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MMLU-Pro / 12101 / The fatigue loading applied on a compression spring consists of a minimum load…

Problem

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question

The fatigue loading applied on a compression spring consists of a minimum load of 145 lbs. to a maximum load of 295 lbs. Design the spring wire diameter for a factor of safety, based on fatigue failure to be 1.4 and the spring is assumed to have a mean coil diameter of 0.95 in. Consider the spring to be made of hard-drawn wire.

category

engineering

options

  1. 0.35 in.
  2. 0.20 in.
  3. 0.28 in.
  4. 0.30 in.
  5. 0.18 in.
  6. 0.22 in.
  7. 0.25 in.
  8. 0.40 in.
  9. 0.32 in.
  10. 0.15 in.

src

stemez-MachineDesign

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