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Process Equipment and Plant Design

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
Equal to the order of reaction
>1

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Process Equipment and Plant Design
The minimum tray spacing in distillation column of diameter less than 3 ft is normally __________ inches.

6
18
24
34

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Process Equipment and Plant Design
A perforated plate has holes of diameter dh arranged in a pitch ph. Each hole has a tube of I.D. dt passing through it. The ligament efficiency is given by

(ph - dh)/dh
(ph - dt)/ph
(ph - dh . dt/2)/ph
(ph - dh)/ph

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Process Equipment and Plant Design
In a heat exchanger, shell side fluid velocity can be changed by changing the tube

Pitch
Layout
Both A & B
Neither A nor B

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Process Equipment and Plant Design
Which of the following efficiencies can be greater than 100%?

None of these
Overall plate efficiency
Murphree plate efficiency
Point efficiency

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Process Equipment and Plant Design
The units of Young's modulus of elasticity and __________ are the same.

None of these
Strain
Modular ratio
Stress

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