Plumbing Processes PPT 5 - Copper and LCS pipework

What organization is WRAS?

• Water Reservation Assessment Service

• Water Regulations Advisory Scheme

• Water Regulations Assessment Scheme

• Water Reservation Admission Service

What is the role of the Institute of Plumbing and Heating Engineers (IOPHE)?

• Offer advice and information

• Provide water regulations

• Offer guidance as the plumbing lead body

• Issue British Standard Kitemarks

What is the standard for copper tubes used in water, gas, and sanitation installations?

• BS EN 1057

• ISO 9001

• ASTM B88

• DIN 2391

Which grade of copper tube is fully annealed and supplied in coils?

• R220

• R250

• R290

• R300

What is the most widely used grade of copper tube for plumbing and heating applications?

• R250

• R220

• R290

• R300

Which grade of copper tube is hard tempered and not normally used in the UK?

• R290

• R220

• R250

• R300

Why is it important to protect copper pipes in vulnerable areas?

• To prevent corrosion

• To enhance conductivity

• To improve water flow

• To reduce noise

When is copper most vulnerable?

• When exposed to sunlight

• When laid in concrete flooring

• When used in electrical wiring

• When painted

Which of the following tools can be used to bend soft coils and half-hard copper tubes?

• Welding torch

• Bending springs

• Hammer

• Screwdriver

What is one advantage of bending pipe rather than using a fitting?

• Increases frictional resistance

• Costs more

• Less frictional resistance

• Requires more time