A motor-driven centrifugal pump is operating in an open system with its discharge valve throttled to 50 percent open.
If the discharge valve is fully opened, available net positive suction head (NPSH) will __________; and required NPSH will __________.
A. remain the same; increase
B. remain the same; remain the same
C. decrease; increase
D. decrease; remain the same
Show Answer
Answer: C
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