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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

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

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Process Equipment and Plant Design
An increase in the liquid resistance to interphase mass transfer and a resultant reduction in plate efficiency is caused by

An increase in relatived volatility for rectification columns
Decrease in gas solubility for absorbers
All of these
An increase in liquid viscosity

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

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

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Process Equipment and Plant Design
Cylinderical shell thickness of rotary drier is generally __________ mm.

18-22
43990
43864
44180

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Process Equipment and Plant Design
Flanges are connected to pipes by

Brazing
Welding
All of these
Screwing

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Process Equipment and Plant Design
Lug support is

Provided usually for vessels of much smaller height than skirt supported vessels
Same as bracket support
The most suitable for thick vertical vessel
All of these

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