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Process Equipment and Plant Design

Process Equipment and Plant Design
For high pressure process equipments/vessels, the connected nozzle should be

Welded
Screwed
Flanged
Brazed

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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
0.5"
2.5"
5"

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Process Equipment and Plant Design
Excessive liquid gradient on a tray may result in the

Maldistribution of gas
Gas blowing beneath cap skit
Back trapping
All of these

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Process Equipment and Plant Design
The retention time of material in a rotary dryer depends upon its

Rpm
All of these
Slope & length
Flights arrangement

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Process Equipment and Plant Design
The distance between the top of the slots and the liquid surface when the static liquid is just ready to flow over the overflow weir is called

Static submergence
None of these
Skirt clearance
Downcomer liquid seal

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Process Equipment and Plant Design
Floating head heat exchangers are used for the

Cases where temperature difference between the shell and the tubes is more (>50°C)
Heat transfer between corrosive fluids
Co-current heat transfer systems
Counter-current heat transfer systems

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