What is the purpose of this item that is attached to a soilpipe that goes between floors in a building

• Fire extrusion collar to prevent a fire spreading

• Expansion collar to allow for thermal expansion

• Slip coupling for joining pipes that go through a floor section

• A damp collar to prevent damp and moisture seeping between floors

Incorrect gas fire performance is indicated by what of these

• Discolouration of the surrounding walls

• Small of fumes

• Flame discolouration

• High gas bill

The quality of materials available for use on site can be obtained from which of these documents

• Site stock record

• Bill of quantities

• Copy of the estimate

• Site meetings

What fraction of a 200mm joist can you notch?

• 1/2- 50%

• 1/4 25%

• 3/4- 75%

• 1/8- 0.125%

What fraction of a joist can you drill through?

• 35%

• 25%

• 15%

• 10%

What grade copper is suitable for hand bending?

• R220

• R250

• Table X

• All the answers

What is the clip distance for 15mm copper vertical?.

• 18m

• 1800cm

• 18mm

• 1800mm

Which is the odd one out when talking about low carbon steel?

• LCS Brown

• LCS yellow

• LCS Blue

• LCS Red

What rawl plug is compatible with 6-8 gauge screws

• Red

• Brown

• Blue

• Yellow

Hydraulic oil levels must be regularly checked on a

• Hydraulic steel pipe bender

• Threading machine

• Pillar drill

• Electric hacksaw