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Mass Transfer

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

Bubble cap
Packed
Pulse
Sieve plate

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Mass Transfer
Boiling point diagram is not affected by the ambient

Pressure
Both B and C
Temperature
Humidity

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Mass Transfer
Which of the following gas-liquid contacting devices incurs the least pressure drop for a particular duty?

Grid tray tower
Perforated tray tower
Bubble cap tower
Wetted wall tower

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Mass Transfer
On moving the feed line (q-line) from saturated liquid feed (vertical position) to saturated vapor feed (horizontal feed), if the slope of both the operating lines are to be increased, then it will result in

Greater degree of separation with a fixed number of trays
Increased reboiler load
Increased reflux ratio
None of these

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Mass Transfer
Percentage saturation is __________ the relative saturation.

None of these
Not related to
Always smaller than
Always greater than

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Mass Transfer
Operating velocity in a packed tower is usually __________ the flooding velocity.

Twice
Equal to
Half
More than

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