Heat Transfer Steam economy in case of a triple effect evaporator will be > 1 Between 0 and 1 < 1 1 > 1 Between 0 and 1 < 1 1 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The outlet temperature of cooling water in a heat exchanger is generally not allowed to exceed above 50°C in industrial practice mainly to avoid Its evaporation loss Decrease in heat exchanger efficiency Excessive corrosion Uneconomic LMTD Its evaporation loss Decrease in heat exchanger efficiency Excessive corrosion Uneconomic LMTD 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 Remains unchanged Increases May increase or decrease; depends on the liquid Decreases Remains unchanged Increases ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Heat sensitive materials can be concentrated in an evaporator employing High pressure High residence time Vacuum None of these High pressure High residence time Vacuum None of these ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In a shell and tube heat exchanger, floating head is used for Large temperature differentials High heat transfer co-efficient Less corrosion of tubes Low pressure drop Large temperature differentials High heat transfer co-efficient Less corrosion of tubes Low pressure drop ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Prandtl and Reynold's analogies are identical for Prandtl number value of 0.5 1 5 0.5 1 5 ANSWER DOWNLOAD EXAMIANS APP