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

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Mass Transfer
Which of the following psychrometric processes is followed by water vapour laden unsaturated air, when it is passed through solid or liquid adsorbent?

None of these
Dehumidification with dry bulb temperature remaining constant
Cooling and dehumidification
Heating and dehumidification at almost constant wet bulb temperature

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