Mass Transfer Only small amount of evaporation of water produces large cooling effects because of its Small latent heat Low viscosity Large latent heat None of these Small latent heat Low viscosity Large latent heat None of these ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer If Rm is the minimum reflux ratio, the optimum reflux ratio may be around __________ Rm. 3 to 4 5 1.2 to 1.5 2.5 to 3 3 to 4 5 1.2 to 1.5 2.5 to 3 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer According to Chilton-Colburn analogy for mass transfer, NSt.NSc2/3 is equal to F 2f F/2 1/f F 2f F/2 1/f ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Flooding results in Low tray efficiency Good contact between the fluids High tray efficiency High gas velocity Low tray efficiency Good contact between the fluids High tray efficiency High gas velocity 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 High pressure drop and high hold up Low pressure drop and low hold up Low pressure drop and high hold up High pressure drop and low hold up High pressure drop and high hold up Low pressure drop and low hold up Low pressure drop and high hold up High pressure drop and low hold up ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer For the same process conditions, the reflux ratio of an unlagged distillation column Increases in winter Decreases in winter Increases in summer None of these Increases in winter Decreases in winter Increases in summer None of these ANSWER DOWNLOAD EXAMIANS APP