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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.

43929
88-105
52-68
17-34

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Process Equipment and Plant Design
Pressure drop (Δp) and the superficial gas mass velocity (G) in case of packed absorption tower operating in the preloading range are related as

Δp = 1/G0.6
Δp = G2
Δp = G
Δp = G0.5

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Process Equipment and Plant Design
In the allocated cap area, bubble caps are generally arranged on equilateral triangular pitch. Number of caps fixed on a plate is with a

Cap pitch of 1.3-2 times the cap diameter
Neither A nor B
Clearance of 25-75 mm
Either A or B

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

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

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Process Equipment and Plant Design
In condenser, the cooling water is passed in the tube side in a pass arrangement, because

It makes condenser compact
Pressure drop is reduced
More thinner tubes can be used
It reduces heat transfer area

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Process Equipment and Plant Design
Removable connection of tubes to tube sheet is called

Saddle
Nipple
Ferrule
Socket

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