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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Process Equipment and Plant Design
In a bag filter, the pressure drop increases directly as the

Density of the gas, but is independent of the viscosity of the gas
Viscosity of the gas and inversely as density of the gas
None of these
Density of the gas and inversely as viscosity of the gas

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