cold water

Fluid category 1 represents:

• A serious health risk

• A significant health risk

• A slight health risk

• No health risk

Which one of the following water

pipes connects the local main to the water undertaker’s stop valve?

• The distribution pipe

• The feed pipe

• The communication pipe

• The service pipe

Which one of the following back flow

prevention devices must be

installed on a supply to a hose union bib tap, according to the Water Regulations?

• AUK 2 air gap

• Single check valve

• Fullway gate vale

• A double check valve

The plastic medium density supply pipe, which is blue, is manufactured from which of the following materials?

• Polyethylene

• Polystyrene

• Polypropylene

• Polybutylene

The Water Regulations state that a mixer tap which allows the hot and cold water to mix in the body of the tap with unbalanced pressures must have:

.

• Double check valve on both hot and cold supplies

• Single check valve of both hot and cold supplies

• AUK 3 air gap.

• AUK 2 air gap

If a hand basin has submerged

taps, which one of the following back flow prevention devices does the

Water Regulations say must be

installed?

• Double check valve

• AUK 3 air gap.

• Overflow

• Single check valve

When installing pipework in a

property, what must happen to all open-ended pipework if you leave the site?

• Capped off with an appropriate fitting

• Appliances must be fitted

• crimped and soldered

• Labelled and taped

A commissioning report would include which of the following?

• Invoice, address and final comments

• Chlorination figures, discharge rates and duration of test pressures

• Service plan, comments on job, manufacturer’s instructions

• Duration of job, list of test techniques, extra costs incurred

A notification to the water undertaker should be sent in which of the following situations?

• When a fitting is connected to a lead supply

• When a material change of use has occurred

• When a single check valve has been installed

• When an outside tap has been fitted

A type BA back flow prevention device can be used to guard against back siphonage and back pressure risk up to category 5

• true

• false