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Process Equipment and Plant Design

Process Equipment and Plant Design
Flanges are connected to pipes by

All of these
Welding
Brazing
Screwing

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Process Equipment and Plant Design
Generally, no corrosion allowance in wall thickness of a part is required, if the thickness is more than __________ mm.

20
30
10
5

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Process Equipment and Plant Design
The slope of operating line in the rectifying section of a distillation column is unity, if the reflux ratio is

1
0
Minimum
∞

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Process Equipment and Plant Design
The minimum baffle height should be

Twice the tank diameter
3/4 of the tank height
Twice the impeller diameter
Equal to the impeller diameter

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Process Equipment and Plant Design
In perforated plate towers, the

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

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Process Equipment and Plant Design
Typical static submergence for bubble cap plate column operating at atmospheric pressure may be around

2.5"
5"
50% of the plate spacing
0.5"

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