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Process Equipment and Plant Design

Process Equipment and Plant Design
Commercial packed scrubbers are normally designed for a pressure drop range of __________ mm water coloumn per metre of packed height.

88-105
52-68
17-34
43929

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Process Equipment and Plant Design
A/an __________ is used for changing the direction of a pipeline.

Flange
Union
Disc compensator
Elbow

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Process Equipment and Plant Design
Most of the storage vessels/tanks are made cylindrical, because of the fact that a cylinder

Has greater structural strength
Neither A nor B
Is easy to fabricate
Both A & B

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Process Equipment and Plant Design
The operating velocity in the absorption tower is usually 40-50% of the flooding velocity. Packed absorption towers are normally designed for a pressure drop of about __________ mm of water column per metre height of packing.

100-150
43835
20-40
1000-1500

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Process Equipment and Plant Design
Optimum reflux ratio in a continuous distillation column is determined by the

Maximum permissible vapour velocity
Total cost consideration (fixed cost of the column plus the cooling water & steam cost)
None of these
Flooding limit of the column

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Process Equipment and Plant Design
__________ liquor is best handled in a long tube vertical evaporator.

Viscous
Scaling
Foamy
Salting

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