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Process Equipment and Plant Design

Process Equipment and Plant Design
The ideal size of round bubble caps to be used in industrial distillation column having a diameter of 3-6 metres is __________ cms.

5
15
7.5
50

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Process Equipment and Plant Design
The necessary wall thickness for a metallic storage vessel is a function of the

Operating pressure and welding/joint efficiency
Ultimate tensile strength (or yield point) of the material and operating temperature
Diameter of the vessel
All of these

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Process Equipment and Plant Design
What is the slope of the feed line, if the feed to a distillation column is a saturated liquid?

< 1
> 1
∞

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Process Equipment and Plant Design
Which of the following is used to set the diameter of the distillation column?

Allowable vapour velocity
Static submergence
Length of straight rectangular weir on cross-flow tray
Number of theorectical plates

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Process Equipment and Plant Design
Normally, the length to diameter ratio of rotary dryers varies form 4 to 10 and for its economic operation, the number of transfer units (NTU) for such dryers varies from

44119
1.5-2.5
3.5-5.5
7.5-10.0

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Process Equipment and Plant Design
Normally, the plate thickness of the bottoms and roofs of vertically cylindrical storage vessels as compared to that of the cylindrical shell is

Less
More or less depending upon the pressure & temperature inside the vessel and the nature of the fluid contained therein
Same
More

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