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Mass Transfer

Mass Transfer
Berl saddle made of carbon cannot be used for

H₂SO₄
Oxidising atmosphere
SO₂
Alkalis

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Mass Transfer
The Reynolds number of the liquid was increased 100 fold for a laminar falling film used for gas-liquid contacting. Assuming penetrating theory is applicable, the fold increase in the mass transfer co-efficient (Kc) for the same sytem is

10
5
1
100

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Mass Transfer
Small dia distillation column can be a

Sieve tray
Any of these
Packed column
Bubble cap

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Mass Transfer
__________ columns are used for liquid dispersion in a continuous gas phase.

Pulse
Sieve plate
Packed
Bubble cap

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Mass Transfer
In the absorption of ammonia in water, the main resistance to absorption is by the __________ phase.

Gas
Neither A nor B
Liquid
Both A & B

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Mass Transfer
In distillation where q is defined as the moles of liquid flow in the stripping section per mole of feed introduced, for saturated liquid feed

q = 1
q = 0
q < 1
q > 1

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