Sample interview questions: What steps do you take to ensure proper calibration and maintenance of water treatment instruments?
Sample answer:
Calibration Steps:
- Review manufacturer’s specifications: Determine the recommended calibration frequency and procedures.
- Gather necessary equipment: Calibrator, test solutions, glassware, and safety gear.
- Prepare test solutions: Accurately create test solutions with known concentrations.
- Connect calibrator: Connect the calibrator to the instrument and ensure proper electrical connections.
- Zero instrument: Adjust the instrument to read the zero reference value using the appropriate test solution.
- Calibrate instrument: Introduce the test solutions of known concentrations and adjust the instrument settings to match the expected readings.
- Document calibration: Record the calibration date, time, operator, test solution concentrations, and any adjustments made.
Maintenance Steps:
- Regular inspections: Visually inspect instruments for d… Read full answer
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