level 3 mock test

1 Explain the categories described in the Water Supply (Water Fittings) Regulations 1999.

• Erroneous measurements

• Contamination

• Undue consumption

State the equipment needed to measure flow rate at an outlet.

Explain why multiple Cold Water Storage Cisterns (CWSC) must be coupled or connected if they are supplying a building consuming large quantities of water

State the difference between Direct and Indirect boosted cold water systems

State three mechanical backflow devices.

6 State the Fluid Category risk for each appliance according to Water Supply (Water Fittings) Regulations 1999.

• Hose union tap

• Washing Machine

• Rain Water Harvesting

Hot water systems can be divided into two categories, centralised and localised. Give a brief explanation and example of each category.

Explain how unvented systems above 15 Litres allow for the expansion of water.

Explain three installation requirements of an unvented hot water cylinder.

What is the maximum length of the D1 discharge pipework on an unvented hot water system (UVHWS).