Timber Course Quizz Material

What is the primary use of timber in civil engineering?

• Bridges

• Retaining walls

• Piers

• All of the above

What is the main advantage of using timber for bridge construction?

• It is lightweight

• It is inexpensive

• It is easy to transport and install

• It is naturally resistant to decay

What is the typical lifespan of a timber bridge?

• 40 years

• 50 years

• 60 years

• 70 years

What is the main cause of deforestation?

• Climate change

• Urbanization

• Agricultural expansion

• Logging and wood harvesting

What percentage of global deforestation is caused by logging and wood harvesting?

• 20%

• 30%

• 40%

• 50%

What is the main factor affecting the strength of timber?

• Density

• Moisture content

• Grain direction

• All of the above

Which material has a higher compressive strength: Timber or Concrete?

• Timber

• Concrete

Which material has a higher thermal insulation: Timber or Concrete?

• Timber

• Concrete

Which country has the largest forest area in the world?

• Russia

• Canada

• Brazil

• China

Which country has the most extensive use of timber in construction?

• Russia

• Canada

• Brazil

• China