Cold Water Systems Mock Exam

Which British standard details the installation requirements for cold water systems?

• BS EN 12976

• BS EN 15056

• BS EN 806

• BS 5449

What is the name of the process where water leaves the oceans, rivers and lakes to enter the atmosphere to form clouds?

• Precipitation

• Evaporation

• Condensation

• Recycling

Which one of the following identifies a surface water source?

• Lake

• Borehole

• Deep Well

• Artesian well

Which one of the following identifies a water treatment method for wholesome water prior to distribution to the properties?

• Boiling

• Flushing

• Desalination

• Ionisation

What is the colour coding for Medium Density Polyethylene (MDPE) underground cold water service pipework?

• Yellow

• Black

• Blue

• Green

Which one of the following identifies the pipe work section marked X on the layout diagram of the incoming cold water supply pipe work to a property?

• Distributing pipe

• Supply Pipe

• Communication pipe

• Main pipe

What are the maximum and minimum pipework depths shown as X in the diagram of the cold water supply pipe entry to a house?

• 1000mm and 750mm

• 1350mm and 750mm

• 1700mm and 900mm

• 2000mm and 950mm

The diagram shown illustrates an uninsulated cold water service pipe entering a dwelling. What is the minimum recommended distance for dimension X?

• 450mm

• 900mm

• 750mm

• 1350mm

Refer to the image shown. Items A and B identify which of the following components?

• Item A: internal stop valve, Item B: external stop valve

• Item A: external stop valve, Item B: internal stop valve

• Item A: internal service valve, Item B: external service valve

• Item A: external service valve, Item B: internal service valve

Identify the type of water meter installation shown in the image.

• External

• Internal

• Built-in

• Underground