CPP Quiz

When bending copper pipe by the spring bending method, the pipe is bent a little more than the angle required; the bend is then opened slightly to:

• ensure that the pipe is bent to exactly the correct angle

• prevent ‘ripples’ forming on the bend

• prevent the pipe being ‘throated’

• release the spring.

A plumber’s first action when receiving delivery of sanitary ware to a site should be to inspect that all items:

• are free from damage/defects

• meet the correct specification

• are Water Regulation Advisory Scheme approved

• include fixing instructions.

What type of screw would be used to fix a radiator bracket to a concrete block wall?

• Steel counter-sunk

• Self-tapping

• Mirror screw

• Chipboard screw

Copper pipes are cleaned to:

• allow the solder to adhere to pipe surfaces

• permit them to be painted

• enable the flux to adhere to the surface

• prevent electrolytic corrosion.

LCS tube can be jointed by:

• capillary joints

• solder ring joints

• bronze welded joints

• threaded joints.

Which of the following is the first action that should be carried out when commencing major installation work in a private dwelling?

• Check the immediate work area for signs of damage to the décor

• Lift the carpets and remove furniture in the work area, sheeting as necessary

• Lift the floorboards and notch the joists in the required positions

• Sheet the carpet and drill holes through external walls, as required

According to regulations, what is the maximum diameter of hole that can be drilled in a first floor joist that is 220mm deep in order to accept plastic pressure pipe?

• 25mm

• 30mm

• 45mm

• 55mm

Medium grade low carbon steel tube is colour coded:

• yellow

• red

• brown

• blue

A mirror screw type fixing is most likely to be used in which of the following circumstances?

• Securing bath panels

• Fixing soil pipework

• Fixing WC pans

• Securing pipe clips

When a materials order is delivered to the site your first action should be to:

• inform the building control officer about the arrival of materials

• open the order and begin working with the new components

• inform the quantity surveyor and ask for instructions

• check the contents of the order against the delivery note