Plumbing Materials Quiz

What process is used to manufacture plastic pipe and fittings?

• None of the above

• Both extrusion and injection molding

• Injection molding

• Extrusion

What is the purpose of an expansion loop in PEX plastic tubing?

• To reduce noise

• To compensate for expansion and contraction due to temperature changes

• To increase water pressure

• To prevent leaks

How is plastic pipe marked?

• With the manufacturer's name only

• Plastic pipe is not marked

• With the pipe size and resin type only

• With the manufacturer's name, pipe size, resin type, and more

What are ABS DWV fittings used for?

• Underground water service applications

• Fire-rated walls, floors, and ceilings

• Sanitary drainage and vent piping

• Hot and cold water distribution

What are CPVC fittings commonly used for?

• Hot and cold water distribution systems

• Sanitary drainage and vent piping

• Underground water service applications

• Fire-rated walls, floors, and ceilings

How are the ends of PE pipe typically joined together?

• Using soldering

• Using a heat fusion machine

• Using adhesive

• Using compression fittings

What is the outside diameter of copper tube determined by?

• The type of copper used

• The manufacturing process

• The inside diameter

• The wall thickness

What are copper solder joint pressure fittings used for?

• Aboveground water supply applications

• Fire-rated walls, floors, and ceilings

• Sanitary drainage and vent piping

• Underground water service applications

What are copper press fittings used for?

• Aboveground water supply applications

• Sanitary drainage and vent piping

• Underground water service applications

• Fire-rated walls, floors, and ceilings

What are no-hub cast iron soil pipe and fittings primarily used for?

• Aboveground applications

• Underground applications

• Hot and cold water distribution

• Sanitary drainage and vent piping