Exam 19: Troubleshooting

Effective troubleshooting begins with replacing components, one at a time.

Opens in a common line may be the result of an omitted ____________________ on the terminal block.

When measuring an AC signal, a DMM will display the ____ value of the signal.

Another problem that may occur with a double-pole, double-break contact is ____________________, that is, one contact of the double break travels across to the opposite contact, but the other remains in its original position.

Most solenoid coils burn out because of a defect in the coil.

In cases in which electrical heating is used, low voltage will cause the heat to be reduced by ____________________ of the voltage.

The use of ____ in place of solid conductors has, in general, improved the loose connection problem.

Success in troubleshooting results from the ability to segregate the problem area from other unrelated circuitry.

____ is one result of low voltage that may not be noticed immediately in the functioning of a machine.

Control circuits, relay or PLC, should have ____ to identify logic and actuator status.