Assume that the NC stop button is replaced with an NO stop button and that the program is changed so it operates as before.Should the field wire connected to one end of the stop button break off:
A)the motor would stop automatically.
B)pressing the stop button would stop the motor.
C)pressing both the start and stop buttons would stop the motor.
D)none of these.

Question

Assume that the NC stop button is replaced with an NO stop button and that the program is changed so it operates as before.Should the field wire connected to one end of the stop button break off: 
A)the motor would stop automatically. 
B)pressing the stop button would stop the motor. 
C)pressing both the start and stop buttons would stop the motor. 
D)none of these.

Quizplus · Accepted Answer

Since the NC stop button is replaced with an NO stop button, the circuit is now open when the button is not pressed and closed when it is, which means that breaking the wire connected to one end of the stop button would not interrupt the circuit and therefore would not stop the motor. None of the options given would be effective in stopping the motor in this scenario.

Assume That the NC Stop Button Is Replaced with an NO