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general hvac knowledge

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