Heat and Mass Transfer The rate of energy emission from unit surface area through unit solid angle, along a normal to the surface, is known as Intensity of radiation Transmissivity Reflectivity Emissivity Intensity of radiation Transmissivity Reflectivity Emissivity ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer Sensible heat is the heat required to Increase the temperature of a liquid of vapour Convert water into steam and superheat it Change vapour into liquid Change liquid into vapour Increase the temperature of a liquid of vapour Convert water into steam and superheat it Change vapour into liquid Change liquid into vapour ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer In case of liquids and gases, the heat transfer takes place according to Radiation Conduction Convection None of these Radiation Conduction Convection None of these ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer Thermal conductivity of air at room temperature in kcal/m hr °C is of the order of 0.02 0.1 0.01 0.002 0.02 0.1 0.01 0.002 ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer The product of Reynolds number and Prandtl number is known as Grashoff number Stanton number Peclet number Biot number Grashoff number Stanton number Peclet number Biot number ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer The critical temperature is the temperature Below which a gas does not obey gas laws Above which a gas will never liquefied Below which a gas is always liquefied Above which a gas may explode Below which a gas does not obey gas laws Above which a gas will never liquefied Below which a gas is always liquefied Above which a gas may explode ANSWER DOWNLOAD EXAMIANS APP