Quiz on Plastic Pressure Pipe Sizes

What are the two most common sizes of plastic pressure pipe for domestic installations?

• 10mm and 20mm

• 15mm and 22mm

• 18mm and 25mm

• 12mm and 24mm

What is the most common way of joining plastic pressure pipes?

• Using pipe manufacturer's own push-fit fittings

• Welding the pipes together

• Using adhesive glue

• Tying with a rope

What is the purpose of using inserts in plastic pressure pipes with push-fit fittings?

• To decorate the pipe

• To reinforce the pipe

• To reduce the pipe's length

• To change the pipe's color

Where are the inserts placed in a plastic pressure pipe with push-fit fittings?

• Outside the pipe

• At the middle of the pipe

• Into the end of the pipe

• On top of the pipe

What is the purpose of the stainless steel grab ring in push-fit fittings?

• To hold the fitting in position on the pipe

• To create a decorative finish

• To increase water flow

• To reduce noise in the pipes

What material is used for the O-ring in push-fit fittings to ensure a water-tight seal?

• Rubber

• Plastic

• Metal

• Wood

What is the purpose of marking the depth of the pipe before fitting in push-fit fittings?

• To ensure the water-tight seal will hold fully.

• To make the pipe look aesthetically pleasing.

• To reduce the cost of materials.

• To increase the speed of installation.

What is the first step in fitting a push-fit component?

• Twist the insert into the pipe.

• Push the insert fully into the pipe.

• Pull the insert out of the pipe.

• Rotate the pipe around the insert.

What is the purpose of marking the fitting depth when installing a push-fit component?

• To ensure the pipe is fully home in the fitting.

• To identify the type of pipe being used.

• To measure the length of the pipe.

• To check the color of the fitting.

Which of the following is a type of push-fit fitting used to connect three pipes at a 90-degree angle?

• Coupling

• Reducer

• Tee

• Stop-end