City Guilds Model Questions Vol1 2025 Engineering Question 22
Practice objective / multiple choice question 22 from the 2025 City Guilds Model Questions Vol1 Engineering examination.
Material A has a tensile strength of \(250\) MPa and a density of \(2.7\) g cm\(^{-3}\). Material B has a tensile strength of \(150\) MPa and a density of \(7.8\) g cm\(^{-3}\). A component must have a tensile strength of at least \(200\) MPa and an overall density not exceeding \(4.0\) g cm\(^{-3}\). Using the rule of mixtures for both strength and density, determine the minimum volume fraction of Material A required. Give your answer as a decimal rounded to two decimal places.
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About This Question
This is City Guilds Model Questions Vol1 2025 Engineering Question 22. It is one of the objective questions from the 2025 City Guilds Model Questions Vol1 Engineering examination.
Difficulty level: Medium .
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