U-Values (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 is heat gain in the context of construction?
What is heat gain in the context of construction?
Temp increase in building from sources
Which three sources are the main contributors to heat gain in buildings?
Which three sources are the main contributors to heat gain in buildings?
Solar radiation, body heat, appliances
How should buildings in Ireland's cool climate manage heat gain?
How should buildings in Ireland's cool climate manage heat gain?
Maximise heat gain wherever possible
Which building orientation receives the most consistent solar energy?
Which building orientation receives the most consistent solar energy?
South-facing
What is the most significant source of natural heat gain in buildings?
What is the most significant source of natural heat gain in buildings?
Solar heat gain from sun radiation
What percentage of hot water heating can solar panels provide?
What percentage of hot water heating can solar panels provide?
Within how many degrees of south should solar panels be positioned for optimal efficiency?
Within how many degrees of south should solar panels be positioned for optimal efficiency?
What is the max % of floor area that external openings should occupy?
What is the max % of floor area that external openings should occupy?
What do lower U-values indicate about building elements?
What do lower U-values indicate about building elements?
Better insulation & reduced heat loss
What is the main difference between photovoltaic panels and solar thermal systems?
What is the main difference between photovoltaic panels and solar thermal systems?
PV makes electricity; thermal heats water