Mass Transfer
Which of the following is not a batch drier?

Fluidised bed drier
Vacuum shelf drier
Truck drier
Agitated pan drier

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Mass Transfer
In saturated gas, the

Vapour is in equilibrium with the liquid at the gas temperature
None of the listed here
Vapour is in equilibrium with the liquid at the room temperature
Partial pressure of vapour equals the vapour pressure of the liquid at room temperature

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