Heat Transfer For __________ Prandtl number values, the heat conduction will be negligible in the buffer zone. Low No Extremely low High Low No Extremely low High ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In sub-cooled boiling, Bubbles from heating surface are absorbed by the mass of the liquid Temperature of the heating surface is more than the boiling point of the liquid Temperature of the heating surface is less than the boiling point of the liquid Very large vapour space is necessary Bubbles from heating surface are absorbed by the mass of the liquid Temperature of the heating surface is more than the boiling point of the liquid Temperature of the heating surface is less than the boiling point of the liquid Very large vapour space is necessary ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In case of a vertical tube evaporator, with increase in the liquor level, the __________ is increased. Liquor-film co-efficient Neither A and B Velocity of circulation Both A and B Liquor-film co-efficient Neither A and B Velocity of circulation Both A and B ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Fourier's law applies to the heat transfer by convection None of the listed here conduction radiation convection None of the listed here conduction radiation ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In a shell and tube heat exchanger, the tube side heat transfer co-efficient just at the entrance of the tube is Infinity None of these Same as average heat transfer co-efficient for tube side Zero Infinity None of these Same as average heat transfer co-efficient for tube side Zero ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In a heat exchanger, one transfer unit means The size of the exchanger in which heat transfer rate is 1 kcal/hr None of these Both A and B A section of the exchanger in which change in temperature of one stream equals the average driving force in the section The size of the exchanger in which heat transfer rate is 1 kcal/hr None of these Both A and B A section of the exchanger in which change in temperature of one stream equals the average driving force in the section ANSWER DOWNLOAD EXAMIANS APP