Plumbing Quiz

Which of the following materials is not suitable for a domestic cold water system?

• R250 copper

• Polybutylene pressure pipe

• R220 copper

• Low carbon steel

Which grade of low carbon steel is used for central heating systems?

• Red

• Blue

• Brown

• Green

What do the Water Regulations state about the use of lead in cold water systems?

• Lead must not be used on cold or hot water systems

• Lead can be installed if the customer is informed

• Lead can only be used on cold water systems but not on hot water systems

• Lead must be installed with care

Identify the equal tee compression fitting.

• Image a

• Image b

• Image c

• Image d

Which of these fittings is a waste pipe fitting?

• a

• b

• c

• d

Identify into which fitting an olive is used to create a watertight joint.

• Push fit

• Solvent weld

• Press fit

• Compression

What type of joint is pictured here?

• Solvent weld waste pipe joint

• Low carbon steel hemp and paste joint

• Compression waste pipe joint

• Push fit polybutylene joint

What type of drill is this?

• Battery drill

• SDS power drill

• Multi drill

Identify the material on which this drill bit can be used.

• Masonry products

• Wooden frames

• Steel cases

• Plasterboard

What is the maximum depth to which a notch can be cut?

• 0.007S

• 0.125D

• 0.25D

• 0.375S