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Process Equipment and Plant Design

Process Equipment and Plant Design
Bubble cap diameter used for the distillation column having diameter ranging from 1.5 to 4.5 metres is about __________ mm.

150
10
50
100

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Process Equipment and Plant Design
Bubble cap plate column is

Used only for distillation, not for absorption
A continuous contactor
A finite stage contactor
A differential stage contactor

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Process Equipment and Plant Design
The dust collection efficiency of a cyclone separator

Decreases with increase in gas flow rate
Is directly proportional to the radius of the dust particle path
None of these
Is inversely proportional to the mass of the dust particle

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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
50
15
7.5

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

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

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Process Equipment and Plant Design
Hold up of material in a operating rotary drier is in the range of

0.25 to 0.50
0.05 to 0.15
0.8 to 0.9
0.5 to 0.8

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