Mass Transfer
Under conditions of flooding in packed tower, the gas pressure drop

Decreases rapidly
Remains constant
Is maximum
Increases rapidly

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Mass Transfer
Humid volume is the total volume in m³ of 1 kg of

Vapour laden gas at 1 atm. and gas temperature
Vapour laden gas at 1 atm. and room temperature
Gas plus its accompanying vapour at 1 atm. and gas temperature
Gas plus its accompanying vapour at 1 atm. and room temperature

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