9189PH1SANPPT2

Which of the following is NOT one of the types of sanitation system in the UK mentioned in the learning material?

• Primary ventilated stack system

• Ventilated branch discharge system

• Single stack system

• Stub stack

What is the purpose of the rodding eye in a secondary ventilated stack system?

• To provide access for clearing blockages

• To regulate water pressure

• To measure water flow

• To heat water

What is the function of the main discharge stack in the system layout?

• To carry waste water to the sewer

• To supply fresh water to the fixtures

• To ventilate the system

• To support the structure of the building

What does the branch discharge pipe connect to in a secondary ventilated stack system?

• The water supply

• The appliances

• The heating system

• The electrical system

What is the minimum diameter required for a ventilating pipe in a secondary ventilated stack system if it is not longer than 15m?

• 15mm

• 25mm

• 32mm

• 50mm

When installing branch ventilating pipes, where must the ventilating pipe rise in relation to the appliance?

• Below the spillover level of the appliance

• At the spillover level of the appliance

• Above the spillover level of the appliance

• Alongside the discharge stack

If a ventilating pipe is longer than 15m, what must the diameter be increased to?

• 15mm

• 25mm

• 32mm

• 50mm

How far must the ventilating pipe rise away from the appliance before connecting to the discharge stack?

• At least 750mm above the spill-over level

• Exactly at the spill-over level

• Below the spill-over level

• At least 150mm above the spill-over level

What is the minimum diameter of the main ventilating stack or any dry part of the primary ventilating stack in a secondary ventilated stack system?

• 50mm

• 75mm

• 100mm

• 150mm

In a secondary ventilated stack system, what diameter is generally recommended for a main discharge stack in buildings with up to five storeys?

• 75mm

• 100mm

• 150mm

• 200mm