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Process Equipment and Plant Design

Process Equipment and Plant Design
The thickness of segmental baffles (25 -35% cut truncated plates usually) is generally __________ the tube wall thickness.

Half
Four times
Twice
Equal to

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Process Equipment and Plant Design
In case of 1.5" heat exchanger tubes, the inside flow area __________ with decrease in BWG.

Decreases
Increases
None of these
Remains same

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Process Equipment and Plant Design
Tube height in a calendria type evaporator is normally less than __________ metres.

3.5
1
5.5
2

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Process Equipment and Plant Design
In a shell and tube heat exchanger, the shortest centre to centre distance between the adjacent tubes is

Always less than the diameter of the tube
Called tube clearance
None of these
Called tube pitch

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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
1/S₁.S₂
S₁/S₂
S₁.S₂

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Process Equipment and Plant Design
The ratio of volumes of the mixed reactor to the plug flow reactor (for identical feed composition, flow rate, conversion, and for all positive reaction orders) is always

1
< 1
>1
Equal to the order of reaction

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