Mass Transfer
In a packed bed absorption column, the channelling will be noted by the

None of these
Sharp drop in pressure drop
Increase in flow rate
Sharp rise in pressure drop

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Mass Transfer
In an operating distillation column, the

Driving force for the vapor flow is the pressure drop, as the pressure decreases gradually from the bottom to the top of the column
Driving force for the liquid flow is its specific weight
Highest temperature is encountered at the top of the column
Vapors and liquids are at their dew point and bubble point respectively

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Mass Transfer
The relation among various mass transfer co-efficients (M.T.C) for ideal gases is given by (where, Kc & Km are M.T.C. for equimolar counter diffusion with concentration & mole fraction respectively as the driving force. and, Kp = M.T.C. for diffusion of a gas through a stagnant inert gas with pressure as driving force.)

Kc = Kp . RT = Km . RT/p
None of these
Kc = Kp/RT = Km . RT/P
Kc = Kp = Km

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