Mass Transfer
In extraction, as the temperature increases, the area of hetrogeneity (area covered by binodal curve)

Increases
None of these
Decreases
Remains unchanged

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

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

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Mass Transfer
One mole feed of a binary mixture of a given composition is flash vaporised at a fixed P and T. If Raoult's law is obeyed, then changing the feed composition would effect

Neither the product composition nor the fraction vaporised
The fraction vaporised but not the product composition
The product composition but not the fraction vaporised
The product composition as well as the fraction vaporised

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