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general hvac knowledge

Across
The inlet of supply air to the unit is covered by this
The institute you get certified through
Unit of measurement for airflow
Installed in heat pumps so the refrigerant doesn't flow backwards through the metering device
Suction line/blue hose and gauge
Vacuums are measured in inches of what
Unit of measurement to measure gas pressure
Electrical potential
Gas used for brazing
A 45 degree angle on a copper tube end
Used to measure air speed
Used to measure atmospheric pressure
Usually connected on the end of a supply duct
Makes air conditioning possible
Down
Do not let oxygen come in contact with this common lubricant
Type of motor used to remove flue gases
The unit of measurement capacitors are rated in
Changes the potential of voltage
A tool used to clean the ends of copper pipe
PVC
The heart of the air conditioning system
Acts as a cleaner and lubricant for welding
Uses the microampere current from flame to keep gas valve open
The amount of additional heat removed from the systems saturation temperature
Removes heat into the air in the refrigeration cycle
Unit of measurement for the capacity of air conditioners
The severity of an electrical shock is determined by this