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Questions and Answers
What is the purpose of a timber roof truss?
What is the purpose of a timber roof truss?
- To create decorative patterns on the ceiling
- To provide insulation for the roof
- To bridge the space above a room and provide support for a roof (correct)
- To support the walls of a building
What is the function of longitudinal timbers such as purlins in relation to trusses?
What is the function of longitudinal timbers such as purlins in relation to trusses?
- Acting as insulation for the trusses
- Creating decorative patterns on the roof
- Linking trusses at regular intervals (correct)
- Providing vertical support for the trusses
Why were pairs of opposing rafters initially tied together by a horizontal tie beam?
Why were pairs of opposing rafters initially tied together by a horizontal tie beam?
- To increase flexibility of the truss
- To support the weight of the walls
- To add decorative elements to the roof structure
- To form coupled rafters and prevent walls from toppling (correct)
What is the function of cross-bracing in a timber roof truss?
What is the function of cross-bracing in a timber roof truss?
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What are the top and bottom members of a truss called, respectively?
What are the top and bottom members of a truss called, respectively?
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