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Process Equipment and Plant Design

Process Equipment and Plant Design
The force due to wind load acting on a tall vessel depends upon its

Shape
All of these
Height
Outside diameter

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Process Equipment and Plant Design
In perforated plate towers, the

Total hole area may be around 6 to 15% of tower cross-sectional area
Hole sizes may be around 1/8" or 3/16"
All of these
Pressure drop is less compared is similar bubble cap towers

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Process Equipment and Plant Design
The main purpose of providing stepping on the trays is to

Improve the flow condition
Facilitate handling of large flow rate of liquid
Decrease the pressure drop
Increase the residence time

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Process Equipment and Plant Design
Safety valves are provided in chemical equipments to guard against excessive

Noise
Temperature
Pressure/pressure fluctuation
Turbulence

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Process Equipment and Plant Design
Minimum tube pitch recommended for shell and tube heat exchangers is about __________ times the outside diameter of the tube.

2.5
1.75
3.5
1.25

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Process Equipment and Plant Design
Most of the storage vessels/tanks are made cylindrical, because of the fact that a cylinder

Neither A nor B
Has greater structural strength
Both A & B
Is easy to fabricate

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