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Process Equipment and Plant Design

Process Equipment and Plant Design
The maximum liquid gradient over a tray must not exceed

5"
2"-3.5"
0.5" -1.25"
Half the tray spacing

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Process Equipment and Plant Design
__________ strain is measured using a 'strain rosetter'.

None of these
Linear
Shear
Volumetric

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Process Equipment and Plant Design
Liquid gradient over the tray results due to the

Resistance offered to flow of liquids by caps & risers and the flow of gas
Low gas velocity
Large plate spacing
Large reflux ratio

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Process Equipment and Plant Design
In actual operation of distillation column, the vapour is not distributed uniformly among the bubble caps, primarily because of the

Small downcomer liquid seal
Lower skirt clearance
Lower static submergence
Liquid gradient on the tray

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Process Equipment and Plant Design
A binary liquid azeotropic mixture has boiling point higher than either of the components, when it shows __________ deviation from Raoult's Law.

Negative
Positive
None of these
No

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Process Equipment and Plant Design
The raio, (properller agitator dia/tank dia) is normally taken as

0.75-0.85
0.60-0.90
0.15-030
0.5-0.65

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