Mass Transfer Mass transfer co-efficient varies as DAB0.5, according to the __________ theory. Film Penetration Surface renewal None of these Film Penetration Surface renewal None of these ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer During dehumidification of unsaturated air wet bulb temperature & partial pressure of vapor are not constant. However, during evaporative cooling process with recirculated water supply, the __________ remains constant. None of these Wet bulb temperature Relative humidity Partial pressure of water vapor None of these Wet bulb temperature Relative humidity Partial pressure of water vapor ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The main reason for dividing a tall packed tower into series of small towers is to Minimise the overall pressure drop Avoid channeling Avoid flooding Reduce liquid hold up Minimise the overall pressure drop Avoid channeling Avoid flooding Reduce liquid hold up ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Stacked packing compared to dumped packing Gives higher pressure drop Gives lower pressure drop Both A & B Provides poorer contact between the fluids Gives higher pressure drop Gives lower pressure drop Both A & B Provides poorer contact between the fluids ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Humidity chart is useful for the solution of problems concerning condensation, vaporisation and air conditioning. At a given dry bulb temperature, value of humidity obtained from the humidity chart directly, is in terms of __________ humidity. Relative Percentage None of these Molal Relative Percentage None of these Molal ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The reason for preferring packed towers over plate towers in distillation practice is that the packed tower operation gives Low pressure drop and high hold up High pressure drop and high hold up Low pressure drop and low hold up High pressure drop and low hold up Low pressure drop and high hold up High pressure drop and high hold up Low pressure drop and low hold up High pressure drop and low hold up ANSWER DOWNLOAD EXAMIANS APP
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