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Q: Which of the following material is not used in making trusses?
  • A. Wooden struts
  • B. Metal bars
  • C. Channel
  • D. Concrete
Correct Answer: Option D - • Concrete is not used for making a truss structure but wood, steel are widely used to make a trusses in modern era. • Steel trusses have the advantages of ease of handling and erection, there are also some huge drawback like high material and maintenance cost and low thermal resistance. • The high strength to weight ratios of timber trusses permit long spans, offer greater flexibility in floor plan layout. • Advantages of timber Roof Trusses are flexible and versatile, Eco-friendly, Economy Durability and strength, Energy efficient, Aesthetical freedom.
D. • Concrete is not used for making a truss structure but wood, steel are widely used to make a trusses in modern era. • Steel trusses have the advantages of ease of handling and erection, there are also some huge drawback like high material and maintenance cost and low thermal resistance. • The high strength to weight ratios of timber trusses permit long spans, offer greater flexibility in floor plan layout. • Advantages of timber Roof Trusses are flexible and versatile, Eco-friendly, Economy Durability and strength, Energy efficient, Aesthetical freedom.

Explanations:

• Concrete is not used for making a truss structure but wood, steel are widely used to make a trusses in modern era. • Steel trusses have the advantages of ease of handling and erection, there are also some huge drawback like high material and maintenance cost and low thermal resistance. • The high strength to weight ratios of timber trusses permit long spans, offer greater flexibility in floor plan layout. • Advantages of timber Roof Trusses are flexible and versatile, Eco-friendly, Economy Durability and strength, Energy efficient, Aesthetical freedom.