Radon (Leaving Cert Construction Studies): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
ShowHide
Practise the questions
10 questions from this quiz
What is the natural decay sequence that produces radon gas?
What is the natural decay sequence that produces radon gas?
Uranium → radium → radon
Why is radon particularly dangerous in enclosed spaces?
Why is radon particularly dangerous in enclosed spaces?
It's tasteless, odourless & colourless
What serious health condition is strongly linked to radon exposure?
What serious health condition is strongly linked to radon exposure?
Increased lung cancer risk
Which is a common entry point for radon into buildings?
Which is a common entry point for radon into buildings?
Gaps around service pipes in floors
What thickness is the polythene sheet used in passive radon protection?
What thickness is the polythene sheet used in passive radon protection?
4μm gauge
How does the sump in an active radon system work?
How does the sump in an active radon system work?
Operates at lower pressure than surroundings
What is Ireland's National Reference Level for radon?
What is Ireland's National Reference Level for radon?
200Bq/m³
Which system is recommended when radon exceeds the National Reference Level?
Which system is recommended when radon exceeds the National Reference Level?
Active system
What sealant is most effective for sealing radon entry points in existing buildings?
What sealant is most effective for sealing radon entry points in existing buildings?
Construction-grade silicone sealant
What is the 'top hat' seal system used for?
What is the 'top hat' seal system used for?
Sealing around service pipes
