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Main application of liquid ring pump is in which of the following?

Main application of liquid ring pump is in which of the following? Correct Answer Heavily aerated liquids

Liquid-ring pumps for the dairy industry are used where the product contains large quantities of air or gas, and where centrifugal pumps therefore cannot be used. The clearances between impeller and casing are small, and this type of pump is therefore not suitable for handling abrasive products.

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