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Process Equipment and Plant Design

Process Equipment and Plant Design
Typical static submergence for bubble cap plate column operating at atmospheric pressure may be around

50% of the plate spacing
0.5"
2.5"
5"

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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
Floating head heat exchangers are used for the

Heat transfer between corrosive fluids
Cases where temperature difference between the shell and the tubes is more (>50°C)
Co-current heat transfer systems
Counter-current heat transfer systems

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Process Equipment and Plant Design
The value of fouling factor depends upon the

All of these
Characteristic of process fluid
Velocity of process fluid containing suspended solids
Suspended solids in the fluid

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Process Equipment and Plant Design
Multiple blade paddle agitator is used for mixing high viscosity liquids/paste in which the paddle diameter is commonly 0.8 times the tank diameter. However, the width of the blade is in the range of __________ times the paddle diameter.

0.65 to 0.80
0.3 to 0.5
0.1 to 0.25
0.5 to 0.6

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Process Equipment and Plant Design
The diameter of a propeller agitator used in agitation tank ranges from __________ percent of the tank diameter and its peripherial speed is normally 300 to 500 metres/minute.

55 to 75
40 to 50
5 to 10
15 to 30

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