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Mass Transfer

Mass Transfer
Cox chart is useful in the design of

Evaporator
Dryer
Distillation column
Crystalliser

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Mass Transfer
CO₂ can be absorbed by

Hot cupric oxide
Alumina
Heated charcoal
Cold Ca(OH)₂

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Mass Transfer
Pick out the correct relationship. (where, Ri = internal reflux ratio Ro = external reflux ratio. )

(1 + Ro) = Ro/Ri
(1 + Ri) = Ro/Ri
(1 - Ri) = Ro/Ri
(1 - Ro) = Ro/Ri

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Mass Transfer
At a given equilibrium pressure, with increase in temperature, the concentration of adsorbed gas on solid adsorbant

Decreases
Increases
Remains unchanged
Increases exponentially

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Mass Transfer
Leaching of coffee from coffee beans is done by

Lime water
Dilute H₂SO₄ (hot)
Hexane
Hot water

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Mass Transfer
At 750°K and 1 atm, the approximate value of Schmidt number for air is

0.1
10
1
0.01

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MORE MCQ ON Mass Transfer

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