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Chemical Engineering - Mass Transfer

Exercise : Mass Transfer - Section 5
36.
Which of these columns incurs the lowest pressure drop ?
Packed column (with stacked packing)
Packed column (with dumped packing)
Bubble plate column
Pulse column
Answer: Option
Explanation:
No answer description is available. Let's discuss.
37.
In the desorption of highly soluble gas from the liquid, the main resistance will be in the __________ phase.
gas
liquid
both (a) & (b)
neither (a) nor (b)
Answer: Option
Explanation:
No answer description is available. Let's discuss.
38.
If G = insoluble gas in gas stream and L = non-volatile solvent in liquid stream, then the slope of the operating line for the absorber is
L/G
G/L
always < 1
none of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
39.
Which of the following remains constant during evaporative cooling process with recirculated water supply ?
Relative humidity
Partial pressure of vapour
Wet bulb temperature
None of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
40.
For stripping of a gas in a counter current stripper, the operating line
lies above the equilibrium curve.
lies below the equilibrium curve.
can lie above or below the equilibrium curve.
is always parallel to the equilibrium curve.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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