Ventilation (Leaving Cert Construction Studies): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
ShowHide
Practise the questions
10 questions from this quiz
What does ventilation replace stale air with?
What does ventilation replace stale air with?
Fresh air
Why do modern buildings need purpose-designed ventilation systems?
Why do modern buildings need purpose-designed ventilation systems?
They are much more airtight
What must all ventilation systems provide to control condensation?
What must all ventilation systems provide to control condensation?
Sufficient air change per hour (ACH)
What ACH rate range is sufficient to control condensation in most buildings?
What ACH rate range is sufficient to control condensation in most buildings?
to
If a room has an ACH of , how often is the air completely replaced?
If a room has an ACH of , how often is the air completely replaced?
Every 60 minutes
Where are mechanical extract fans typically installed?
Where are mechanical extract fans typically installed?
Wet or very humid areas
Which of these is a common pollutant found in homes?
Which of these is a common pollutant found in homes?
Carbon monoxide
What method does purge ventilation use to remove pollutants quickly?
What method does purge ventilation use to remove pollutants quickly?
Opening windows or doors
What problem does over-ventilation cause?
What problem does over-ventilation cause?
Increases heating costs
What does under-ventilation lead to?
What does under-ventilation lead to?
Mould growth