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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.

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

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Process Equipment and Plant Design
__________ dished head is the strongest of all.

Torispherical
None of these
Elliptical
Hemispherical

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Process Equipment and Plant Design
Vertical vessels are not supported by

Columns
Brackets
Saddles
Skirts

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Process Equipment and Plant Design
With increase in pressure drop (for a given particle size), the dust collection efficiency of a cyclone separator will

Increase or decrease depending on the nature of the dust
Remain unaffected
Decrease
Increase

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Process Equipment and Plant Design
In common bubble cap distillation column design practice, riser area is approximately equal to (where, Aa = Annular passage area, and Sa = Slot area)

Aa = 1.5 Sa
Aa = Sa
Sa = 1.5 Aa
1.2 Aa = 1.2 Sa

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Process Equipment and Plant Design
In packed towers provided with saddle packing, liquid redistributors are positioned at every __________ times column diameter or 6 metres whichever is less.

43959
20-25
44119
43864

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