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 naturally occurring element decays to produce radium, which then releases radon gas?
What naturally occurring element decays to produce radium, which then releases radon gas?
Uranium
Why is radon particularly dangerous in enclosed spaces?
Why is radon particularly dangerous in enclosed spaces?
It's colourless, odourless & tasteless
What serious health condition is strongly linked to radon exposure in buildings?
What serious health condition is strongly linked to radon exposure in buildings?
Increased lung cancer risk
Through which pathway does radon commonly enter buildings?
Through which pathway does radon commonly enter buildings?
Cracks in walls & floors
What thickness of polythene sheet is used in passive radon protection systems?
What thickness of polythene sheet is used in passive radon protection systems?
gauge
Where is the sump positioned in an active radon protection system?
Where is the sump positioned in an active radon protection system?
Deep in hardcore foundations
What is Ireland's National Reference Level for radon concentration?
What is Ireland's National Reference Level for radon concentration?
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 advantage does an active system have over a passive system?
What advantage does an active system have over a passive system?
Dual protection with barriers & extraction
What sealing system is used where service pipes pass through radon barriers?
What sealing system is used where service pipes pass through radon barriers?
'Top hat' seal system