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Process Equipment and Plant Design

Process Equipment and Plant Design
Le/D for fully open globe value may be around

25
10
75
300

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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
Counter-current heat transfer systems
Co-current heat transfer systems

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Process Equipment and Plant Design
In inclined long tube vertical evaporators, the tubes are inclined at an angle of

15°
45°
60°
90°

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Process Equipment and Plant Design
Maximum plate efficiency is achieved in case of __________ flow.

Cross
Reverse
Cascade
Split

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Process Equipment and Plant Design
Lug support is

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

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Process Equipment and Plant Design
In a multipass shell and tube heat exchanger, the baffles on shell side is primarily provided for

Increasing pressure drop
Creating turbulence
Fixing the tubes
Reducing scale deposition

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