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Process Equipment and Plant Design

Process Equipment and Plant Design
Pressure drop (Δp) and the superficial gas mass velocity (G) in case of packed absorption tower operating in the preloading range are related as

Δp = G
Δp = 1/G0.6
Δp = G0.5
Δp = G2

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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

None of these
Increases
Remain unaffected
Decreases

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Process Equipment and Plant Design
Two iron pipes of the same nominal diameter but different schedule numbers will have the same

None of these
Outside diameter
Wall thickness
Inside diameter

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Process Equipment and Plant Design
Any shell opening greater than 5 cms for a storage tank must be reinforced for reason of

None of these
Preventing the local overstressing of the shell around the opening
Making the joint leak proof
Reduction of discontinuity in shape at the junction

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Process Equipment and Plant Design
Heat transfer co-efficient, hG(Kcal/hr.m² .°C) and mass velocity of air, G (kg/hr.m² ) for air flow parallel to the surface in case of constant drying rate in batch drying is related as hG = 0.0176G0.8. But when the flow of air perpendicular to the surface is encountered, this equation changes to

HG = 1.004G0.37
1.004G0.8
HG = 0.0176G0.37
0.0176G1.37

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Process Equipment and Plant Design
In case of 1.5" heat exchanger tubes, the inside flow area __________ with decrease in BWG.

Remains same
Decreases
Increases
None of these

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