Drainage level 3

What type of soil system is this?

• Stub Stack

• Secondary Ventilated Stack

• Branch Ventilating Discharge Stack

• Primary Ventilated Stack

What type of stack system is this?

• Primary Ventilated Stack

• Secondary Ventilated Stack

• Stub Stack

• Branch Ventilated Stack

What stack system is this?

• Branch Ventilated Stack

• Primary Ventilated Stack

• Stub stack

• Secondary Ventilated Stack

Max length of 32mm discharge pipe?

• 6m

• 4.3m

• 1.7m

• 3.2m

Max length of 100mm discharge pipe?

• 4m

• 6m

• 7m

• 2m

Max length of 40mm discharge pipe?

• 6m

• 5m

• 4m

• 3m

Max length of 50mm discharge pipe?

• 4m

• 5m

• 2m

• 3m

What is this?

• Blanking cap

• AAV

• VVA

• VAV

What fall must a gravity inlet pipe to a macerator have?

• 1:40

• 1:400

• 1:50

• 1:33

If a knuckle bend is used at the base of the stack, what could this cause?

• Self Syphonage

• Syphonage

• Compression

• Wavering Out