The valve is half open and moving to the open position. Which one of the following describes the current condition of the valve position indicating lights ___

Refer to the drawing of a valve motor control circuit (see figure below).

Note: Limit switch (LS) contacts are shown open regardless of valve position, but relay contacts are shown open/closed according to the standard convention for control circuit drawings.

The valve is half open and moving to the open position.

Which one of the following describes the current condition of the valve position indicating lights?

A. Red light on, green light on
B. Red light on, green light off
C. Red light off, green light on
D. Red light off, green light off

Show Answer

Answer: A

Share your understanding of this question with the correct explanation.

Answer is d