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Process Equipment and Plant Design

Process Equipment and Plant Design
Lug support is meant for supporting __________ vessels.

Tall but empty
Small
Large horizontal cylindrical
Thick walled tall

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

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

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Process Equipment and Plant Design
Spherical shaped pressure vessel is considered to be the most ideal, because it can

Be fabricated very easily
Be supported very easily
Withstand higher pressure for a given metallic shell thickness
Be designed without wind load considerations

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Process Equipment and Plant Design
In a rotary drier, the average retention time of solid is(where Z = length of the drier, metres ρ = apparent solid density, kg/m³ L = flow rate of dry solids, kg/see. m² drier cross-section H = hold up of solid.)

Z.H.ρ/L
L/Z.H.ρ
Z.H/L.ρ
H.ρ/L

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Process Equipment and Plant Design
The average velocity in the tubes of a 1-4 heat exchanger is __________ times that in 1-1 heat exchanger having the same size & number of tubes and operated at same liquid flow rate.

2
43834
4
43832

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Process Equipment and Plant Design
Which of the following factors determine the amount of entrainment in a distillation column?

Vapour velocity in the volume between the plates
Depth of liquid above the bubble cap slots
Plate spacing
All of these

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