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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What does ΔL represent in the linear expansion formula?
💡 Hint: Think about what you measure when a solid expands.
Question 2
Easy
What happens to a rod if the temperature decreases?
💡 Hint: Remember how materials behave when they cool down.
Practice 4 more questions and get performance evaluation
Interactive Quizzes
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
Question 1
What is the coefficient of linear expansion?
- A measure of pressure
- A measure of length change per temperature change
- A measure of area change
💡 Hint: It's measured in °C⁻¹.
Question 2
True or False: Materials expand when they are cooled.
- True
- False
💡 Hint: Think about how things feel when they get cold.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
A steel beam 10 m long at 0°C expands when heated to 50°C. If the coefficient of linear expansion for steel is 1.1 × 10⁻⁵ °C⁻¹, what is the final length of the beam?
💡 Hint: Remember to separate the parts of the formula correctly.
Question 2
How would you design a bridge considering thermal expansion? Explain your approach.
💡 Hint: Think about how materials behave in changing temperatures.
Challenge and get performance evaluation