Plastic Pipe and Fittings Review

An advantage of using plastic pipe in plumbing installations is that plastic _____.

• is flame retardant

• burns without fumes

• adjusts easily to temperature changes

• requires little maintenance

A disadvantage of PVC plastic pipe is that it _____.

• has a limited life span

• can be weakened by chemicals

• is sensitive to sunlight

• s heavy

Because of the pipe material's flexibility, manifold plumbing distribution systems are commonly made using ____.

• PVC pipe

• PEX pipe

• PE pipe

• PB pipe

For a given nominal pipe size, the larger the SDR number, the _____.

• thicker the wall pipe

• thinner the wall pipe

• higher the pipe working pressure

• stronger the pipe

Most plastic pipe and fittings do not react with other substances or materials, which means they are chemically _____.

• volatile

• reactive

• stable

• inert

In addition to PVC pipe, another pipe material that is often used in DWV systems is _____.

• PE

• PEX

• CPVC

• ABS

To maximize productivity on the job, a plumber should _____.

• precut and preassemble all pipe sections and fittings based on the project drawing before beginning installation

• secure all the pipe fittings in a job box away from the work area to prevent thef

• wash and dry PVC parts in the sun to remove mold-release oils before installation

• organize pipe fittings and pipe by size and type to make selecting parts more efficient

Water supply fittings are designed so they have a _____.

• short radius with ledges

• short radius without ledges

• long radius with ledges

• long radius without ledges

When joining ABS pipe to PVC pipe, the correct joint requires a _____.

• butt fusion

• solvent weld

• transition fitting

• compression fitting

Pressure-type fittings for use with water supply have a _____.

• short turn

• long turn

• short leg

• long leg