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Pipe joining methods

The process of joining two pieces of piping that requires the material to be heated occurs with which of the following?

A. plastic
B. copper
C. iron
D. steel

AnswerB. copper is soldered and the material heated. Other methods also exist to join copper such as quick connect fittings. Plastic (A) is joined by solvent welding. Steel (D) or iron (C) piping is usually threaded and joined with couplings and fittings.
ARE 4.0 exam prep: BS

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