Heat and Mass Transfer Fourier's law of heat conduction gives the heat flow for Nonuniform temperature surfaces Two dimensional cases only Irregular surfaces One dimensional cases only Nonuniform temperature surfaces Two dimensional cases only Irregular surfaces One dimensional cases only ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer The rate of heat flow through a body is Q = [kA (Tâ - Tâ)]/x. The term x/kA is known as Thermal resistance None of these Thermal coefficient Thermal conductivity Thermal resistance None of these Thermal coefficient Thermal conductivity ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer Depending on the radiating properties, a body will be white when(Where a = absorptivity, p = reflectivity, x = transmissivity) X = 0, a + p = 1 P=1, T = 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, T = 0 and a = 0 P = 0, x = 1 and a = 0 P = 0, x = 0 and a = 1 ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer Reynolds number is the ratio of None of these Energy transferred by convection to that by conduction Kinematic viscosity to thermal diffusivity Inertia force to viscous force None of these Energy transferred by convection to that by conduction Kinematic viscosity to thermal diffusivity Inertia force to viscous 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 Directly proportional to the surface area of the body All of these Dependent upon the material of the body Directly proportional to the temperature difference on the two faces of the body Directly proportional to the surface area of the body All of these Dependent upon the material of the body ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer Total heat is the heat required to Convert water into steam and superheat it Change liquid into vapour Increase the temperature of a liquid or vapour Change vapour into liquid Convert water into steam and superheat it Change liquid into vapour Increase the temperature of a liquid or vapour Change vapour into liquid ANSWER DOWNLOAD EXAMIANS APP