Heat Transfer In an extended surface heat exchanger, fluid having lower co-efficient Should not be used as it gives very high pressure drop Can flow either inside or outside the tubes Flows outside the tubes Flows through the tube Should not be used as it gives very high pressure drop Can flow either inside or outside the tubes Flows outside the tubes Flows through the tube ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer A hot body will radiate heat most rapidly, if its surface is Black & polished White & polished Black & rough White & rough Black & polished White & polished Black & rough White & rough ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In a backward feed multiple effect evaporator Feed flows from low pressure to high pressure Feed is introduced in the first effect No pumps are required between successive effects None of these Feed flows from low pressure to high pressure Feed is introduced in the first effect No pumps are required between successive effects None of these ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer At what value of Prandtl number, conduction is negligible in the turbulent core of a fluid flowing through a heated pipe? > 0.6 0.5 < 0.5 < 0.1 > 0.6 0.5 < 0.5 < 0.1 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In which mode of heat transfer, the Biot number is important? Natural convection Forced convection Radiation Transient heat conduction Natural convection Forced convection Radiation Transient heat conduction ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer An ejector is used to Remove condensate None of these Increase pressure Increase temperature Remove condensate None of these Increase pressure Increase temperature ANSWER DOWNLOAD EXAMIANS APP