Heat and Mass Transfer The critical radius is the insulation radius at which the resistance to heat flow is Maximum None of these Zero Minimum Maximum None of these Zero Minimum ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer In free convection heat transfer, Nusselt number is function of Grashoff number and Prandtl number Prandtl number and Reynold number Grashoff number and Reynold number Grashoff number, Prandtl number and Reynold number Grashoff number and Prandtl number Prandtl number and Reynold number Grashoff number and Reynold number Grashoff number, Prandtl number and Reynold number ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer The rate of energy emission from unit surface area through unit solid angle, along a normal to the surface, is known as Intensity of radiation Reflectivity Emissivity Transmissivity Intensity of radiation Reflectivity Emissivity Transmissivity ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer Thermal conductivity of non-metallic amorphous solids with decrease in temperature Decreases May increase or decrease depending on temperature Increases Remain constant Decreases May increase or decrease depending on temperature Increases Remain constant ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer The unit of overall coefficient of heat transfer is kcal/m² hr °C kcal/hr °C kcal/m² kcal/m hr °C kcal/m² hr °C kcal/hr °C kcal/m² kcal/m hr °C ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer The process of heat transfer from one particle of the fluid to another by the actual movement of the fluid particles due to difference of density caused by temperature of the particle is known as Forced convection Radiation Conduction Free convection Forced convection Radiation Conduction Free convection ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS