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Mass Transfer

Mass Transfer
At the boiling point of the liquid at the prevailing pressure, the saturated absolute humidity becomes

None of these
?
1

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Mass Transfer
In case of unsaturated air

None of the listed here
Dew point < wet bulb temperature
Wet bulb temperature < dry bulb temperature
Both of the options given here

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Mass Transfer
Leaching of coffee from coffee beans is done by

Hexane
Hot water
Dilute H₂SO₄ (hot)
Lime water

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Mass Transfer
The diffusivity (D) in a binary gas mixture is related to the pressure (P) as

D ∝ 1/P
D ∝ 1/P1.5
D ∝ 1/P0.5
D ∝ P0.5

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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.

None of the listed here
Thermal conductivity
Electrical resistance
Strength

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Mass Transfer
At the same gas flow rate, the pressure drop in a packed tower being irrigated with liquid __________ that in dry packed tower.

Is same as
Is lower than
Cannot be predicted as data are insufficient
Is greater than

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