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Process Equipment and Plant Design

Process Equipment and Plant Design
__________ is the determining factor for the number of bubble caps to be used per tray.

Liquid load
Vapor load
Permissible slot velocity
Tray diameter

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Process Equipment and Plant Design
The approximate liquid depth in an agitation tank is equal to (where, d = tank diameter)

2 d
0.5 d
D
0.75 d

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Process Equipment and Plant Design
To keep the power input constant for a stirred vessel operating under fully developed turbulent flow conditions (constant power number), if the impeller diameter is increased by 20%, the impeller speed should be decreased by a factor of

(1.2)3/5
(1.2)3/2
(1.2)2/3
(1.2)5/3

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Process Equipment and Plant Design
The operating pressure drop range in a bag filter is about __________ mm water gauge.

1500-2500
43961
50-150
500-1500

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Process Equipment and Plant Design
Rivets are generally specified by the

None of these
Shank diameter
Head diameter
Overall length

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Process Equipment and Plant Design
In perforated plate towers, the

All of these
Total hole area may be around 6 to 15% of tower cross-sectional area
Pressure drop is less compared is similar bubble cap towers
Hole sizes may be around 1/8" or 3/16"

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