In a comparison between ball valves and butterfly valves in the same cooling water system application, the valve that would typically experience the greater seat leakage when fully closed with a large differential pressure is the __________ valve; and the valve that would typically cause the smaller head loss when fully open is the __________ valve.
A. ball; butterfly
B. ball; ball
C. butterfly; butterfly
D. butterfly; ball
Show Answer
Answer: D
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