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Process Equipment and Plant Design

Process Equipment and Plant Design
Bubble cap diameter used for the distillation column having diameter ranging from 1.5 to 4.5 metres is about __________ mm.

150
50
10
100

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Process Equipment and Plant Design
Cylindrical storage tanks used for the storage of volatile liquids (e.g., naphtha) have __________ roofs.

Flat
Fixed
Floating
Conical

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Process Equipment and Plant Design
The most common standard size of bubble caps used in industrial operation is

1" dia cap with 0.5" dia riser
4" dia cap with 8" dia riser
8" dia cap with 1" dia riser
6" dia cap with 4" dia riser

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Process Equipment and Plant Design
The difficulty of liquid distribution in packed towers is accentuated, when the ratio of tower diameter to packing diameter is

> 20 < 50
> 7 < 15
< 7
< 30

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Process Equipment and Plant Design
In perforated plate towers, the

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

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Process Equipment and Plant Design
Nominal size of a pipe is an indication of its __________ diameter.

Outer
None of these
Approximate
Inner

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