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Process Equipment and Plant Design

Process Equipment and Plant Design
In most of the shell and tube heat exchangers, the tube pitch is generally __________ the tube diameter.

1.25-1.50 times
2.5 times
Less than
One-fourth of

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Process Equipment and Plant Design
In packed absorption tower, onset of flooding usually occurs at a pressure drop of about __________ mm of water column per metre height of packing.

25-50
200-250
50-75
750-1000

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Process Equipment and Plant Design
In a __________ rivetted joint, the number of rivets decreases from the innermost row to the outermost row.

Diamond
None of these
Chain
Zig-zag

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Process Equipment and Plant Design
__________ heat exchanger is also known as 'hair pin type' exchanger,

Finned
Regenerative
Plate type
Double pipe

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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 = G2
Δp = 1/G0.6
Δp = G
Δp = G0.5

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

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

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