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Process Equipment and Plant Design

Process Equipment and Plant Design
A high vapour velocity is required for high plate efficiency in a seive plate coloumn. The satisfactory value of operating vapor velocity for design purpose in seive plate column is about __________ percent of the flooding velocity.

45
80
95
60

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Process Equipment and Plant Design
Flanges are connected to pipes by

Screwing
Brazing
Welding
All of these

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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"
5"
50% of the plate spacing

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Process Equipment and Plant Design
Power required for agitation depends upon the

Size of agitator & the tank
All of these
Height & properties of the liquid
Agitator type & speed of agitation

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

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

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Process Equipment and Plant Design
A 'rupture disc' is provided in chemical equipments as an accessory meant for

Creating turbulence
Avoiding vortex formation
Relieving excess pressure
Enhancing mixing rate

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