plumbing cold water part 2

What should be installed immediately above any stop valve?

• Shower
• Gate Valve
• Drain-off valve
• CWSC

In this system all cold water taps supply wholesome water.  What type of system is this?

• direct
• indirect
• grey water
• rain water

What is this called?

• Circular saw
• Big round saw
• Pad saw
• Hole saw

What is the purpose of this tool?

• To make holes for pipe connections in CWSC
• To make holes in wood
• To make holes in WC
• To make holes in glass

What pipe size should be used for the cold feed to the  hot water cylinder?

• 10mm
• 20mm
• 15mm
• 22mm

In a direct system, how many litres of water should the cold water storage cistern hold to supply the hot water cylinder?

• 100-150 litres
• 500 litres
• 23 litres
• 50 litres

In an indirect system what is the minimum amount of water required for the CWSC.

• 50 litres
• 23 litres
• 200 litres
• 230 litres

In a CWSC the cold feed to hot water storage cylinder should be 25mm above the cold distribution pipe?

• True
• False
• It does not matter where the pipe are positioned

In a CWSC the cold feed to hot water storage cylinder should be 25mm above the cold distribution pipe?

• True
• False
• It does not matter where the pipe are positioned

Where are these fittings used?

• WC
• Shower
• Bath
• Cold Water Storage Cistern