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 0.85 0.35 0.55 0.45 0.85 0.35 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer For hot feed, forward feeding as compared to backward feeding results in __________ economy. Decreased No effect on None of these Increased Decreased No effect on None of these Increased ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer __________ heat exchanger is the most suitable, when the temperature of shell side fluid is much higher than that of tube side. None of these U-tube Three pass, fixed tube sheet Single pass, fixed tube sheet None of these U-tube Three pass, fixed tube sheet Single pass, fixed tube sheet ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer jH factor for heat transfer depends upon the __________ number. Reynolds Nusselt Prandtl Biot Reynolds Nusselt Prandtl Biot ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In a single effect evaporator, the economy is < 1 1 > 1 None of these < 1 1 > 1 None of these ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer For shell and tube heat exchanger, with increasing heat transfer area, the purchased cost per unit heat transfer area Remains constant Decreases Passes through a maxima Increases Remains constant Decreases Passes through a maxima Increases ANSWER DOWNLOAD EXAMIANS APP
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