Heat Transfer Prandtl number is the reciprocal of Thermal diffusivity x Momentum Mass diffusivity x Momentum diffusivity Thermal diffusivity x Mass diffusivity Thermal diffusivity/Momentum diffusivity Thermal diffusivity x Momentum Mass diffusivity x Momentum diffusivity Thermal diffusivity x Mass diffusivity Thermal diffusivity/Momentum diffusivity ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In a forward feed multiple effect evaporator, the pressure is Dependent on the number of effects Lowest in last effect Highest in last effect Same in all effects Dependent on the number of effects Lowest in last effect Highest in last effect Same in all effects ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which of the following is the most widely used heat insulating material for pipelines carrying steam? Tar dolomite bricks followed by asbestos Cotton followed by aluminium foil 85% magnesia cement and glass wool Fireclay refractory followed by aluminium sheet Tar dolomite bricks followed by asbestos Cotton followed by aluminium foil 85% magnesia cement and glass wool Fireclay refractory followed by aluminium sheet ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Heat transfer in the laminar sublayer in case of a liquid flowing through a pipe, is mostly by Conduction Eddies current None of these Convection Conduction Eddies current None of these Convection ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer A black body does not __________ radiation. Both B & C Refract Reflect Absorb or emit Both B & C Refract Reflect Absorb or emit ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Analogy between mass and heat transfer is not applicable in case of Thermal or pressure mass diffusion Both B and C Same velocity profile or equal eddy diffusivities Viscous heating or chemical reaction Thermal or pressure mass diffusion Both B and C Same velocity profile or equal eddy diffusivities Viscous heating or chemical reaction ANSWER DOWNLOAD EXAMIANS APP
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