The tubing or pipe for natural gas supply to a gas heating unit is ____________________.
Correct Answer:
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Q16: When soldering, why should flux be used?
A)
Q17: Pipe threads are standardized by the A.N.S.
Q18: Brazing is done at _ soldering.
A) the
Q19: The maximum temperature at which soft soldering
Q20: When soldering, flux should be applied to
Q22: When installing a refrigeration system, the piping
Q23: Four tools that are needed to properly
Q24: In order to thread steel pipe, _
Q25: Why should some refrigerant lines be insulated?
Q26: The use of flux is always required
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