Heat Transfer With increase in temperature, the thermal conductivity of a gas Decreases May increase or decrease depending on the type of gas Increases Remains same Decreases May increase or decrease depending on the type of gas Increases Remains same ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The Stefan-Boltzman constant depends on the Temperature None of these Medium Surface Temperature None of these Medium Surface ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Thickness of thermal boundary layer is more compared to that of hydrodynamic boundary layer, when the value of Prandtl number is > 5 > 1 1 < 1 > 5 > 1 1 < 1 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The equation, (NSt x N2/3Pr) = f/2, is the __________ analogy. Colburn Reynolds Prandtl None of these Colburn Reynolds Prandtl None of these ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Condensing film co-efficient for steam on horizontal tubes ranges from 5000 to 15000 Kcal/hr.m² .°C. Condensation of vapor is carried out inside the tube in a shell and tube heat exchanger, when the Higher condensing film co-efficient is desired Temperature of the incoming vapor is very high Condensate is corrosive in nature Lower pressure drop through the exchanger is desired Higher condensing film co-efficient is desired Temperature of the incoming vapor is very high Condensate is corrosive in nature Lower pressure drop through the exchanger is desired ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which of the following has the minimum thermal conductivity? Steel Nitrogen Carbon black Tar Steel Nitrogen Carbon black Tar ANSWER DOWNLOAD EXAMIANS APP
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