When soldering or brazing, the solder is ____.
A) heated directly by the flame of the heat source
B) heated by the surrounding air
C) used to oxidize the metal
D) melted by heat from the tubing and fitting
Correct Answer:
Verified
Q4: K-type copper is heavy duty with a
Q5: DWV copper stands for drain, waste and
Q6: For cleaning ACR copper tubing before soldering,
Q7: When joining steel pipe, a _ should
Q8: M is a lightweight copper and is
Q10: L-type copper is considered medium weight and
Q11: Filler materials used in the high temperature
Q12: Pipe threads, when used on pipe that
Q13: When tubing is cut with a tubing
Q14: Molten solder flows between the two base
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