GMJ 6035 level 2 Cold Water No.1

Precipitation occurs when?

• Water vapour in the atmosphere evaporates and falls as rain

• Water vapour in the atmosphere condenses and falls as rain

• Water vapour in the atmosphere dissolves and falls as rain

• Water vapour in the atmosphere recycles and falls as rain

What is shown above?

• Peglar Valves

• Schroder Valves

• Ceramic Disc Cartridges

• Niel Cartridge Valves

Which one of the following is not an underground water source?

• Borehole

• Shallow Well

• Artesian Well

• Stream

What other type of water supply can be used instead of a water undertakers main for domestic properties?

• Public

• Private

• Company

• Retrospective

The place where water is processed and turned into wholesome water is?

• A processing plant

• An ionisation works

• A disinfection plant

• A Treatment Works

Water what is fit for drinking is classified as?

• White Water

• Wholesome Water

• Holy Water

• Grey Water

What are the maximum and minimum pipework depths underground?

• 1350mm and 750mm

• 100mm and 400mm

• 1700mm and 900mm

• 2000mm and 950mm

An advantage of an indirect cold water system installed in a domestic property is it....?

• Works at a higher pressure than a direct system

• Requires much less maintenance than a direct system

• Is cheaper to install compared to a direct system

• Will provide for backup if the mains supply fails

What is the minimum recommended size of a cold water distributing pipe feeding the cold water outlets of an indirect system in a small house?

• 10mm

• 15mm

• 22mm

• 28mm

It is important to install taps that have a correct air gap to prevent?

• Aeration

• Backflow

• Pressure Loss

• Reduced Flow Rate