Common Plumbing Processes

Plastic coated copper is called what?

• Pitfall

• Kuterlex

• kitemark

• liner

What is the most common grade of copper used?

• R250

• G250

• B250

• L250

Soft copper is what grade?

• G220

• A220

• R220

• R250

What is the colour code of light low carbon steel?

(a)  

What is the colour of medium carbon steel?

(a)  

What is the colour of heavy carbon steel?

(a)  

Low Carbon Steel is used extensively on commercial and industrial systems?

• True

• False

1/2 inch low carbon steel is equivalent to what size in 'mm''

(a)  

3/4 low carbon steel is equivalent to what size in 'mm'

(a)  

What type of plastic pipe is used for mains cold water (MDPE) and gas

• PVC

• Polybutylene

• ABS

• polyethylene