The margin of safety in a design is BEST described by which of the following statements?

Question

Options

• AThe ratio of the variance of the stress to the strength.
• BThe ratio of the mean load to the mean strength.
• CThe ratio of the difference between the mean strength and the mean load.
• DThe mean load variance divided by the mean strength variance times 100.

• A
  10% (3)
• B
  6% (2)
• C
  81% (25)
• D
  3% (1)

Explanation

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