Which one of the following types of similarly sized valves requires the most manual valve stem rotation to move the valve from fully open to fully closed ___

Which one of the following types of similarly sized valves requires the most manual valve stem rotation to move the valve from fully open to fully closed?

(Assume that each valve has a non-rising stem.)

A. Ball
B. Gate
C. Plug
D. Butterfly

Show Answer

Answer: B

Share your understanding of this question with the correct explanation.