WorksheetsUNIT 109 PPT 3 KNOWLEDGE CHECK AND STARTER.
Total questions: 11
Worksheet time: 6mins
What does a 'Coupling' do in copper pipe joining?
It allows a connection to be made to the pipework run
It seals the end of a pipe
It allows two pieces of copper tube to be connected together
It increases the diameter of a pipe
What is the purpose of an 'Elbow' in copper pipe fittings?
To connect pipes of different diameters
To allow the pipework to change direction by 90 degrees
To increase the pipe diameter
To seal the end of a pipe
What does a 'Reducer' fitting do in copper piping?
Allows the connection of a smaller diameter of pipe
Changes the direction of the pipe
Seals the pipe end
Increases the pipe diameter
Why are end feed fittings considered non re-usable?
They are too expensive
They cannot be moved once soldered
They are made of plastic
They are too fragile
What is the type of fitting that you do not add solder to called?
Compression fittings
Solder ring fittings
Push-fit fittings
End feed
How does the solder flow around the fitting in solder ring fittings?
By gravity
By capillary action
By pressure
By diffusion
Why is a square and clean cut end to the pipe necessary?
To improve water flow
To avoid damaging the 'O' ring
To reduce installation time
To enhance the pipe's appearance
Which component is part of the push fit fitting?
Nut
Grab ring
Washer
Bolt
What is the function of the O ring in the push fit fitting?
To secure the fitting
To provide a seal
To connect the pipes
To add weight
What is the role of the tube insert in the push fit fitting?
To secure the fitting
To allow pipe connection
To provide a seal
To add rigidity so the pipe does not squash.
why do we use pipe clips? tick all the right answers.
Prevent sagging,
Prevent noise
looks good
Prevent movement and damage to the pipe and fitting.
keeps the pipe straight
