Troubleshooting and Maintenance

What should be the first step in troubleshooting an automated system that has stopped working?

• Replace all components

• Gather information about the problem

• Reset the system

• Check the power supply

What type of maintenance is performed at scheduled intervals regardless of equipment condition?

• Predictive maintenance

• Preventive maintenance

• Corrective maintenance

• Reactive maintenance

Which of the following is a good practice when documenting maintenance activities?

• Include only successful repairs

• Document only major repairs

• Include date, problem description, and resolution

• Keep documentation confidential from operators

What tool would be most useful for measuring insulation resistance in electrical systems?

• Multimeter

• Oscilloscope

• Megohmmeter

• Clamp meter

What does MTBF stand for in maintenance terminology?

• Maximum Time Between Failures

• Mean Time Before Failure

• Minimum Time Between Fixes

• Maintenance Time Before Failure

Which method helps identify potential equipment failures by monitoring changes in equipment condition?

• Corrective maintenance

• Predictive maintenance

• Reactive maintenance

• Scheduled maintenance

What is the proper sequence for safely working on electrical equipment?

• Test, Lock, Tag, Try

• Lock, Tag, Try, Test

• Tag, Lock, Test, Try

• Try, Test, Lock, Tag

When troubleshooting a pneumatic system with inadequate pressure, which component should you check first?

• A) Actuators

• B) Valves

• C) Compressors

• D) Filters

What issue is indicated when a motor draws excessive current and runs hot?

• Under-voltage

• Mechanical overload

• Insufficient lubrication

• All of the above

What is the purpose of a "fishbone diagram" in troubleshooting?

• To diagram electrical connections

• To identify the root cause of a problem

• To schedule maintenance activities

• To allocate resources