JAMB Physics 2017 Objective — Question 15
Question 15 of 40 from the Joint Admissions and Matriculation Board (JAMB) Physics 2017 Objective paper, with the correct answer and a full explanation.
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The thermal expansion of a solid is an advantage in
- A. A. Balance wheel of a watch
- B. B. Construction of steel rail lines
- C. C. Construction of large steel bridges
- D. D. Fitting of tyres on wheelsCorrect
Explanation
Thermal expansion (contraction on cooling) is deliberately used to fit metal tyres tightly onto wheels.
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