Heat and Mass Transfer The heat of sun reaches to us according to Radiation Conduction None of these Convection Radiation Conduction None of these Convection ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer Free convection flow depends on Gravitational force All of these Density Coefficient of viscosity Gravitational force All of these Density Coefficient of viscosity ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer In heat transfer, conductance equals conductivity (kcal/hr/sq.m/°C/cm) divided by K.cal (heat) °C (temperature) Sq. m (area) Hr (time) K.cal (heat) °C (temperature) Sq. m (area) Hr (time) ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer When heat is transferred by molecular collision, it is referred to as heat transfer by Conduction Scattering Radiation Convection Conduction Scattering Radiation Convection 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) P = 0, x = 0 and a = 1 X = 0, a + p = 1 P=1, x = 0, and a = 0 P = 0, x= 1, and a = 0 P = 0, x = 0 and a = 1 X = 0, a + p = 1 P=1, x = 0, and a = 0 P = 0, x= 1, and a = 0 ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer According to Prevost theory of heat exchange It is impossible to transfer heat from low temperature source to t high temperature source Heat transfer in most of the cases takes place by combination of conduction, convection and radiation All bodies above absolute zero emit radiation Heat transfer by radiation requires no medium It is impossible to transfer heat from low temperature source to t high temperature source Heat transfer in most of the cases takes place by combination of conduction, convection and radiation All bodies above absolute zero emit radiation Heat transfer by radiation requires no medium ANSWER DOWNLOAD EXAMIANS APP
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