Common Faults in Control Systems

Which component is responsible for converting control signals into mechanical movement in cargo handling equipment?

• Sensor

• Actuator

• Controller

• Hydraulic pump

What is a common fault with sensors in automatic control systems?

• Overheating

• Incorrect calibration

• Software errors

• Hydraulic failure

Which of the following is NOT a recommended troubleshooting step for actuator failures?

• Mechanical inspection

• Software update

• Lubrication

• Power supply check

What should be done if control system software is found to be outdated?

• Replace the entire system

• Update to the latest version

• Ignore the issue

• Increase power supply

How can hydraulic system problems be identified?

• By checking fluid levels and condition

• By updating software

• By replacing sensors

• By inspecting electrical wiring

What is a method to prevent electrical system faults in deck machinery?

• Use of corrosion-resistant materials

• Regular circuit breaker testing

• Hydraulic fluid replacement

• Actuator lubrication

Which of the following can cause malfunctions in the control system's logic or programming?

• Incorrect software review

• Outdated software versions

• Hydraulic system leaks

• Electrical short circuits

What is a preventive maintenance measure for minimizing faults in cargo handling equipment?

• Installing new sensors every month

• Conducting regular inspections

• Ignoring minor faults

• Increasing operational speed

Which factor can lead to premature failure of components in harsh environments?

• Regular lubrication

• Use of non-compatible models

• Extreme weather conditions

• Low operational frequency

What is the first step in troubleshooting a hydraulic system problem?

• Bleed air from the system

• Test hydraulic system pressure

• Inspect for leaks

• Replace hydraulic components