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Process Equipment and Plant Design

Process Equipment and Plant Design
Commercial packed scrubbers are normally designed for a pressure drop range of __________ mm water coloumn per metre of packed height.

52-68
17-34
88-105
43929

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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.

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

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Process Equipment and Plant Design
Two iron pipes of the same nominal diameter but different schedule numbers will have the same

Inside diameter
None of these
Wall thickness
Outside diameter

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Process Equipment and Plant Design
__________ closure is the weakest enclosure for cylindrical vessels.

Torispherical
Hemispherical
Elliptical
Conical or flat plate

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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)

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

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Process Equipment and Plant Design
For turbine agitator, the impeller diameter is about

0.3 to 0.5 d
0.65 to 0.85 d
0.1 to 0.2 d
0.95 d

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