Mass Transfer When both the fluids flow concurrently in an absorber, the slope of the operating line is + ve - ve -1 1 + ve - ve -1 1 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Back-trapping in a distillation column Is desirable, as it provides improved vapour-liquid contact Reduces pressure drop Decreases tray efficiency Increases tray efficiency Is desirable, as it provides improved vapour-liquid contact Reduces pressure drop Decreases tray efficiency Increases tray efficiency ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer For water-ethanol system, the minimum reflux ratio Cannot be computed Is computed from the intercept of the operating line Is computed from the slope of the upper operating line that is tangent to the equilibrium curve Is the optimum reflux ratio Cannot be computed Is computed from the intercept of the operating line Is computed from the slope of the upper operating line that is tangent to the equilibrium curve Is the optimum reflux ratio ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Heat load in a cooling tower Both A & B Neither A nor B Is equal to the number of kg, of water circulated times the cooling range Means the amount of heat thrown away (KCal/hr.) by the cooling tower Both A & B Neither A nor B Is equal to the number of kg, of water circulated times the cooling range Means the amount of heat thrown away (KCal/hr.) by the cooling tower ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Fenske-Underwood equation used for calculating the minimum number of theoretical plates in distillation column is valid for Total reflux All of these Constant molal overflow Constant relative volatility Total reflux All of these Constant molal overflow Constant relative volatility ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following employs an accessory known as 'drift eliminator' ? Mechanical draft cooling tower Rotating disc contactor Multiple effect evaporator Rotary dryer Mechanical draft cooling tower Rotating disc contactor Multiple effect evaporator Rotary dryer ANSWER DOWNLOAD EXAMIANS APP
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