An ideal (no slip) reciprocating positive displacement pump is operating in an open system to provide makeup water to a coolant system that is being maintained at 800 psig.
The discharge valve of the pump is full open.
If the pump discharge valve is subsequently throttled to 80 percent open, pump flow rate will __________; and pump head will __________.
A. decrease; increase
B. decrease; remain constant
C. remain constant; increase
D. remain constant; remain constant
Show Answer
Answer: C
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