What material is used for refrigerant piping heating, air conditioning, and refrigeration systems?
A) Iron pipe B) Copper tubing C) Aluminum tubing D) Galvanized pipe
B
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A circuit that has ____ connected to it is considered energized.
a. wires b. power c. adapters d. breakers
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Sometimes plants are named for where they grow naturally
Indicate whether the statement is true or false
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Give one of three names of a system that uses a counter-flow heat exchanger between the inbound and outbound airflow that provide fresh air and improved climate control, while also saving energy by reducing the heating or cooling needs of the home.
What will be an ideal response?
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In direct current motors, by what is the initial in-rush current limited?
What will be an ideal response?
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