Mass Transfer MCQs

0.54

1.04

1.24

1.94

At ground level

2 metres above the ground

5 metres above ground

10 metres above ground

Centrifugal

Packed

Plate

None of these

Packed column (with stacked packing)

Packed column (with dumped packing)

Bubble plate column

Pulse column

Provides poorer contact between the fluids

Gives lower pressure drop

Both A & B

Gives higher pressure drop

Transfer of molecules from low concentration to high concentration region

Thermal energy of the molecules

Activation energy of the molecules

Potential energy of the molecules

1

8

9

10

Low reflux ratio

Less number of trays

Small cross-section column

High reflux ratio

Individual mass transfer co-efficient (M.T.C.) in gaseous system

M.T.of individual components in a liquid-liquid system

M.T.of liquid in liquid-gas system

The overall M.T.of the system

Solid dispersed in liquid

Solid dispersed in gas

Liquid dispersed in gas

Gas dispersed in liquid