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Process Equipment and Plant Design

Process Equipment and Plant Design
The distance between the centre of a rivet hole to the nearest edge of the plate is called

None of these
Margin
Back pitch
Pitch

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Process Equipment and Plant Design
For a cylinderical internally pressurised vessel, which of the following closure types would withstand highest pressure, if each closure is of the same material and thickness?

Ellipsoidal (2 : 1)
Conical
Hemispherical
Flat plate

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

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

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Process Equipment and Plant Design
If a single tube pass heat exchanger is converted to two passes; for the same flow rate, the pressure drop per unit length in tube side will __________ times.

Decrease by 22
Increase by 21.6
Increase by 1.8
None of these

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Process Equipment and Plant Design
Floating head heat exchangers are used for the

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

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Process Equipment and Plant Design
In the allocated cap area, bubble caps are generally arranged on equilateral triangular pitch. Number of caps fixed on a plate is with a

Cap pitch of 1.3-2 times the cap diameter
Either A or B
Clearance of 25-75 mm
Neither A nor B

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