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Process Equipment and Plant Design

Process Equipment and Plant Design
__________ is the determining factor for the number of bubble caps to be used per tray.

Permissible slot velocity
Liquid load
Vapor load
Tray diameter

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Process Equipment and Plant Design
In the agitators, the power required will be changed with the increase of diameter of agitator (D) as

D
D⁹
D²
D⁵

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Process Equipment and Plant Design
With increase in the reflux ratio for a fixed production from a continuous binary distillation column, the __________ decreases.

Running cost of steam for reboiler
Vapour & liquid load both
Running cost of cooling water for condenser
Fixed charges initially

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Process Equipment and Plant Design
Tube side heat transfer co-efficient for turbulent flow of liquid through tubes is proportional to

G1.5
G0.5
G0.2
G0.8

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

4" dia cap with 8" dia riser
6" dia cap with 4" 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
In condenser, the cooling water is passed in the tube side in a pass arrangement, because

It makes condenser compact
More thinner tubes can be used
Pressure drop is reduced
It reduces heat transfer area

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