Functions of Windows (Leaving Cert Construction Studies): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
What minimum window-to-floor area ratio ensures adequate natural light and ventilation?
What minimum window-to-floor area ratio ensures adequate natural light and ventilation?
10%
What is the minimum opening area required for purge ventilation in habitable rooms?
What is the minimum opening area required for purge ventilation in habitable rooms?
5% of floor area
What is the minimum floor area for a room to be classified as habitable?
What is the minimum floor area for a room to be classified as habitable?
What must never be done to background ventilation vents?
What must never be done to background ventilation vents?
Blocked or filled in
Approximately what percentage of total building heat loss occurs through windows?
Approximately what percentage of total building heat loss occurs through windows?
20%
What U-value can high-performance triple glazing achieve?
What U-value can high-performance triple glazing achieve?
As low as 0.8
What does low emissivity (Low E) glazing do?
What does low emissivity (Low E) glazing do?
Allows solar energy in, prevents heat out
What are the minimum dimensions for an emergency escape window?
What are the minimum dimensions for an emergency escape window?
450mm width and 450mm height
What is the minimum window area required for emergency escape?
What is the minimum window area required for emergency escape?
How long can timber window frames made from hardwoods like teak last?
How long can timber window frames made from hardwoods like teak last?
Over 100 years