Plumbing Connection Methods Quiz L2.1 level 2

What material is commonly used for water mains in the United Kingdom?

• Steel

• Aluminum

• Copper

• MDPE

Who is responsible for making connections, maintenance, and repairs to the water main?

• Plumbing companies

• Property owner

• Local government

• Water undertaker or its contractors

How are connections made to cast iron water mains?

• Welding

• Bolting

• Soldering

• Self-drilling and self-tapping

What type of ferrule is used for PVCu, polyethylene, and cement lined asbestos water mains?

• Brass strap

• Aluminum ring

• Steel clamp

• Copper sleeve

What is the communication pipe connected to at the property boundary?

• Internal stop valve

• Water meter

• Pressure regulator

• Main external stop valve

What is the recommended depth for installing the supply pipe?

• 750mm - 1350mm

• 500mm - 1000mm

• 2000mm - 2500mm

• 1500mm - 2000mm

What type of pipe is used for modern water supplies in houses and bungalows?

• Medium Density Polyethylene pipe

• High Density Polyethylene pipe

• Lead pipe

• Copper pipe

Where is a water meter usually fitted for new installations?

• On the communication pipe

• At the property boundary

• In a meter housing on the outside of the building

• Inside the building

What type of stop tap should be installed above finished floor level inside the building?

• Check valve

• Gate valve

• Pressure relief valve

• Screw down stop tap

What is the recommended maximum length of MDPE pipe showing above floor level inside the building?

• 200mm

• 150mm

• 100mm

• 50mm