unit 108 ppt 3 knowledge check

Which of the following is NOT a common type of waste pipe fitting?

• Push-fit

• Compression

• Solvent weld

• Threaded

Which waste pipe fitting is least likely to be used for permanent installations?

• Push-fit

• Compression

• Solvent weld

• Threaded

What can burrs damage if not removed from waste pipe fittings?

• The pipe color

• The O-ring and seals

• The pipe length

• The pipe diameter

What creates the water-tight seal on a push-fit fitting?

• A rubber gasket

• A silicone sealant

• A neoprene O-ring

• A metal clamp

What is the purpose of marking the insertion depth on a waste pipe?

• To ensure the pipe is the correct length

• To indicate if the pipe has been pushed home

• To identify the type of pipe

• To make the pipe look neat

What is the first step in fitting a waste pipe?

• Push the pipe into the fitting

• Line the pipe up with the component

• Tighten the O-ring

• Mark the pipe with a pencil

What is the significance of the pencil mark in waste pipe fittings?

• It indicates full insertion

• It marks the cutting point

• It shows the pipe diameter

• It identifies the pipe material

How many parts are there in a compression fitting?

• Two

• Three

• Four

• Five

What is the purpose of the rubber seal in a compression fitting?

• To add strength

• To prevent leaks

• To provide flexibility

• To secure the fitting

What follows the lock nut in the assembly process of a waste pipe fitting?

• Rubber seal

• Pipe connector

• Reinforcement washer

• Lock nut