Mass Transfer
Equilibrium moisture of a solid is equal to the total moisture minus free moisture. Which of the following substances will have maxi-mum equilibrium moisture?

Rag paper
Anthracite coal
Bamboo
Inorganic solids

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Mass Transfer
The wetted wall tower is used to determine

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

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