Heat Transfer Film boiling is usually not desired in commercial equipments, because none of the listed here the heat transfer rate is low in view of the large temperature drop. @ it is not economic it is difficult to maintain none of the listed here the heat transfer rate is low in view of the large temperature drop. @ it is not economic it is difficult to maintain ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which area is used in case of heat flow by conduction through a cylinder ? Arithmetic mean area None of the listed here Geometric mean area Logarithmic mean area Arithmetic mean area None of the listed here Geometric mean area Logarithmic mean area ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Dropwise condensation of steam on cooling surface is promoted When both the steam and the tube are clean An oily surface None of these Only in presence of air When both the steam and the tube are clean An oily surface None of these Only in presence of air ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer A backward feed multiple effect evaporator is better than forward feed for concentrating cold feed, because it provides Lower economy Both A & B Higher economy Lower capacity Lower economy Both A & B Higher economy Lower capacity ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer A concentric double pipe heat exchanger as compared to the shell and tube heat exchanger for the same heat load requires Less heating surface Lower maintenance cost More space None of these Less heating surface Lower maintenance cost More space None of these ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Corrosiveness of steam condensate is due to the presence of Both A & B Neither A nor B Dissolved O₂ CO₂ Both A & B Neither A nor B Dissolved O₂ CO₂ ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS