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Q: Which of the following categories of strengths represent the maximum stress that can be applied over a given number of cycles without causing failure?
  • A. Ultimate strength
  • B. Tensile strength
  • C. Fatigue strength
  • D. Compressive strength
Correct Answer: Option C - Fatigue strength– Fatigue strength sometimes also termed endurance strength is the completely reversed stress under which a material fails after a specified number of cycles. Therefore, when a value for the fatigue strength of a material is stated, it must be accompanied by the number of stress cycles.
C. Fatigue strength– Fatigue strength sometimes also termed endurance strength is the completely reversed stress under which a material fails after a specified number of cycles. Therefore, when a value for the fatigue strength of a material is stated, it must be accompanied by the number of stress cycles.

Explanations:

Fatigue strength– Fatigue strength sometimes also termed endurance strength is the completely reversed stress under which a material fails after a specified number of cycles. Therefore, when a value for the fatigue strength of a material is stated, it must be accompanied by the number of stress cycles.