Heat Transfer Low thermal conductivity of heat insulating materials is due to its High proportion of air space Dense structure High specific heat None of these High proportion of air space Dense structure High specific heat 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 Condensate is corrosive in nature Temperature of the incoming vapor is very high Lower pressure drop through the exchanger is desired Higher condensing film co-efficient is desired Condensate is corrosive in nature Temperature of the incoming vapor is very high Lower pressure drop through the exchanger is desired ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Kirchoff s law applies to __________ radiation None of the listed here monochromatic Both total & monochromatic total None of the listed here monochromatic Both total & monochromatic total ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In a shell and tube heat exchanger, the shell side fluid velocity can not be changed by changing the Tube diameter No. of baffles Tube layout Tube pitch Tube diameter No. of baffles Tube layout Tube pitch ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer With increase in temperature, the thermal conductivity of a gas Decreases Remains same May increase or decrease depending on the type of gas Increases Decreases Remains same May increase or decrease depending on the type of gas Increases ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The equation, (NSt x N2/3Pr) = f/2, is the __________ analogy. Prandtl None of these Reynolds Colburn Prandtl None of these Reynolds Colburn ANSWER DOWNLOAD EXAMIANS APP
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