Which of these should be included in a visual inspection? Select all that apply

• Check pipework, components and appliances

• Ensure adequate access and test points

• Confirm energy supplies are isolated

• Pump up manometer

What letter represents frequency factor in stack sizing?

• Qww

• F

• K

• DU

What represents waste water flow rate in stack sizing?

• G

• K

• DU

• Qww

In relation to stack sizing, what does DU stand for?

• Don't Use

• Discharge Units

• Drain Units

• Drain Underground

In domestic situations, what is the most common stack size?

• 80mm

• 150mm

• 125mm

• 100mm

Which standard outlines the minimum space requirements for each sanitary appliance?

• Building regs doc M

• BS EN 806

• BS 6465

• BS 8000

According to BS EN 12056, what should be fitted when a pipe goes through a ceiling or floor to another property?

• Non return valve

• AAV

• Water trap

• Intumescent collar

When carrying out a soundness test, what level should the water in the gauge be at?

• 38mm

• 40mm

• 32mm

• 3mm

When doing a soundness test, how long do you need to test for?

• 15 mins

• 1 hour

• 3 mins

• 2 mins

What testing instrument is used for a soundness test?

• Medium

• Manometer

• Multimeter

• Analyser