Which of the following conditions is true for repeated stress? 1. σ m = 0 2. σ m = σ max / 2 3. σ m = σ a 4. σ min = 0 5. σ min = – σ max 6. σ a = σ max / 2 where σ m = mean stress and σ a = stress amplitude a. condition 2 and 3 b. condition 1, 3 and 5 c. condition 2, 4, and 6 d. condition 3,4, 5 and 6

Which of the following conditions is true for repeated stress?

1. σ m = 0

2. σ m = σ max / 2

3. σ m = σ a

4. σ min = 0

5. σ min = – σ max

6. σ a = σ max / 2

where σ m = mean stress and σ a = stress amplitude

a. condition 2 and 3

b. condition 1, 3 and 5

c. condition 2, 4, and 6

d. condition 3,4, 5 and 6
by

1 Answer

Answer :

c. condition 2, 4, and 6
by

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