Heat Transfer While the total emissivity of a perfect black body is unity, the same for a real body is between 0 and 1 1 >1 0 between 0 and 1 1 >1 0 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Water is normally used as a coolant in the heat exchange equipments mainly because ofits High fluidity Low viscosity Low density Abundance & high heat capacity High fluidity Low viscosity Low density Abundance & high heat capacity ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer For a cold dilute feed to produce thick viscous liquor, backward feeding as compared to forward feeding results in Increased economy No effect on economy Lower capacity Decreased economy Increased economy No effect on economy Lower capacity Decreased economy ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Nusselt number is the ratio of the temperature gradient at the wall to That across the entire pipe None of these Temperature difference Heat flux That across the entire pipe None of these Temperature difference Heat flux ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer A multiple effect evaporator has a capacity to process 4000 kg of solid caustic soda per day, when it is concentrating from 10% to 25% solids. The water evaporated in kg per day is 48000 6000 24000 60000 48000 6000 24000 60000 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 Remains unchanged Decreases Increases May increase or decrease; depends on the liquid Remains unchanged Decreases Increases ANSWER DOWNLOAD EXAMIANS APP
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