Mass Transfer Stacked packing compared to dumped packing Both A & B Gives lower pressure drop Provides poorer contact between the fluids Gives higher pressure drop Both A & B Gives lower pressure drop Provides poorer contact between the fluids Gives higher pressure drop ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following gas-liquid contacting devices incurs the least pressure drop for a particular duty? Perforated tray tower Wetted wall tower Grid tray tower Bubble cap tower Perforated tray tower Wetted wall tower Grid tray tower Bubble cap tower ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Critical humidity of a solid salt means the humidity Above Which it will always become dry and below which it will always stay damp Above which it will always become damp Both A and B Below which it will always stay dry Above Which it will always become dry and below which it will always stay damp Above which it will always become damp Both A and B Below which it will always stay dry ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The adiabatic saturation curve for a vapour-gas mixture is None of these Straight line Slightly concave downward Slightly concave upward None of these Straight line Slightly concave downward Slightly concave upward ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Acetone is to be removed from air in an isothermal dilute absorber using pure water as solvent. The incoming air contains 5 mole% of acetone (yin = 0.05). The design equation to be used for obtaining the number of trays (N) of the absorber is, N+2 = 6 log (yin/yout).For 98% recovery of acetone, the number of trays required is/are 1 8 10 9 1 8 10 9 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer During sensible cooling process Wet bulb temperature decreases Relative humidity increases Both B and C Relative humidity decreases Wet bulb temperature decreases Relative humidity increases Both B and C Relative humidity decreases ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS