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Heat Pump & AC Basics

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Horizontales
To properly check an energized compressor circuit the technician should use a VOM set for _________ ?
A voltage reading across a closed contact in a 24V control circuit indicates?
Drive slips/cleats are typically installed on what sides of a rectangular duct?
The outdoor fan on a heat pump stops during defrost to __________ defrost times?
On a dual fuel system what must be added so both units don't run at the same time?
On a service call for a cooling problem with a heat pump, the liquid line has condensation on it the most likely cause would be the liquid line is _________ .
What type of leak detector can detect a 0.05 oz. per year loss of refrigerant?
The best way to balance a system?
A residential supply diffuser that is noisy because of a loose vane is best serviced how?
Can cause a lower than normal suction pressure
A wet bulb and dry bulb reading that are very close to each other means that the ___________ is high.
Verticales
What effect does a low charge have on reversing valve operations?
A bright red or orange glow from the resistance element in a duct heater means the air flow is?
The component used to reduce sound transmission and prevent water leaks on a roof top package unit.
What is used when brazing to prevent oxidation?
In a low voltage circuit, a corroded wire to terminal connection acts like an additional _________ ?
To properly set a heat anticipator it is necessary to check the heating circuit _________ .
The kind of energy that the condenser removes is both sensible and __________ ?
If the technician believes that a hermetic compressor has a permanently open internal overload protector, the technician should test the compressor while it is _________ ?
When balancing a newly installed zone system, the dampers should be completely __________ ?
Refrigerant boils in the _________ ?