Module 6 Plastic Pipe and Fittings

Which of the following is not an advantage of using plastic pipes and fittings in piping​ systems?

• Resistant to chemicals

• Harmless joining techniques

• Low maintenance

• Easy to handle

A characteristic of thermoplastic pipe is that it​ _____.

• Can withstand repeated softening and hardening

• Is available only with cellular core walls

• Hardens permanently after heating

• Changes chemically when heated

The minimum plastic pipe size specified by most codes for pipes installed in or under buildings is​ _____.

• SDR 44

• SDR

• Schedule 80

• Schedule 40

Which of the following pieces of information would not be found on plastic pipe​ labeling?

• Country of origin

• Type of solvent cement used for joining

• Name of manufacturer

• Type of material

Because it​ hasn't been manufactured since the​ mid-1990s, you may still come across​ _____ piping in existing​ installations, though you are unlikely to ever install it.

• PE

• PEX

• PB

• PBX

Use​ a(n) ____ to connect pipes of different sizes

• Reducer

• Elbow

• Union

• Coupling

To run several water supply lines from a single source use​ a(n) _____.

• Union

• Cap

• Manifold

• Tee

Which of these fittings can be used to create an air chamber to eliminate water​ hammer?

• Plug

• Cap

• Union

• Elbow

A​ ____ forms a mechanical connection between two pipes.

• Reducer

• Union

• Tee

• Couplin

The type of fitting or joint required on a pipe is determined by​ ______.

• pressure

• the pipe's use

• type of material

• length