Cold Water Quiz 7

Which one of the following is the correct horizontal clipping interval for a 15mm copper tube?

• 1.2m
• 1.5m
• 1.8m
• 2.0m

Which one of the following is the correct vertical clipping interval for a 22mm copper tube?

• 2.4m
• 1.5m
• 1.8m
• 2.0m

Which one of the following is the correct horizontal clipping interval for 22mm copper tube?

• 2.4m
• 1.5m
• 1.8m
• 2.0m

Which one of the following is the correct vertical clipping interval for 15mm copper tube?

• 1.2m
• 1.5m
• 1.8m
• 2.0m

One of the major problems when leaving a dead leg in a cold water pipe is?

• Reduction in water flow
• Pitting of pipework
• Electrolytic corrosion
• Possible bacterial growth

What is the most cost effective way to repair a stop valve that has the head gear jammed open?

• Replace the body of the valve
• Freeze below the stop valve and then replace
• Replace the head gear only
• Replace the complete stop valve

A new water service pipe to a property, it should normally be buried between what depths?

• 750mm to 1,350mm
• 1050mm to 1,800mm
• 550mm to 1,500mm
• 700mm to 1,8000mm

What valve is designed to shut off the supply of water in a cistern at a predetermined level?

• Syphonic valve
• Float operated valve
• Service valve
• Double check valve

The minimum amount of headroom required above a Cold Water Storage Cistern can be found in the?

• Building regulation part G
• Water Regulations Guide
• Building regulation part B
• Building regulation part L

If a customer’s tap is dripping, what tool can be used to correct the situation?

• Stilsons
• Pipe slice
• Reseating tool
• Pliers