Heat Transfer The absorptivity of a grey body at a given temperature __________ with increasing wavelength of radiation. May increase or decrease ; depends on the material Decreases Remains constant Increases May increase or decrease ; depends on the material Decreases Remains constant Increases ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The unit of heat transfer co-efficient in SI unit is W/m°K J/M2°K W/m2°K J/m°K W/m°K J/M2°K W/m2°K J/m°K ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer A dephlegmator is a Vacuum evaporator Double pipe heat exchanger Partial condenser Total condenser Vacuum evaporator Double pipe heat exchanger Partial condenser Total condenser ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The number of kg vaporised per kg of steam fed to the evaporator is defined as Rate of evaporation Capacity Economy Rate of vaporisation Rate of evaporation Capacity Economy Rate of vaporisation ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer For turbulent flow in a tube, the heat transfer co-efficient is obtained from the Dittus-Boelter correlation. If the tube diameter is halved and the flow rate is doubled, then the heat transfer co-efficient will change by a factor of 1.74 6.1 37 1 1.74 6.1 37 1 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer A __________ evaporator employs an annular downtake. Horizontal None of these Long tube vertical Basket type Horizontal None of these Long tube vertical Basket type ANSWER DOWNLOAD EXAMIANS APP
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