Heat and Mass Transfer The transfer of heat by molecular collision is known as None of these Radiation Conduction Convection None of these Radiation Conduction Convection ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer Which of the following has maximum value of thermal conductivity? Copper Aluminium Steel Brass Copper Aluminium Steel Brass ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer Thermal conductivity of glass wool varies from sample to sample because of variation in All of these Density Composition Porosity All of these Density Composition Porosity ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer In counter current flow heat exchanger, the logarithmic temperature difference between the fluids is ________ as compared to parallel flow heat exchanger. Same Greater Less None of these Same Greater Less None of these ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer The ratio of the thickness of thermal boundary layer to the thickness of hydrodynamic boundary layer is equal to (Prandtl number) n, where n is equal to 1 -1 =-2/3 =-1/3 1 -1 =-2/3 =-1/3 ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer According to Stefan's law, the total radiation from a black body per second per unit area is proportional to T2 T T5 Absolute temperature T2 T T5 Absolute temperature ANSWER DOWNLOAD EXAMIANS APP
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