When a relay-logic Wired-NAND gate is employed in a motor control circuit, the relay-logic output, taken on the load side of the NC inverting-relay contacts, is zero volts only when all of the series switching or relay contacts ___

Multiple Choice Questions Automation MCQ
1

When a relay-logic Wired-NAND gate is employed in a motor control circuit, the relay-logic output, taken on the load side of the NC inverting-relay contacts, is zero volts only when all of the series switching or relay contacts in the Wired-AND gate are held __________.

A) closed
B) neither open nor closed
C) either open or closed
D) open

Show Answer

Answer:A

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