Heat Transfer In an extended surface heat exchanger, fluid having lower co-efficient Should not be used as it gives very high pressure drop Flows outside the tubes Flows through the tube Can flow either inside or outside the tubes Should not be used as it gives very high pressure drop Flows outside the tubes Flows through the tube Can flow either inside or outside the tubes ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer When does the heat generated by fluid friction becomes appreciable compared to the heat transferred between the fluids? At low velocity When fluid flows past a smooth surface At high fluid velocity None of these At low velocity When fluid flows past a smooth surface At high fluid velocity None of these ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The overall resistance for heat transfer through a series of flat resistance, is the __________ of the resistances. Average Sum Product Geometric mean Average Sum Product Geometric mean ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which of the following is the most controlling factor for the rate of bubble detachment from the hot solid surface? Interfacial tension Hot surface temperature Liquid viscosity Liquid density Interfacial tension Hot surface temperature Liquid viscosity Liquid density ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer A dephlegmator is a Partial condenser Double pipe heat exchanger Vacuum evaporator Total condenser Partial condenser Double pipe heat exchanger Vacuum evaporator Total condenser ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer 1000 kg of wet solids are to be dried from 60% to 20% moisture (by weight). The mass of moisture removed in kg is 520 200 500 400 520 200 500 400 ANSWER DOWNLOAD EXAMIANS APP
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