Preview Questions Commissioning Engineer | Role Specific Skill

Question 1: What is the main reason for performing a high-potential (hipot) test during commissioning of electrical equipment?

Which action should you take?

Choose only one option

To measure the electrical consumption of the equipment

To ensure insulation integrity at high voltages

To check the operational speed of control circuits

To ensure the component is operational under normal conditions

Question 2: In a commissioning project, when should a commissioning engineer involve the client in decision-making for design changes?

Which action should you take?

Choose only one option

As soon as changes are identified that affect system performance

Only at the final stages of testing

When the project is behind schedule

When the client requests a meeting during project delivery

Question 3: When performing commissioning tests on a power distribution panel, which test is critical for verifying the panel's protection mechanisms?

Which action should you take?

Choose only one option

Overcurrent protection test

Power factor test

Insulation resistance test

Leakage current test

Question 4: What is the purpose of performing a transformer turns ratio test during commissioning?

Which action should you take?

Choose only one option

To verify that the transformer winding ratio is correct and meets specifications

To check for any electrical leakage from the transformer

To measure the dielectric strength of the transformer insulation

To assess the operational efficiency of the transformer

Question 5: During commissioning of a high-voltage transmission line, what is the primary test conducted to verify the line's condition?

Which action should you take?

Choose only one option

Insulation resistance testing

Load current and voltage drop testing

Surge impedance testing

Grounding system resistance testing

Question 6: When commissioning an uninterruptible power supply (UPS) system, what is the first thing to check before turning on the system?

Which action should you take?

Choose only one option

Verify the battery voltage and connections

Ensure the output voltage regulation is set

Confirm that the inverter circuit is functional

Check the system's thermal performance