Mass Transfer The value of L/mG ratio for economical absorption operation ranges from 0.5 to 0.8 0.8 to 1.2 2.5 to 3.5 1.25 to 2.0 0.5 to 0.8 0.8 to 1.2 2.5 to 3.5 1.25 to 2.0 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Dry bulb temperature of unsaturated air is more than its __________ temperature. Dew point Both A & B Wet bulb Neither A nor B Dew point Both A & B Wet bulb Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer For a fixed number of ideal stages in a distillation column, as the reflux ratio is increased, the difference in composition between the top and bottom product streams Increases Passes through a maximum Decreases Remains unaffected Increases Passes through a maximum Decreases Remains unaffected ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Penetration theory relates the average mass transfer co-efficient (K) with diffusivity (D) as K ∝ √D K ∝ D1.5 K ∝ D K ∝ D2 K ∝ √D K ∝ D1.5 K ∝ D K ∝ D2 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following provides maximum contact surface for a liquid-vapour system? Bubble-cap plate column Seive-plate column Wetted wall column Packed tower Bubble-cap plate column Seive-plate column Wetted wall column Packed tower 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
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