GMJ 9189 Phase 1 Unit 302

Which of the following materials is not suitable for a domestic cold water system?

• R250 copper

• Polybutylene pressure pipe

• R220 copper

• Low carbon steel

Which grade of low carbon steel is used for central heating systems?

• Red

• Blue

• Brown

• Green

What do the Water Regulations state about the use of lead in cold water systems?

• Lead must not be used on cold or hot water systems

• Lead can be installed if the customer is informed

• Lead can only be used on cold water systems but not on hot water systems

• Lead must be installed with care

Identify into which fitting an olive is used to create a watertight joint.

• compression

• press fit

• push fit

• solder ring

What type of drill is this?

• Cordless Drill

• Combi Drill

• Core Drill

• SDS Power Drill

What is the maximum depth to which a notch can be cut?

• 0.007S

• 0.125D

• 0.25D

• 0.375S

Which building regulation do notching and drilling of joists come under?

• Approved Document P

• Approved Document L

• Approved Document H

• Approved Document A

Where would a plumber use a mirror screw?

• Securing floorboards

• Attaching a bath panel

• Securing a clip

• Attaching a pump

What type of material would this fixing be used on?

• Wood

• Masonry

• Plasterboard

• Metal

When using a munsen ring to secure pipework in position, which of the following statements is important to follow?

• Copper pipe must be secured in a cast iron munsen ring

• Low carbon steel must be secured in a brass munsen ring

• Brass munsen rings must be used on copper pipework

• Cast iron munsen rings can secure any material