Mass Transfer - Part 1 Online Exam Quiz
Mass Transfer - Part 1 GK Quiz. Question and Answers related to Mass Transfer - Part 1. MCQ (Multiple Choice Questions with answers about Mass Transfer - Part 1
Mass transfer rate between two fluid phases does not necessarily depend on the __________ of the two phases.
Options
A : chemical properties
B : physical properties
C : degree of turbulence
D : interfacial area
In a solution containing 0.30 Kg mole of solute and 600 kg of solvent, the molality is
Options
A : 0.50
B : 0.60
C : 2
D : 1
Fenske equation determines the
Options
A : maximum number of ideal plates.
B : height of the distillation column.
C : minimum number of theoretical plates.
D : optimum reflux ratio.
The term "cooling range" in a cooling tower refers to the difference in the temperature of
Options
A : cold water leaving the tower and the wet bulb temperature of the surrounding air.
B : hot water entering the tower and the wet bulb temperature of the surrounding air.
C : hot water entering the tower and the cooled water leaving the tower.
D : none of these
Which of the following is the most suitable for extraction in a system having very low density difference ?
Options
A : Mixer-settler extractor
B : Centrifugal extractor
C : Pulsed extractor
D : Packed extraction tower
Total reflux in a distillation operation requires minimum
Options
A : reboiler load
B : number of plates
C : condenser load
D : all (a), (b) and (c)
The amount of steam required per unit quantity of distillate in case of steam distillation will be reduced by
Options
A : raising the temperature.
B : lowering the total pressure.
C : both (a) and (b).
D : neither (a) nor (b).
The difference of wet bulb temperature and adiabatic saturation temperature of unsaturated mixture of any system is
Options
A : +ve
B : -ve
C : zero
D : none of these
Fenske's equation for determining the minimum number of theoretical stages in distillation column holds good, when the
Options
A : relative volatility is reasonably constant.
B : mixture (to be separated) shows negative deviation from ideality.
C : mixture (to be separated) shows positive deviation from ideality.
D : multicomponent distillation is involved.
When the temperature and humidity of air is low, we usually use __________ draft cooling tower.
Options
A : natural
B : forced
C : induced
D : none of these
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