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Refer to the circuit shown above. When the start button is pressed, the motor starts in sequence from 1 to 3 with a delay of 5 seconds between the starting of each motor. When the stop button is pressed, motor 3 stops running immediately and 5 seconds later motor 2 stops running. Motor 1, however, continues to run and does not stop after several minutes. Which of the following could cause this problem?
Refer to the start-stop pushbutton circuit shown above. What controls the action of the contact located between wire numbers 13 and 14?
Refer to the circuit shown above. What is the purpose of the normally closed auxiliary contacts between wire numbers 13 &14, and 18 & 19?
Refer to the start-stop pushbutton circuit shown above. Assume that the motor is running. When the stop pushbutton is pressed, the motor continues to run. Which of the following could cause this problem?
Refer to the circuit shown above. The motor will not start in either the forward or reverse direction. Which of the following could cause the problem?
Refer to the schematic drawing above. When the motor is reversed, which two incoming lines are reversed?
Refer to the circuit shown above. When the start button is pressed, motor 1 starts immediately. After a delay of 5 seconds, motor 2 starts, but motor 3 never starts. Which of the following could
NOT cause this problem?Refer to the circuit shown above. Assume that the motor is running in the forward direction. Is it necessary to first press the stop button before the motor can be operated in the reverse direction?
Refer to the circuit shown above. When the jog button is pressed, the motor starts and when the jog button is released, the motor stops. When the start button is pressed, however, the motor will not start. Which of the following could cause this condition?
Referring to the circuit shown above, the current path to motor starter coil 2 is provided through ____.