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Process Equipment and Plant Design

Process Equipment and Plant Design
In a distillation column, bubble caps are located on trays with a pitch of __________ times the outside diameter of the caps.

1.6 to 2
1.5 to 3
1.3 to 2
2.5

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Process Equipment and Plant Design
In case of a shell and tube heat exchanger, the minimum shell thickness for carbon steel (inclusive of corrosion allowance) depends on shell diameter and is in the range of __________ mm.

44183
43895
44058
43962

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Process Equipment and Plant Design
A rivetted joint does not fail by __________ of rivets.

Tearing of the plate across a row
Tearing
None of these
Shearing

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

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

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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
20 to 30
1 to 2
10 to 20

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Process Equipment and Plant Design
Le/D for 90° elbow (medium radius) and 90°square elbow would be respectively around

3 and 5
25 and 60
100 and 250
250 and 600

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