Preview Questions Commissioning Engineer | Role Specific Skill

Question 1: How is a short circuit withstand test conducted on electrical panels?

Which action should you take?

Choose only one option

By applying a low voltage to the circuit and monitoring the arc behavior

By measuring the maximum temperature of the panel under load conditions

By applying a fault current at the rated short-circuit level and monitoring the response

By testing the insulation resistance under a short-circuit condition

Question 2: What is the role of a commissioning checklist in documentation?

Which action should you take?

Choose only one option

To ensure that all steps are completed and verified during the commissioning process

To summarize the project's costs and timelines

To assign tasks to various team members

To list all equipment used during the installation

Question 3: When coordinating the installation of transformers, which of the following is critical to ensure system reliability?

Which action should you take?

Choose only one option

Correct transformer sizing

Ensuring correct transformer tapping

Proper ventilation and cooling arrangements

Ensuring proper loading during installation

Question 4: During the installation of high-voltage equipment, which step is critical to verify the integrity of insulation?

Which action should you take?

Choose only one option

Verify proper cable terminations

Measure the ground resistance

Perform a high-voltage dielectric test

Confirm the voltage ratings of all components

Question 5: What is the primary purpose of performing a "secondary injection" test on a protection relay during commissioning?

Which action should you take?

Choose only one option

To test the system for any thermal overload

To check the accuracy of the relay's measurement circuit

To confirm the relay's response under low-voltage conditions

To simulate fault conditions and verify the relay's response

Question 6: When preparing commissioning documentation, which of the following must be verified first?

Which action should you take?

Choose only one option

The color and size of labels on equipment

The brand and model of equipment used

Compliance with relevant local, national, and international standards

The time required for the installation