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Process Equipment and Plant Design

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

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

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Process Equipment and Plant Design
The dust collection efficiency of a cyclone separator

Decreases with increase in gas flow rate
Is inversely proportional to the mass of the dust particle
Is directly proportional to the radius of the dust particle path
None of these

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Process Equipment and Plant Design
Tube side pressure drop in a 1-2 heat exchanger (for turbulent flow of fluids through the tubes) is about __________ times, that in a 1-1 heat exchanger having the same size & number of tubes and operated at the same liquid flow rate.

4
8
2
1/2

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Process Equipment and Plant Design
Typical static submergence for bubble cap plate column operating at atmospheric pressure may be around

2.5"
0.5"
5"
50% of the plate spacing

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Process Equipment and Plant Design
__________ liquor is best handled in a long tube vertical evaporator.

Viscous
Foamy
Scaling
Salting

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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
Increases
Decreases

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