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Process Equipment and Plant Design

Process Equipment and Plant Design
Joint efficiency (J) for a seamless pipe is

< 0.5
1.2
0.85
1

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Process Equipment and Plant Design
Holes of a sieve tray are arranged in triangular pitch of __________ times the hole diameter.

1.5 to 2
2.5 to 5
10 to 15
5 to 10

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Process Equipment and Plant Design
__________ of water makes it a widely used coolant in heat exchangers.

Low viscosity
Low corrosiveness
Low dirt factor
High specific heat

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Process Equipment and Plant Design
The absorption factor is defined as (where, S₁ = slope of the equilibrium curve, S₂ = slope of the operating line)

1/S₁.S₂
S₁/S₂
S₂/S₁
S₁.S₂

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Process Equipment and Plant Design
With increase in the number of shell passes, the value of FT

Remains same
Increases
Remains same, only if the number of tube passes does not change
Decreases

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Process Equipment and Plant Design
In perforated plate towers, the

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

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