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Process Equipment and Plant Design

Process Equipment and Plant Design
What is the value of 'q' for saturated vapor feed to a distillation column ?(where q = fraction of the feed stream that is liquid.)

1
> 1

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Process Equipment and Plant Design
Commercial packed scrubbers are normally designed for a pressure drop range of __________ mm water coloumn per metre of packed height.

88-105
52-68
17-34
43929

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Process Equipment and Plant Design
In actual operation of distillation column, the vapour is not distributed uniformly among the bubble caps, primarily because of the

Lower static submergence
Lower skirt clearance
Small downcomer liquid seal
Liquid gradient on the tray

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Process Equipment and Plant Design
In distillation columns, bubble caps are held in place over trays by

Rivets
Bolts
A hold down bar
Both B and C

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Process Equipment and Plant Design
Le/D for 90° elbow (medium radius) and 90°square elbow would be respectively around

250 and 600
100 and 250
3 and 5
25 and 60

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Process Equipment and Plant Design
Hole diameter of the seive trays in the distillation column ranges from __________ mm.

3 to 12.5
4 to 8
12.5 to 18.5
L to 3

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