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Process Equipment and Plant Design

Process Equipment and Plant Design
Value of Peclet number = 0, is the representative of

Laminar flow
Plug flow
Eddy diffusivity = 0
Complete back mixing

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Process Equipment and Plant Design
In distillation columns, bubble caps are held in place over trays by

Bolts
Rivets
A hold down bar
Both B and C

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Process Equipment and Plant Design
Log mean temperature difference in case of multi-pass shell and tube heat exchanger is always

More than geometric mean value
Both B & C
More than arithmetic mean value
Less than arithmetic mean value

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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)

S₂/S₁
S₁.S₂
S₁/S₂
1/S₁.S₂

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Process Equipment and Plant Design
For pipe flows, head is proportional to __________ at constant capacity (where D = pipe diameter ).

1/D
1/D⁵
D²
1/D²

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Process Equipment and Plant Design
What is the slope of the operating line in the stripping section of a distillation column?

< 1
> 1
?

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