City Guilds Model Questions Vol1 2025 Engineering Question 2
Practice objective / multiple choice question 2 from the 2025 City Guilds Model Questions Vol1 Engineering examination.
A steel rod of length \(2.00\ \text{m}\) and circular cross‑section area \(25\ \text{mm}^2\) has Young's modulus \(E = 200\ \text{GPa}\) and coefficient of linear expansion \(\alpha = 12\times10^{-6}\ \text{°C}^{-1}\). The rod is subjected to a tensile force of \(12\ \text{kN}\) and is uniformly heated by \(40\ \text{°C}\). Find the total change in length of the rod.
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About This Question
This is City Guilds Model Questions Vol1 2025 Engineering Question 2. It is one of the objective questions from the 2025 City Guilds Model Questions Vol1 Engineering examination.
Difficulty level: Easy .
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