How do you approach system water quality testing and chemical treatment in hydronic applications?

    Unlocking the Secrets of Skilled Professions

    Sample interview questions: How do you approach system water quality testing and chemical treatment in hydronic applications?

    Sample answer:

    1. Gather System Information:
    2. Collect data on the system’s age, type of piping, components, and operating conditions.
    3. Determine the system’s design temperature and pressure, as well as the makeup water source.

    4. Conduct a Visual Inspection:

    5. Inspect the system for signs of corrosion, leaks, and scale buildup.
    6. Check the condition of expansion tanks, air vents, and strainers.

    7. Take Water Samples:

    8. Collect water samples from various system points, such as the boiler, supply and return lines, radiators, and makeup water source.
    9. Label and date the samples properly.

    10. Perform Water Quality Tests:

    11. Test the water samples for pH, alkalinity, hardness, chloride, sulfate, and dissolved oxygen content.
    12. Compare the results to industry standards and manufacturer’s recommendations.

    13. Interpret Test Results:

    14. Analyze the water quality test results to identify potential problems, such as corrosion, scale formation, or bacterial growth.
    15. Determine if the water quality meets the system’s requirements and manufacturer’s specifications.

    16. Recommend Chemical Treatment:

    17. Select appropriate chemical treatment products ba… Read full answer

      Source: https://hireabo.com/job/12_0_14/Hydronic%20Technician

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