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Process Equipment and Plant Design

Process Equipment and Plant Design
To avoid the tearing off the plate of an edge, the margin (i.e., the minimum distance from the centre of the rivet hole to the nearest edge of the plate) should be equal to

2.5 d
D
1.5 d
0.5 d

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Process Equipment and Plant Design
In a shell and tube heat exchanger, the shortest centre to centre distance between the adjacent tubes is

Always less than the diameter of the tube
Called tube clearance
Called tube pitch
None of these

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Process Equipment and Plant Design
For annular flow of a fluid, the ratio of the equivalent diameter for pressure drop calculation to the equivalent diameter for heat transfer calculation is

(d1 + d2)/d1
(d1 + d2)/d2
D2/(d1 + d2)
D1/(d1 + d2)

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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
Neither A nor B
Clearance of 25-75 mm
Either A or B

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Process Equipment and Plant Design
__________ tower is the most suitable gas-liquid contacting device involving highly corrosive fluids.

None of these
Bubble cap plate
Packed
Sieve plate

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Process Equipment and Plant Design
The ideal size of round bubble caps to be used in industrial distillation column having a diameter of 3-6 metres is __________ cms.

15
7.5
5
50

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