Process Equipment and Plant Design
Filtration rate is affected by the

All of these
Area of filtering surface & the viscosity of filtrate
Cake & filter medium resistance
Pressure drop across the cake & filter medium

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Process Equipment and Plant Design
A forced circulation long tube vertical evaporator as compared to the natural circulation evaporator

Both B & C
Employs high velocity, high heat transfer rate and less heating surface requirement
Is economical in operation
Employs a centrifugal pump placed between external downtake from vapor drum and inlet to tube bundle

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