Answered

4. An OS&Y (Outside Screw and Yoke) is in the open position if:

A. the wheel is on the outside with the threaded part of the screw on the inside.
B. the threaded part of the screw is on the outside with the wheel on the inside.
C. the threaded part of the screw is on the outside and the valve shows the word "open."



Answer :

GinnyAnswer

Final answer:

An OS&Y valve is in the open position when the wheel is on the outside with the threaded part on the inside or when the valve shows the word open.


Explanation:

An OS&Y (Outside Screw and Yoke) valve is in the open position when:

  1. the wheel is on the outside with the threaded part of the screw on the inside.
  2. the threaded part of the screw is on the outside and the valve shows the word open.

This position allows for clear indication of whether the valve is open or closed based on the external configuration of the valve components.


Learn more about Valve Configuration here:

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