CCST Troubleshooting & Maintenance of Control Systems

Question 1

What is the first step in troubleshooting a control system?

Accepted Answer

Isolate the problem and gather data

Answer

Check the power supply.

Answer

Replace components.

Answer

Test the output.

Question 2

What is the main cause of equipment failure in control systems?

Accepted Answer

Poor maintenance and wear

Answer

Incorrect calibration.

Answer

Excessive power usage.

Answer

Overloading sensors.

Question 3

What tool is most commonly used for diagnosing electrical issues in control systems?

Accepted Answer

Multimeter

Answer

Oscilloscope.

Answer

Thermometer.

Answer

Tachometer.

Question 4

What should be done before troubleshooting a control system?

Accepted Answer

Understand the system design

Answer

Verify the system's functionality.

Answer

Check the control logic.

Answer

Replace faulty components.

Question 5

Why is regular maintenance important for control systems?

Accepted Answer

To reduce the risk of unexpected downtime

Answer

To improve system performance.

Answer

To ensure the system meets safety standards.

Answer

To lower installation costs.

Question 6

How can you diagnose a malfunctioning control valve?

Accepted Answer

Verify the actuator and calibration

Answer

Check the system’s electrical wiring.

Answer

Replace the valve immediately.

Answer

Increase system pressure.

Question 7

What is the purpose of system documentation in troubleshooting?

Accepted Answer

To provide a reference for identifying issues

Answer

To increase system complexity.

Answer

To reduce the need for testing.

Answer

To simplify the maintenance process.

Question 8

What does the term ‘root cause analysis’ refer to in troubleshooting?

Accepted Answer

Identifying the underlying issue causing the problem

Answer

Temporary fixes.

Answer

Analyzing system functionality.

Answer

Assessing user behavior.

Question 9

What should be done after identifying the problem in a control system?

Accepted Answer

Implement corrective actions

Answer

Reboot the system.

Answer

Increase system voltage.

Answer

Ignore the issue.