Mass Transfer
Which of the following is not a continuous leaching equipment?

Bollman extractor
Hydrocyclones
Kennedy extractor
Pachuka tank

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

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