Heat and Mass Transfer Heat transfer in liquid and gases takes place by Radiation Conduction Conduction and convection Convection Radiation Conduction Conduction and convection Convection ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer The amount of radiation mainly depends on Nature of body Type of surface of body Temperature of body All of these Nature of body Type of surface of body Temperature of body All 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 0.1 0.02 0.002 0.01 0.1 0.02 0.002 0.01 ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer Free convection flow depends on Coefficient of viscosity All of these Density Gravitational force Coefficient of viscosity All of these Density Gravitational force ANSWER DOWNLOAD EXAMIANS APP
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 All of these Directly proportional to the surface area of the body Directly proportional to the temperature difference on the two faces of the body Dependent upon the material of the body All of these Directly proportional to the surface area of the body ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer Depending on the radiating properties, body will be transparent when(Where a = absorptivity, p = reflectivity, x = transmissivity) X = 0, a + p = 1 P = 0, x = 0 and a = 1 P = 0, x= 1, and a = 0 P=1, x = 0, and a = 0 X = 0, a + p = 1 P = 0, x = 0 and a = 1 P = 0, x= 1, and a = 0 P=1, x = 0, and a = 0 ANSWER DOWNLOAD EXAMIANS APP