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Mass Transfer

Mass Transfer
Leaching of coffee from coffee beans is done by

Lime water
Hexane
Dilute H₂SO₄ (hot)
Hot water

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Mass Transfer
If mass diffusivity in a mixture is equal to the thermal diffusivity, then the Lewis number is

< 1
> 1
1

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Mass Transfer
Which of the following is used for the concentration of rubber latex?

Calendria
Agitated film evaporator
Long tube vertical evaporator
Short tube evaporator

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Mass Transfer
The dew point of a saturated gas phase equals the __________ temperature.

Gas
Wet bulb
Room
None of these

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Mass Transfer
Heat in BTU necessary to increase the temperature of 1 lb of gas and its accompanying vapour by 1°F is called the

Latent heat
Humid heat
Specific heat
Sensible heat

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Mass Transfer
Boiling point diagram is not affected by the ambient

Both B and C
Humidity
Pressure
Temperature

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