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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
In perforated plate towers, the

All of these
Pressure drop is less compared is similar bubble cap towers
Total hole area may be around 6 to 15% of tower cross-sectional area
Hole sizes may be around 1/8" or 3/16"

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Process Equipment and Plant Design
Rivets are generally specified by the

Overall length
None of these
Shank diameter
Head diameter

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Process Equipment and Plant Design
If 'D' is the inside diameter of the shell of a shell and tube heat exchanger, then the baffle spacing is usually in the range of

D/2 or minimum 2" to 5D
D/5 or minimum 2" to 5D
D/5 or minimum 2" to D
None of these

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Process Equipment and Plant Design
1.2 to 3.8 cms is the value of the

Static submergence in case of a bubble cap tray for column operating under pressure (≥ 1 atm.)
Downcomer liquid seal in case of a balanced tray design
Skirt clearance for bubble caps
All of these

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Process Equipment and Plant Design
Le/D for a Tee (used as elbow, entering branch) would be

Less than that for Tee (used as elbow, entering run)
More than that for Tee (used as elbow, entering run)
Both B and C
Around 90

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