Troubleshooting Principles and Test Instruments Quiz

Why is the PLC considered a logical starting point for troubleshooting?

• Because it is the easiest to replace.

• Because it is the newest technology.

• Because it provides a centralized location for input and output wiring.

• Because it is the most complex component.

What is the main difference between facility procedures and manufacturer procedures?

• Facility procedures are longer and more detailed.

• Manufacturer procedures are less reliable.

• Manufacturer procedures are longer and more detailed.

• Facility procedures are shorter and less specific.

What do error codes typically indicate in a PLC system?

• The need for a software update.

• Problems such as memory errors and power failures.

• Successful operation of the system.

• The completion of a process.

What is the purpose of a continuity tester?

• To measure temperature changes.

• To provide a visual display of operating conditions.

• To test de-energized circuits for a complete path for current.

• To measure voltage in a circuit.

How do infrared temperature measurements help in preventing equipment failures?

• By increasing the efficiency of the equipment.

• By locating unwanted heat in electrical equipment enclosures.

• By providing a visual display of operating conditions.

• By cooling down the equipment.