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Process Equipment and Plant Design

Process Equipment and Plant Design
The operating pressure drop range in a bag filter is about __________ mm water gauge.

43961
500-1500
50-150
1500-2500

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Process Equipment and Plant Design
Movement of pipeline caused by thermal expansion is taken care by providing

Changes in its direction
All of these
Change in the shape of pipeline
Expansion joint

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Process Equipment and Plant Design
Liquid gradient over the tray results due to the

Large reflux ratio
Resistance offered to flow of liquids by caps & risers and the flow of gas
Large plate spacing
Low gas velocity

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Process Equipment and Plant Design
The longitudinal stress induced in a thin walled cylinderical vessel under internal pressure is

pd/t
pd/2t
pd/4t
pd/8t

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Process Equipment and Plant Design
The practical representative values of HETP for a number of commercial operations lies within a range of __________ metre.

0.1-0.2
0.2-0.5
0.4-0.9
1.2-1.5

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Process Equipment and Plant Design
Overall mass transfer co-efficient in case of absorption of __________ in water is based on the gas film co-efficient only, as the mass transfer process is gas film (phase) controlling.

CO₂
NH₃
SO₂
None of these

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