Mass Transfer As the reflux ratio increases, the slope of the operating line for rectifying section Data insufficient, cannot be predicted Decreases Increases Remains constant Data insufficient, cannot be predicted Decreases Increases Remains constant ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer During constant rate drying period, vaporisation rate per unit drying surface area Does not affect the moisture content of the wet solid Does not change with time Increases with time Decreases with time Does not affect the moisture content of the wet solid Does not change with time Increases with time Decreases with time ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer For a binary mixture with low relative volatility, Use high pressure distillation An azeotrope may be formed during distillation Use molecular distillation Use steam distillation Use high pressure distillation An azeotrope may be formed during distillation Use molecular distillation Use steam distillation ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In distillation where q is defined as the moles of liquid flow in the stripping section per mole of feed introduced, for saturated liquid feed q = 1 q = 0 q > 1 q < 1 q = 1 q = 0 q > 1 q < 1 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Inside the distillation column, the None of these Driving force for the vapour flow is the pressure drop Pressure increases gradually from bottom to the top of the column Liquids are not always at their bubble points None of these Driving force for the vapour flow is the pressure drop Pressure increases gradually from bottom to the top of the column Liquids are not always at their bubble points ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In gas-liquid contact operation, the number of ideal stages, N = (xa - xb)/(xb - x*b) . This is true when the stripping factor 'S' is S < 1 S = ∞ S = 1 S > 1 S < 1 S = ∞ S = 1 S > 1 ANSWER DOWNLOAD EXAMIANS APP
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