- Measure and interpret total external static pressure (TESP) and identify consequences of excessive pressure drop
- Perform visual duct inspections and recognize common defects including flex duct sagging, leaks, and undersized runs
- Calculate airflow using Pitot tube traverse, powered flow hood, temperature rise method, and face velocity measurement
- Diagnose filter-related pressure drop, register delivery problems, and duct system restrictions
- Apply proper measurement procedures including Pitot tube traverse patterns for round and rectangular ducts
- Select and use the correct tools for measuring static pressure and airflow in ductwork
- Interpret static pressure readings on both sides of the blower to identify restrictions
- Perform duct leakage testing at standard test pressures and calculate leakage as a percentage of system airflow
Ready to test your knowledge?
Take the practice exam to see how well you've mastered the material.
Ready to test your knowledge?
Take the practice exam to see how well you've mastered the material.
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