unit 110- Plastic Pressure Pipe ppt 2

What are the two most common sizes for plastic pressure pipes in domestic installations?

• 10mm, 20mm

• 15mm, 22mm

• 18mm, 25mm

• 12mm, 30mm

Which of the following is a common size for plastic pressure pipes used in domestic installations?

• 15mm

• 30mm

• 25mm

• 10mm

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

• Welding

• Using push-fit fittings

• Using screws

• Using glue

What is essential when using plastic pressure pipe with push-fit fittings?

• Using glue

• Using inserts to reinforce the pipe

• Heating the pipe

• Painting the pipe

What components are used in push-fit fittings to hold the fitting in position and make a water-tight seal on the pipe?

• Stainless steel grab ring and rubber O-ring

• Plastic grab ring and rubber seal

• Metal clamp and silicone ring

• Plastic clamp and silicone seal

Why is it important to mark the depth of the pipe before fitting in push-fit fittings?

• To ensure the pipe is inserted to the correct depth

• To prevent the pipe from slipping out

• To make the installation process faster

• To avoid damaging the pipe

Explain the process of fitting a push-fit component as shown in the image. Include the step: 'Push the insert fully into the pipe.'

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

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

• What is the step after pushing the insert fully into the pipe?

• What is the step before pushing the insert fully into the pipe?

Mark the fitting depth to ensure the pipe is fully home in the fitting. Explain why this step is important in plumbing.

• To prevent leaks and ensure a secure connection

• To make the pipe look aesthetically pleasing

• To reduce the cost of plumbing materials

• To increase the water pressure in the system

What is the name of the push-fit fitting shown in the image?

• A) Tee

• B) Coupling

• C) Elbow

• D) Reducer

What is the name of the push-fit fitting shown in the image?

• A) Tee

• B) Coupling

• C) Elbow

• D) Reducer