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Process Equipment and Plant Design

Process Equipment and Plant Design
Excessive liquid gradient on a tray may result in the

Gas blowing beneath cap skit
Maldistribution of gas
All of these
Back trapping

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Process Equipment and Plant Design
In common bubble cap distillation column design practice, riser area is approximately equal to (where, Aa = Annular passage area, and Sa = Slot area)

Sa = 1.5 Aa
1.2 Aa = 1.2 Sa
Aa = 1.5 Sa
Aa = Sa

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Process Equipment and Plant Design
In a __________ rivetted joint, the number of rivets decreases from the innermost row to the outermost row.

Zig-zag
Chain
Diamond
None of these

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Process Equipment and Plant Design
The practical representative values of HETP for a number of commercial operations lies within a range of __________ metre.

1.2-1.5
0.1-0.2
0.2-0.5
0.4-0.9

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Process Equipment and Plant Design
Hazards associated with the relief valve leakage for extremely hazardous material storage can be taken care of by providing

Rupture diaphragm
None of these
Dikes
Surge chamber

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Process Equipment and Plant Design
Reflux ratio variation in a distillation column is between

Zero and infinity
None of these
Minimum and infinity
Zero and one

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