Heat and Mass Transfer The amount of heat flow through a body by conduction is Directly proportional to the temperature difference on the two faces of the body Dependent upon the material of the body Directly proportional to the surface area of the body All of these Directly proportional to the temperature difference on the two faces of the body Dependent upon the material of the body Directly proportional to the surface area of the body All of these ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer Thermal conductivity of water in general with rise in temperature Remain constant May increase or decrease depending on temperature Decreases Increases Remain constant May increase or decrease depending on temperature Decreases Increases ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer Depending on the radiating properties, a body will be black when (Where a = absorptivity, p = reflectivity, X = transmissivity.) X = 0, a + p = 0 P = 0, x = 0 and a = 1 P= 1, T = 0 and a = 0 P = 0, x = 1 and a = 0 X = 0, a + p = 0 P = 0, x = 0 and a = 1 P= 1, T = 0 and a = 0 P = 0, x = 1 and a = 0 ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer Free convection flow depends on Density Gravitational force Coefficient of viscosity All of these Density Gravitational force Coefficient of viscosity All of these ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer Unit of thermal diffusivity is kcal/m² hr m²/hr °C kcal/m. hr °C m²/hr kcal/m² hr m²/hr °C kcal/m. hr °C m²/hr ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer The radiation emitted by a black body is known as All of these Total radiation Black radiation Full radiation All of these Total radiation Black radiation Full radiation ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS