Which one of the following contains two reasons for starting a typical radial-flow centrifugal pump with the discharge piping full of water and the discharge valve closed?
A. Prevent pump runout and prevent motor overspeed.
B. Prevent pump runout and ensure lubrication of pump seals.
C. Prevent water hammer and ensure adequate pump recirculation flow.
D. Prevent water hammer and prevent excessive duration of starting current.
Share your understanding of this question with the correct explanation.