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Process Equipment and Plant Design

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
10
30
5

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Process Equipment and Plant Design
In perforated plate towers, the

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
Hole sizes may be around 1/8" or 3/16"

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Process Equipment and Plant Design
for couplings and unions would be

60
200
Negligible
350

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Process Equipment and Plant Design
The testing pressure of storage tanks and pressure vessels designed as per Indian standard codes should be about __________ times.the design pressure.

3 to 4
1.5 to 2
4 to 5
>5

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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
Which of the following packing materials provides for maximum mass transfer?

Raschig rings
Cross-partition rings
All of these
Lessig rings

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