City Guilds Model Questions Vol1 2021 Engineering Question 21
Practice objective / multiple choice question 21 from the 2021 City Guilds Model Questions Vol1 Engineering examination.
A cantilever beam of rectangular cross‑section has a width of 50 mm and an unknown height \(h\) (in mm). The beam is 1.2 m long and is fixed at one end. A vertical load of 5 kN is applied at the free end, producing a bending moment \(M = P L\). The material is steel with a yield strength of 300 MPa and a factor of safety of 3. Determine the minimum integer value of \(h\) (in mm) such that the combined normal stress \(\sigma = \frac{P}{A} + \frac{M c}{I}\) does not exceed the allowable stress.
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About This Question
This is City Guilds Model Questions Vol1 2021 Engineering Question 21. It is one of the objective questions from the 2021 City Guilds Model Questions Vol1 Engineering examination.
Difficulty level: Medium .
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