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Process Equipment and Plant Design

Process Equipment and Plant Design
The dust collection efficiency of electrostatic precipitator increases with increase in the

Neither A nor B
Both A & B
Electrode area
Gas flow rate

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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

None of these
Wall thickness
Inside diameter
Outside diameter

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Process Equipment and Plant Design
For a given design of bubble cap, the number of bubble caps to be used per tray is set by the

Allowable gas velocity through the slots
All of these
Plate spacing
Diameter of the column

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Process Equipment and Plant Design
Baffle spacing is generally __________ the I.D. of the shell.

More than
Not greater than
Both B and C
Not less than one fifth of

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Process Equipment and Plant Design
In a __________ rivetted joint, the rivets in the various rows are opposite to each other.

Zig-zag
Chain
Diamond
None of these

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Process Equipment and Plant Design
In perforated plate towers, the

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

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