Mass Transfer
A 25 cm x 25 cm x 1 cm flat sheet weighing 1.2 kg initially was dried from both sides under constant drying rate conditions. It took 1500 seconds for the weight of the sheet to reduce to 1.05 kg. Another 1m x 1m x 1cm flat sheet of the same material is to be dried from one side only.Under the same constant drying rate conditions, the time required for drying (in seconds) from its initial weight of 19.2 kg to 17.6 kg is

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

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