Heat Transfer Analogy between mass and heat transfer is not applicable in case of Viscous heating or chemical reaction Same velocity profile or equal eddy diffusivities Both B and C Thermal or pressure mass diffusion Viscous heating or chemical reaction Same velocity profile or equal eddy diffusivities Both B and C Thermal or pressure mass diffusion ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In SI units, thermal conductivity is expressed in Watt/m². °K Watt/m4. °K Watt/m². °K Watt/m.°K Watt/m². °K Watt/m4. °K Watt/m². °K Watt/m.°K ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Prandtl number is the reciprocal of Thermal diffusivity x Momentum Thermal diffusivity x Mass diffusivity Thermal diffusivity/Momentum diffusivity Mass diffusivity x Momentum diffusivity Thermal diffusivity x Momentum Thermal diffusivity x Mass diffusivity Thermal diffusivity/Momentum diffusivity Mass diffusivity x Momentum diffusivity ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Heat transfer rate per unit area is called heat flux heat transfer co-efficient thermal conductivity thermal diffusivity heat flux heat transfer co-efficient thermal conductivity thermal diffusivity ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Thermal conductivities of most of the liquids __________ with rise in temperature. May increase or decrease; depends on the liquid Decreases Increases Remains unchanged May increase or decrease; depends on the liquid Decreases Increases Remains unchanged ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Dropwise condensation is promoted on a/an __________ surface. Smooth Coated Glazed Oily Smooth Coated Glazed Oily ANSWER DOWNLOAD EXAMIANS APP
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