Mass Transfer
During drying of a solid, the critical moisture content increases with

Both B and C
Increased thickness of the solid
Increased drying rate
Decreased drying rate

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Mass Transfer
The wetted wall tower is used to determine

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

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