A motor-driven centrifugal pump is operating with the following parameters:
Speed = 1,800 rpm
Motor current = 40 amps
Pump head = 20 psid
Pump flow rate = 400 gpm
What will be the approximate values of pump head and motor current if pump speed is decreased to 1,200 rpm?
A. 13 psid, 18 amps
B. 13 psid, 12 amps
C. 9 psid, 18 amps
D. 9 psid, 12 amps
Show Answer
Answer: D
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