City Guilds Model Questions Vol1 2018 Engineering Question 17
Practice objective / multiple choice question 17 from the 2018 City Guilds Model Questions Vol1 Engineering examination.
A rod is made by welding a steel section to an aluminium section. The steel part has length (1.2\ \text{m}\) and coefficient of linear expansion (12\times10^{-6}\ \text{°C}^{-1}\). The aluminium part has length (0.8\ \text{m}\) and coefficient (22\times10^{-6}\ \text{°C}^{-1}\). When the assembly is heated, its total length increases by (3.6\ \text{mm}\). Determine the temperature rise \(\Delta T\) in degrees Celsius.
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About This Question
This is City Guilds Model Questions Vol1 2018 Engineering Question 17. It is one of the objective questions from the 2018 City Guilds Model Questions Vol1 Engineering examination.
Difficulty level: Medium .
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