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Mass Transfer

Mass Transfer
When the psychometric ratio is __________ then the adiabatic saturation temperature and wet bulb temperature becomes equal.

1
?
< 1
> 1

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Mass Transfer
Flooding in a vapor-liquid contacting equipment occurs in a tray, when the pressure drop through a tray is __________ the liquid head available in the downcomer.

More than
Very much less
Less than
Same as

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Mass Transfer
The absorption factor is defined as (where, L = liquid flow rate, G = gas flow rate and, m = slope of the equilibrium line)

L/mG
G/mL
ML/G
LG/m

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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 > 1
q = 0
q < 1

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Mass Transfer
Small dia distillation column can be a

Bubble cap
Packed column
Any of these
Sieve tray

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Mass Transfer
__________ extractor is used for the concentration of radioactive nuclear waste.

Mixer-settler
Pulsed column
None of the listed here
Seive plate

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