Water flows from throat to the discharge of venturi?

A venturi is being used to measure the flow rate in a cooling water system. As the water flows from the throat to the discharge of the venturi, water pressure will __________; and volumetric flow rate will __________. (Assume water is incompressible.)

A. increase; remain the same

B. increase; increase

C. decrease; remain the same

D. decrease; decrease

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