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Process Equipment and Plant Design

Process Equipment and Plant Design
In the design of a bag filter, the gas temperature is an important consideration, as it affects the

All of these
Fibre selection
Gas density
Gas viscosity

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Process Equipment and Plant Design
In a shell and tube heat exchanger having square pitch, the shell side equivalent diameter is given by (where, P = pitch, d = outside diameter of the tube)

4(P² - πd²/4)/πd
Πd/4P²
4P²/πd
(P² - πd²/4)/πd

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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
More
Same
Less

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Process Equipment and Plant Design
A perforated plate has holes of diameter dh arranged in a pitch ph. Each hole has a tube of I.D. dt passing through it. The ligament efficiency is given by

(ph - dh)/dh
(ph - dt)/ph
(ph - dh)/ph
(ph - dh . dt/2)/ph

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Process Equipment and Plant Design
The practical representative values of HETP for a number of commercial operations lies within a range of __________ metre.

0.1-0.2
0.4-0.9
0.2-0.5
1.2-1.5

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

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

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