Initially, a centrifugal pump is operating at normal discharge pressure and flow conditions with the pump discharge valve fully open.
Then, the discharge valve is throttled to the 50 percent open position.
Which one of the following parameter changes will occur when the discharge valve is throttled?
A. Pump motor current decreases.
B. Pump flow rate increases.
C. Pump discharge head decreases.
D. Available net positive suction head decreases.
Show Answer
Answer: A
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