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Process Equipment and Plant Design

Process Equipment and Plant Design
Commercial packed scrubbers are normally designed for a pressure drop range of __________ mm water coloumn per metre of packed height.

52-68
43929
17-34
88-105

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Process Equipment and Plant Design
25 per cent cut segmental baffle means that the baffle

Height is 25% of the I.D. of the shell
Height is 75% of the I.D. of the shell
Spacing is 75% of its height
Width is 25% of its height

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Process Equipment and Plant Design
Scale up problem in design based on the similarity concept takes into account __________ similarity.

Kinematic
Geometrical
All of these
Dynamic

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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

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

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Process Equipment and Plant Design
In a distillation column, minimum clearance to be maintained betweeen the overflow weir and the last row of the bubble caps is __________ cms.

2.5
15
20
7.5

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Process Equipment and Plant Design
In a shell and tube heat exchanger, the overall heat transfer co-efficient is proportional to the tube side (volumetric flow rate)0.8. This is valid, only when the ratio of the tube side film resistance to the total resistance is almost equal to

2
∞
20.8
1

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