Refer to the drawing of a valve motor control circuit (see figure below).
The valve is currently open with the contact configuration as shown.
If the S1 pushbutton is depressed, the valve will __________; and when the S1 pushbutton is subsequently released, the valve will __________.
A. remain open; remain open
B. close; remain closed
C. remain open; close
D. close; open
Show Answer
Answer: B
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