Heat Transfer A hot body will radiate heat most rapidly, if its surface is White & polished Black & rough Black & polished White & rough White & polished Black & rough Black & polished White & rough ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer If Prandtl number is greater than the Schmidt number, then the thermal boundary layer lies inside the concentration boundary layer thermal & concentration boundary layers are of equal thickness concentration boundary layer lies inside the thermal boundary layer none of the listed here thermal boundary layer lies inside the concentration boundary layer thermal & concentration boundary layers are of equal thickness concentration boundary layer lies inside the thermal boundary layer none of the listed here ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer For the same heat load and mass flow rate in the tube side of a shell and tube heat exchanger, one may use multipass on the tube side, because it Decreases the outlet temperature of cooling medium None of these Decreases the pressure drop Increases the overall heat transfer coefficient Decreases the outlet temperature of cooling medium None of these Decreases the pressure drop Increases the overall heat transfer coefficient ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The advantage of using a 1 - 2 shell and tube heat exchanger over a 1 - 1 shell and tube heat exchanger is Lower shell side pressure drop Higher tube side heat transfer co-efficient Lower tube side pressure drop Higher shell side heat transfer co-efficient Lower shell side pressure drop Higher tube side heat transfer co-efficient Lower tube side pressure drop Higher shell side heat transfer co-efficient ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Viscous & heat sensitive liquids are concentrated in __________ evaporators. Open pan None of these Agitated film Long tube Open pan None of these Agitated film Long tube ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Double pipe heat exchangers are preferably useful, when Requirement of heat transfer area is low A corrosive liquid is to be heated Overall heat transfer co-efficient is very high High viscosity liquid is to be cooled Requirement of heat transfer area is low A corrosive liquid is to be heated Overall heat transfer co-efficient is very high High viscosity liquid is to be cooled ANSWER DOWNLOAD EXAMIANS APP
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