CTY1S8B - NCC Condensation and Ventilation

Under The F8D4: exhaust systems, how long must the (non-continuous) timer run AFTER the light switch is turned off in a bathroom / sanitary compartment in lieu of natural ventilation?

• 5 minutes

• 10 minutes

• 20 minutes

Under NCC 2022, Victorian climate zones will affect when the ventilation of roof spaces and pliable building membranes are required.

• True

• False

There are no changes to the performance requirements for condensation management under Volume Two for NCC 2022.

• True

• False

Can you stop condensation from happening in homes?

• Yes

• No

What causes condensation in homes?

• Cooking

• Showering

• Breathing

• Drying clothes indoors

• All of the above

Can mould grow when the relative humidity (RH) is less than 70% but more than 60%?

• Yes

• No

What is the maximum Mould Index allowed by NCC 2022 verification method?

• < 1

• < 3

• =< 3

• None of the above

According to the information, which of the following is NOT a cause of condensation in homes?

• Cooking

• Watching TV

• Showering

• Breathing

If the timer for an exhaust system in a bathroom is set for 5 minutes after the light is turned off, is this compliant with F8D4 requirements?

• Yes

• No

• Only if there is natural ventilation

• Only in kitchens

Increasing the vapour permeability of external membrane may lower mould risk of an external wall system?

• True

• False