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Process Equipment and Plant Design

Process Equipment and Plant Design
The ratio of tube length to shell diameter in case of liquid shell and tube heat exchanger ranges from

4 to 8
6 to 12
2 to 3
3 to 5

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Process Equipment and Plant Design
In condenser, the cooling water is passed in the tube side in a pass arrangement, because

It makes condenser compact
It reduces heat transfer area
Pressure drop is reduced
More thinner tubes can be used

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Process Equipment and Plant Design
The maximum liquid gradient over a tray must not exceed

0.5" -1.25"
2"-3.5"
5"
Half the tray spacing

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Process Equipment and Plant Design
With increase in gas flow rate to fabric surface area ratio (Nm³/hr/m² fabric surface area), the size & the cost of a bag filter

Remain unaffected
None of these
Decreases
Increases

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Process Equipment and Plant Design
The testing pressure of storage tanks and pressure vessels designed as per Indian standard codes should be about __________ times.the design pressure.

4 to 5
3 to 4
>5
1.5 to 2

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Process Equipment and Plant Design
Which of the following types of reactors is the safest from operation point of view?

A liquid phase catalytic reactor
A vapor phase reactor
Pot type reactor
A liquid phase reactor

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