Mass Transfer

A. Individual mass transfer co-efficient (M.T.C.) in gaseous system
B. M.T.C. of individual components in a liquid-liquid system
C. M.T.C. of liquid in liquid-gas system
D. The overall M.T.C. of the system

A. Rapid absorption rates and good heat transfer characteristics
B. Improved flooding characteristics
C. Low pressure drop on pumg
D. All A., B. and C.

A. Gas side mass transfer co-efficient should be increased
B. Liquid side mass transfer co-efficient should be increased
C. Liquid side mass transfer co-efficient should be decreased
D. Mass transfer co-efficient must be kept constant

A. Allowable liquid velocity
B. Allowable gas velocity
C. Allowable gas and liquid velocities
D. Feed composition

A. Selectivity index
B. Relative volatility
C. Absorption factor
D. Murphree efficiency

A. Affected more by temperature than that for gases
B. Affected much less by temperature than that for gases
C. Not affected by the temperature
D. None of these

A. (1 – f)/f
B. – (f – 1)/f
C. -1/f
D. -f/(1 – f)

A. Lewis number
B. Schmidt number
C. Prandtl number
D. Sherwood number

A. Tunnel
B. Heated cylinder
C. Conveyor
D. Festoon

A. Partial pressure of the vapour to the vapour pressure of the liquid at room temperature
B. Partial pressure of the vapour to the vapour pressure of the liquid at gas temperature
C. Actual humidity to saturation humidity
D. None of these