Plumbing Systems 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.

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Which of these fittings is a waste pipe fitting?

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

• a) Push fit

• b) Solvent weld

• c) Press fit

• d) Compression

What type of joint is pictured here?

• a) Solvent weld waste pipe joint

• b) Low carbon steel hemp and paste joint

• c) Compression waste pipe joint

• d) Push fit polybutylene joint

What type of drill is this?

• a) Battery drill

• b) SDS power drill

• c) Multi drill

• d) Cordless 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