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Process Equipment and Plant Design

Process Equipment and Plant Design
The diameter of a propeller agitator used in agitation tank ranges from __________ percent of the tank diameter and its peripherial speed is normally 300 to 500 metres/minute.

55 to 75
5 to 10
15 to 30
40 to 50

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Process Equipment and Plant Design
Corrosion allowance in the design of pressure vessel/chemical equipment is not necessary, if

Plain carbon steel and cast iron parts are used
Material of construction is high alloy steel
Both B & C
Wall thickness is > 30 mm

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Process Equipment and Plant Design
Cylindrical storage tanks used for the storage of volatile liquids (e.g., naphtha) have __________ roofs.

Floating
Fixed
Flat
Conical

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Process Equipment and Plant Design
In case of a 'thin' pressure vessel, the ratio of its diameter to wall thickness is

< 10
> 20
> 10
30

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Process Equipment and Plant Design
Bracket supports are the most suitable for supporting __________ vessels.

None of these
Thin shperical (e.g. Horton sphere)
Thick walled vertical
Horizontal

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

Enhancing mixing rate
Avoiding vortex formation
Creating turbulence
Relieving excess pressure

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