Worksheetsprocessppt2plenary
Total questions: 16
Worksheet time: 34mins
Explain the correct procedure for changing a hacksaw blade.
Why is it important to remove internal burrs after cutting a pipe with tube cutters?
State two types of soldered capillary joints.
When might it be desirable to use flame-free methods of jointing copper pipes?
How can you ensure that the tube has been fully inserted into a push-fit fitting?
Find out and list the names of three manufacturers of push-fit fittings for copper tube.
When using copper pipework, the X dimension is:
The centre of the fitting to the engaged length
The edge of the fitting to the edge of the pipe
The centre of the fitting to the end of the pipe
The engaged length to the end of the pipe.
How is a soldered joint formed? Circle the correct answer.
When the fitting is heated, the flux melts and forms a seal.
When the fitting is heated, the solder melts and is drawn into the fitting by capillary action.
When the fitting is heated, the copper fuses together.
When the fitting is cooled, the oxide forms and seals the joint.
How can you tell the different grades of LCS apart?
What are the two main methods of jointing LCS?
The two main types of material used for fittings to joint LCS are:
steel
stainless steel
copper
malleable iron
cast iron
Which plastic pipe is used for underground services and what is its colour code?
What happens to the two surfaces that come into contact with solvent weld cement?
What is the function of the O-ring in the pipe fitting assembly?
To provide a seal and prevent leaks.
To increase the water pressure.
To support the pipe structurally.
To conduct electricity.
Name the part that is inserted into the main body of the fitting in the diagram.
Pipe or tube
Valve
Gasket
Washer
