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Process Equipment and Plant Design

Process Equipment and Plant Design
What is the value of 'q' for saturated vapor feed to a distillation column ?(where q = fraction of the feed stream that is liquid.)

1
> 1

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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/L.ρ
H.ρ/L
Z.H.ρ/L
L/Z.H.ρ

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Process Equipment and Plant Design
Poisson's ratio of a material is the ratio of unit lateral strain to the unit axial elongation within its elastic limit. The value of Poisson's ratio for structural and pressure vessel steel may be taken as

0.01
0.75
0.3
0.95

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Process Equipment and Plant Design
Hazards associated with the relief valve leakage for extremely hazardous material storage can be taken care of by providing

Rupture diaphragm
None of these
Surge chamber
Dikes

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Process Equipment and Plant Design
The distance between the centre of a rivet hole to the nearest edge of the plate is called

None of these
Back pitch
Margin
Pitch

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Process Equipment and Plant Design
At the following point for a given packing and set of fluids, the pressure drop per metre of packed height, with variation in fluid rates and operating pressure

May increase or decrease depending upon the solubility of the gas in the liquid
Decreases
Increases
Remains same

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