Preview Questions Control Systems Technician | Role Specific Skill

Question 1: In PLC programming, what is the primary purpose of using a latch instruction (Set/Reset)?

Which action should you take?

Choose only one option

To reset the system during an error

To maintain a process variable

To hold a bit in a set or reset state

To store data for later use

Question 2: How is contact resistance measured in switchgear or circuit breakers?

Which action should you take?

Choose only one option

Using a micro-ohmmeter

Using a continuity tester

Using a clamp-on ammeter

Using a digital multimeter

Question 3: In ladder logic programming, which symbol represents a normally closed contact?

Which action should you take?

Choose only one option

A circle with a diagonal slash

A horizontal line

A vertical line

A circle with a diagonal line across it

Question 4: During system diagnostics, you notice a sensor is not providing correct readings. What is your next troubleshooting step?

Which action should you take?

Choose only one option

Inspect the wiring and connections to the sensor

Verify the sensor is correctly installed in the system

Replace the sensor with a new one immediately

Calibrate the sensor using the manufacturer's settings

Question 5: When testing a grounding system using a ground resistance tester, what is considered an acceptable value for ground resistance in industrial systems?

Which action should you take?

Choose only one option

Between 10-20 ohms

Less than 50 ohms

Less than 5 ohms

More than 100 ohms

Question 6: What is the maximum allowable insulation resistance value for a medium-voltage circuit during a megger test?

Which action should you take?

Choose only one option

100 M?

500 k?

1 M?

10 M?