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Process Equipment and Plant Design

Process Equipment and Plant Design
Speed of the drum of the rotary vacuum filter normally ranges from __________ rpm.

0.1 to 2
3 to 8
5 to 7
8 to 15

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Process Equipment and Plant Design
Hole diameter of the seive trays in the distillation column ranges from __________ mm.

L to 3
12.5 to 18.5
3 to 12.5
4 to 8

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Process Equipment and Plant Design
Length to diameter ratio of most rotary driers is in the range of

4 to 10
10 to 20
1 to 2
20 to 30

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Process Equipment and Plant Design
The operating velocity in the absorption tower is usually 40-50% of the flooding velocity. Packed absorption towers are normally designed for a pressure drop of about __________ mm of water column per metre height of packing.

20-40
43835
1000-1500
100-150

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Process Equipment and Plant Design
The thickness of heat transfer plates used in the plate type heat exchanger ranges from __________ mm, pressed in a single piece provided with grooves & corrugations.

1.25 to 3.125
0.3 to 0.8
44055
3.5 to 7.0

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Process Equipment and Plant Design
Shortest distance between two tubes is

More in case of triangular pitch as compared to square pitch of tube layout
Called tube clearance
Called tube pitch
None of these

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