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A building remains humid despite meeting dry-bulb setpoint. What should be evaluated?

California C-20 exam practice question · Troubleshooting, Repair & Maintenance

A building remains humid despite meeting dry-bulb setpoint. What should be evaluated?

  • ATemperature setpoint only
  • BLarger fan speed in every case
  • CDisable condensate drainage
  • Moisture loads and control strategy

Why D is correct

Humidity problems can result from oversized equipment, excessive airflow, outdoor air, infiltration, or control sequence. A dry-bulb reading alone does not diagnose moisture performance.

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