WorksheetsQuiz on Plastic Pressure Pipe Sizes
Total questions: 39
Worksheet time: 20mins
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
What is the purpose of a coupling in plumbing?
To connect two pipes in a straight line
To cap the end of a pipe
To reduce the size of a pipe
To connect three pipes at a 90-degree angle
Which push-fit fitting is used to change the direction of a pipe by 90 degrees?
Reducer
Elbow
Tee
Stop-end
What is the function of a reducer in plumbing?
To connect two pipes of the same size
To cap the end of a pipe
To connect three pipes at a 90-degree angle
To connect pipes of different sizes
Which fitting is used to close the end of a pipe?
Tee
Coupling
Stop-end
Elbow
What are push-fit fittings classified as?
Reusable
Disposable
Single-use
Non-removable
What tool is used to remove push-fit fittings?
Release key
Screwdriver
Hammer
Wrench
What varies according to the manufacturer in push-fit fittings?
Style of release key
Color of the fitting
Material of the fitting
Size of the fitting
What type of compression fitting is required for plastic pressure pipework?
Type A
Type B
Type C
Type D
What does a 'type A' compression fitting do?
Compresses the olive onto the pipework
Requires the pipe to be manipulated
Expands the pipe
Seals the pipe with glue
What materials are typically used for the 'olive' in compression fittings?
Copper or brass
Steel or aluminum
Plastic or rubber
Wood or ceramic
What is the purpose of compressing the 'olive' in a compression fitting?
To create a decorative finish
To keep the water-tight seal
To increase water flow
To reduce noise
What can be used around the olive to enhance the seal in compression fittings?
Glue
Seal paste
Paint
Tape
What is the purpose of a Tee fitting in plumbing?
To connect three pipes at a 90-degree angle
To stop the flow of water
To reduce the pipe size
To connect two pipes in a straight line
Which compression fitting is used to connect two pipes in a straight line?
Tee
Coupling
Elbow
Reducer
What is the function of an Elbow fitting?
To connect pipes at a 90-degree angle
To stop the flow of water
To connect three pipes
To reduce the pipe size
Which fitting is used to stop the flow of water in a pipe?
Tee
Coupling
Stop-end
Reducer
What is the purpose of a Reducer fitting?
To connect three pipes
To reduce the pipe size
To stop the flow of water
To connect pipes at a 90-degree angle
What are the three main parts of a compression fitting?
The body, the olive, the back nut
The valve, the gasket, the seal
The pipe, the connector, the washer
The screw, the bolt, the nut
What is the purpose of tightening the nut in compression fittings?
To deform the shape of the pipe
To compress the olive onto the pipe without deforming it
To loosen the olive from the pipe
To expand the pipe
Why is the clipping distance for plastic pressure pipe less than for copper pipe?
Plastic pipe is more flexible.
Copper pipe is more flexible.
Plastic pipe is more rigid.
Copper pipe is more rigid.
What can happen to polybutylene pipe if it is not clipped correctly?
It can sag.
It can expand.
It can shrink.
It can harden.
What is the horizontal spacing for a pipe with a diameter of 22mm?
0.3 m
0.5 m
0.8 m
1.0 m
For a pipe with a diameter of 28mm, what is the vertical spacing?
0.5 m
0.8 m
1.0 m
1.2 m
Which pipe diameter has a horizontal spacing of 0.3 m?
15mm
22mm
28mm
35mm
What is the primary function of clips used for plastic pressure pipes?
To increase water flow
To prevent sagging, movement, and damage
To enhance pipe color
To reduce pipe length
What is a characteristic of a plastic interlocking pipe clip?
It can be connected to each other side by side.
It is used individually.
It is only available as a double clip.
It cannot be connected to other clips.
How is a plastic single push-in pipe clip typically used?
It is used individually and is also available as a double clip.
It can only be used in pairs.
It is not available as a double clip.
It must be connected to a metal clip.
What is a double plastic push-in clip with saddle clips used for?
To secure a single pipe
If two pipes run in the same direction
To hang pipes from the ceiling
To connect pipes at a right angle
What is a plastic nail-on clip used for?
To secure pipes to a wall
To connect two pipes
To hang pipes from the ceiling
To insulate pipes
