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Mass Transfer

Mass Transfer
Leaching of sugar from sugar beets is done by

Lime water
Hexane
Hot water
Dilute H₂SO₄

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Mass Transfer
Air initially at 101. 3 kPa and 40°C and with a relative humidity of 50%, is cooled at constant pressure to 30°C. The cooled air has a

Higher relative humidity
Higher absolute (specific) humidity
Higher wet bulb temperature
Higher dew point

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Mass Transfer
With increase in temperature, the leaching rate increases due to

Both A & B
Decreased liquid viscosity
Neither A nor B
Increased diffusivity

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Mass Transfer
Make up water is required in a cooling tower to replace the water lost by

Evaporation
All of these
Blowdown and leakage
Drift

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Mass Transfer
Dried finished product sampled from various parts of a __________ dryer exhibits non-uniformity in the moisture content.

Rotary
Tray
None of these
Freeze

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Mass Transfer
With increase in temperature, the leaching rate increases because of the

Both Decreased viscosity of liquid & Increased diffusivity
None of the listed here
Increased diffusivity
Decreased viscosity of liquid

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