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Process Equipment and Plant Design

Process Equipment and Plant Design
In packed absorption tower, onset of flooding usually occurs at a pressure drop of about __________ mm of water column per metre height of packing.

750-1000
25-50
200-250
50-75

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Process Equipment and Plant Design
Bubble cap plate column is

A finite stage contactor
Used only for distillation, not for absorption
A differential stage contactor
A continuous contactor

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Process Equipment and Plant Design
The ratio of shear stress to shear strain is called

Modulus of rigidity
Shear modulus
Bulk modulus
Modulus of elasticity

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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

Remain unaffected
Increases
None of these
Decreases

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Process Equipment and Plant Design
__________ of water makes it a widely used coolant in heat exchangers.

Low corrosiveness
High specific heat
Low dirt factor
Low viscosity

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Process Equipment and Plant Design
Commercial packed scrubbers are normally designed for a pressure drop range of __________ mm water coloumn per metre of packed height.

43929
88-105
17-34
52-68

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