Which one of the following specifies the proper pump discharge valve position and the basis for that position when starting a large motor-driven radial-flow centrifugal pump?
A. Discharge valve fully open to reduce motor starting power requirements.
B. Discharge valve throttled to reduce motor starting power requirements.
C. Discharge valve fully open to ensure adequate pump net positive suction head.
D. Discharge valve throttled to ensure adequate pump net positive suction head.
Show Answer
Answer: B
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