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Wood: Construction Materials and Testing

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Wood: Construction Materials and Testing

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Questions and Answers

What is the primary characteristic that makes bituminous materials suitable for construction applications?

Their high compressive strength

Their low density and buoyancy

Their high viscosity and adhesive properties (correct)

Their high thermal conductivity

Which of the following statements about bitumen is correct?

Bitumen is a naturally occurring substance composed of a mixture of hydrocarbons (correct)

Bitumen is a synthetic material created by combining various chemicals

Bitumen is a lightweight, porous material used for insulation purposes

Bitumen is a low-viscosity liquid derived from coal

What is the primary difference between bitumen and tar?

Bitumen is a natural substance, while tar is a synthetic material

Bitumen is used for waterproofing, while tar is used for road construction

Bitumen is a solid material, while tar is a liquid material

Bitumen is derived from petroleum, while tar is derived from coal (correct)

Which of the following is NOT a common application of bituminous materials?

Structural concrete reinforcement Signup and view all the answers

What is the process by which bitumen is obtained from crude oil?

Fractional distillation Signup and view all the answers

Which of the following statements about tar is correct?

Tar is a byproduct of the coking or gasification process Signup and view all the answers

What is the primary reason for heating bituminous materials during construction applications?

To decrease their viscosity and improve their flow properties Signup and view all the answers

Which of the following is a common application of tar in construction?

Waterproofing roofs and boats Signup and view all the answers

What is the primary component of bituminous materials?

Hydrocarbons Signup and view all the answers

Which of the following statements about the properties of bituminous materials is NOT correct?

They are highly flammable and combustible Signup and view all the answers