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Test your understanding with targeted questions related to the topic.
Question 1
Easy
What does thermal expansion refer to?
π‘ Hint: Think about how materials react to heat.
Question 2
Easy
Give an example of a structure that uses expansion joints.
π‘ Hint: What structures experience temperature changes regularly?
Practice 4 more questions and get performance evaluation
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
Question 1
What is thermal expansion?
π‘ Hint: Remember the common materials that expand when heated.
Question 2
Expansion joints are used in which structures?
π‘ Hint: Think about structures that experience temperature fluctuation.
Solve 2 more questions and get performance evaluation
Push your limits with challenges.
Question 1
A 50 m long railway steel beam is exposed to a temperature rise of 20Β°C. Calculate the new length if its coefficient of linear expansion is 11 Γ 10β»βΆ Β°Cβ»ΒΉ.
π‘ Hint: Remember to apply the linear expansion formula correctly.
Question 2
Discuss the consequences of thermal expansion on bridges and how engineers mitigate these effects.
π‘ Hint: Think about the engineering strategies related to temperature changes.
Challenge and get performance evaluation