The three position, center-return, mushroom-head, push/pull operator is stacked with one set of NO contacts and a set of NC contacts.
When the push/pull operator is at rest (being neither pushed nor pulled), both sets of switching contacts are open in the third neutral position — the NC contacts are being held _________ __________ (half the travel distance of the operator in the cylinder): the NO contacts are being held _________ __________.
A) half closed; half closed
B) half open; half open
C) half open; half closed
D) half closed; half closed
Show Answer
Answer:C
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