Engineering Board Exam Reviewer · Engineering Mechanics · easy

A material has an ultimate stress of 410 MPa and is designed with a factor of safety of 2.5. What is the allowable stress?

  1. 164
  2. 1025
  3. 407.5
  4. 117.14

Answer

A. 164

Solution

Allowable stress = Ultimate stress / Factor of safety = 410 / 2.5 = 164 MPa.

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