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Process Equipment and Plant Design

Process Equipment and Plant Design
Which of the following efficiencies can be greater than 100%?

Point efficiency
None of these
Murphree plate efficiency
Overall plate efficiency

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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
Pressure drop is less compared is similar bubble cap towers
All of these

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Process Equipment and Plant Design
Vertical storage vessels are never supported by __________ support.

Skirt
Bracket
Saddle
Lug

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Process Equipment and Plant Design
Shell side heat transfer co-efficient in case of square pitch as compared to the triangular pitch under similar condition of fluid flow and tube size is

Twice
Same
More
Less

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Process Equipment and Plant Design
The dust collection efficiency of electrostatic precipitator increases with increase in the

Electrode area
Both A & B
Neither A nor B
Gas flow rate

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Process Equipment and Plant Design
The minimum shell thickness for tank ≤ 15 metres diameter is limited to __________ mm, for reasons of elastic stability.

2
10
5
15

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