below which a gas does not obey gas laws ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer The heat of sun reaches to us according to None of these Radiation Conduction Convection None of these Radiation Conduction Convection ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer In convection heat transfer from hot flue gases to water tube, even though flow may be turbulent, a laminar flow region (boundary layer of film) exists close to the tube. The heat transfer through this film takes place by Conduction Both convection and conduction Radiation Convection Conduction Both convection and conduction Radiation Convection ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer Radiation is the process of heat transfer in which heat flows from a ________, in a straight line, without affecting the intervening medium. Cold body to hot body Smaller body to larger body Larger body to smaller body Hot body to cold body Cold body to hot body Smaller body to larger body Larger body to smaller body Hot body to cold body ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer Thermal diffusivity of a substance is Directly proportional to the thermal conductivity Inversely proportional to specific heat All of these Inversely proportional to density of substance Directly proportional to the thermal conductivity Inversely proportional to specific heat All of these Inversely proportional to density of substance ANSWER DOWNLOAD EXAMIANS APP
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