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Process Equipment and Plant Design

Process Equipment and Plant Design
Column support for the roof of cylindrical storage tank must be provided for

Small diameter tanks
Large diameter tanks
All of these
Small diameter tall tanks

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Process Equipment and Plant Design
For pipe flows, head is proportional to __________ at constant capacity (where D = pipe diameter ).

1/D²
D²
1/D
1/D⁵

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Process Equipment and Plant Design
Larger depth of liquid on the trays of a distillation column

Results in higher pressure drop per tray
Leads to high tray efficiency
Neither A nor B
Both A & B

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Process Equipment and Plant Design
Low pressure steam (with saturation temperature between 105 to 120°C) is usually used in the vacuum evaporators, which normally employ a vacuum of about __________ mm Hg (referred to a 760 mm mercury barometer).

250
750
650
450

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Process Equipment and Plant Design
In seive plate column, holes are drilled or punched in sizes ranging from 2.5 to 12 mm (5 mm being widely used). The hole pitch is normally __________ times the hole diameter to give the required hole area.

0.5 to 1.5
2.5 to 4.0
5 to 10
10 to 15

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Process Equipment and Plant Design
The stress developed in a material without any permanent set is called the

Elastic limit
Yield stress
Breaking stress
Ultimate stress

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