Heat Transfer A dephlegmator is a Partial condenser Vacuum evaporator Total condenser Double pipe heat exchanger Partial condenser Vacuum evaporator Total condenser Double pipe heat exchanger ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer At what value of Prandtl number, the hydrodynamic and thermal boundary layers are identical? 1.5 80 0.5 1 1.5 80 0.5 1 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Out of 100 kcal/second of incident radiant energy on the surface of a thermally transparent body, 300 kcal/second is reflected back. If the transmissivity of the body is 0.25, the emissivity of the surface will be 0.55 0.45 0.35 0.85 0.55 0.45 0.35 0.85 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Heat transfer by conduction results due to the transfer of free electrons, kinetic energy & vibrational energy from one molecule to another. Conduction heat transfer can not take place Between two bodies in physical contact with each other Both B & C From one part of a body to the another part of the same body Between two bodies not in physical contact with each other Between two bodies in physical contact with each other Both B & C From one part of a body to the another part of the same body Between two bodies not in physical contact with each other ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The inside heat transfer co-efficient in case of turbulent flow of liquid in the tube side in a 1-2 shell and tube heat exchanger is increased by __________ times, when the number of tube passes is increased to 8. 40.8 40.4 20.8 20.4 40.8 40.4 20.8 20.4 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Heat exchanger tubes are never made of Plain carbon steel Lead Copper Stainless steel Plain carbon steel Lead Copper Stainless steel ANSWER DOWNLOAD EXAMIANS APP
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