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Mass Transfer

Mass Transfer
The efficiency of a plate column will be maximum, when the flow is ideal __________ the plate.

Neither A nor B
Across
Above
Both A & B

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Mass Transfer
Antibiotics are best handled in a

Sieve tray contractor
Podbielniak extractor
Pulsed column extractor
Rotating disc contactor

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Mass Transfer
Moisture contained by a substance in excess of the equilibrium moisture is called the __________ moisture.

Free
Bound
Unbound
Critical

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Mass Transfer
Molecular diffusivity of a liquid

Increases with temperature
Decreases with temperature
May increase or decrease with temperature
Is independent of temperature

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Mass Transfer
Psychrometry deals with the properties of gas-vapor mixture. Humidity can be determined by the measurement of the __________ of a fibre.

Thermal conductivity
Strength
None of the listed here
Electrical resistance

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Mass Transfer
An alkaline solution is used to reduce the concentration of carbon dioxide in a stream from 10% to 0.1% by absorption with irreversible chemical reaction. The overall number of transfer units based on gas phase is

100
9.21
4.605
0.001

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