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Process Equipment and Plant Design

Process Equipment and Plant Design
The minimum tray spacing in distillation column of diameter less than 3 ft is normally __________ inches.

18
6
24
34

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Process Equipment and Plant Design
The thermal stress in a metallic bar does not depend upon the

Cross-sectional area
Neither A nor B
Changes in temperature
Both A & B

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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.

No
None of these
Positive
Negative

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Process Equipment and Plant Design
In a heat exchanger, shell side fluid velocity can be changed by changing the tube

Both A & B
Layout
Neither A nor B
Pitch

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Process Equipment and Plant Design
In most of the shell and tube heat exchangers, the tube pitch is generally __________ the tube diameter.

One-fourth of
Less than
1.25-1.50 times
2.5 times

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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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