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Process Equipment and Plant Design

Process Equipment and Plant Design
In case of saddle packing (e.g., berl and intralox saddles), the maximum size of the packing should not exceed __________ of the column diameter.

l/15th
l/30th
l/50th
l/5th

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Process Equipment and Plant Design
An underdesigned steam trap will

None of these
Back up condensate and cause water hammer in steam line
Destroy itself of acceleration wear due to rapid recycling
Waste steam

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Process Equipment and Plant Design
Le/D for fully open gate valves would be

Much less (say 2% than that for fully open globe valves)
Both B and C
Much more than that for fully open globe valves
Around 7

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Process Equipment and Plant Design
A/an __________ is used for changing the direction of a pipeline.

Flange
Union
Disc compensator
Elbow

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Process Equipment and Plant Design
What is the value of 'q' for saturated liquid feed to a distillation column?

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.ρ/L
Z.H/L.ρ
L/Z.H.ρ
H.ρ/L

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