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Process Equipment and Plant Design

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

None of these
Negative
Positive
No

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Process Equipment and Plant Design
In seive plate column, holes are drilled or punched in sizes ranging from 2.5 to 12 mm (5 mm being widely used). The hole pitch is normally __________ times the hole diameter to give the required hole area.

10 to 15
2.5 to 4.0
5 to 10
0.5 to 1.5

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Process Equipment and Plant Design
__________ dished head is the strongest of all.

None of these
Hemispherical
Elliptical
Torispherical

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Process Equipment and Plant Design
__________ closure is the weakest enclosure for cylindrical vessels.

Elliptical
Torispherical
Hemispherical
Conical or flat plate

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Process Equipment and Plant Design
Lap joints are preferred for plates having thickness __________ mm.

< 12.5
> 3
43961
> 5

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Process Equipment and Plant Design
1.2 to 3.8 cms is the value of the

Downcomer liquid seal in case of a balanced tray design
Skirt clearance for bubble caps
Static submergence in case of a bubble cap tray for column operating under pressure (≥ 1 atm.)
All of these

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