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Process Equipment and Plant Design

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

Scaling
Salting
Foamy
Viscous

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Process Equipment and Plant Design
The most common standard size of bubble caps used in industrial operation is

6" dia cap with 4" dia riser
4" dia cap with 8" dia riser
8" dia cap with 1" dia riser
1" dia cap with 0.5" dia riser

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Process Equipment and Plant Design
Steam economy is defined as the amount of evaporation per unit amount of steam used, while the capacity is the total evaporation obtained per hour. Use of multiple effect in evaporation

Increases capacity
Both B & C
Does not affect the capacity
Increases economy

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Process Equipment and Plant Design
Power required for agitation depends upon the

All of these
Agitator type & speed of agitation
Size of agitator & the tank
Height & properties of the liquid

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Process Equipment and Plant Design
The slope of the feed line in distillation opeartion is given by (where, q = fraction of the feed stream that is liquid.)

-q/(q-1)
None of these
-q/(1-q)
-q

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Process Equipment and Plant Design
Thin spherical shells subjected to internal pressure, develop __________ stresses.

Radial
Circumferential
Both A & B
Neither A nor B

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