Plumbing Materials Quiz

What is the purpose of a fitting in a plumbing system?

• To connect individual pipes

• To measure water flow

• To indicate water flow

• To regulate fluid flow

Which of the following is NOT a characteristic of plastic pipe and fittings?

• Resistance to bacteria growth

• Resistance to most household chemicals

• Smooth interior walls to minimize sludge buildup

• High heat resistance

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

• To secure the fitting in position

• To regulate fluid flow

• To compensate for expansion and contraction

• To prevent decay and bacteria growth

Which of the following is NOT a plastic piping material used for plumbing?

• PEX

• CPVC

• PVC

• ABS

What is the operational temperature range of ABS pipe and fittings?

• 180°F to 300°F

• 32°F to 212°F

• 0°F to 32°F

• -40°F to 180°F

Which type of copper tube has the thickest wall?

• Type K

• Type L

• Type M

• Type DWV

What is the purpose of the copper press fitting method?

• To eliminate the need for soldering

• To improve the corrosion resistance of copper tubing

• To increase the strength of copper tubing

• To reduce copper tubing installation time

What is the outside diameter of 1/2" type K and L copper tube?

• 0.545"

• 0.625"

• 0.450"

• 0.527"

What is the maximum developed length of rigid plastic drainage, waste, and vent piping?

• 50'

• 35'

• 20'

• 10'

What is the purpose of a metal tracer wire in underground PE pipe installations?

• To protect the PE pipe from UV damage

• To locate the PE pipe after it has been buried

• To increase the strength of the PE pipe

• To prevent corrosion of the PE pipe