Heat and Mass Transfer Film coefficient is defined as Inside diameter of tube Thermal conductivity Molecular diffusivity of momentum Thermal diffusivity Thermal conductivity Equivalent thickness of film Specific heat × Viscosity Equivalent thickness of film Film coefficient × Inside diameter Thermal conductivity Thermal conductivity Molecular diffusivity of momentum Thermal diffusivity Thermal conductivity Equivalent thickness of film Specific heat × Viscosity Equivalent thickness of film Film coefficient × Inside diameter Thermal conductivity ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer In case of liquids and gases, the heat transfer takes place according to Radiation Conduction None of these Convection Radiation Conduction None of these Convection ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer Total emissivity of polished silver compared to black body is Same Higher Very much lower More or less same Same Higher Very much lower More or less same ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer Heat is closely related with Liquids Energy Temperature Entropy Liquids Energy Temperature Entropy ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer The transfer of heat by molecular collision is smallest in Solids Gases Liquids None of these Solids Gases Liquids None of these ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer The total radiation from a black body per second per unit area is ________ fourth power of the absolute temperature. This statement is known as Stefan Boltzmann law. Directly proportional to None of these Equal to Inversely proportional to Directly proportional to None of these Equal to Inversely proportional to ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS