Which of the following conditions is true for repeated stress?1. = 02. = / 23. = 4. = 05. = 6. = / 2where = mean stress and = stress amplitude

Which of the following conditions is true for repeated stress?1. = 02

1.	Which of the following conditions is true for repeated stress?1. = 02. = / 23. = 4. = 05. = 6. = / 2where = mean stress and = 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
Answer» D. condition 3,4, 5 and 6

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Which of the following conditions is true for repeated stress?1. = 02. = / 23. = 4. = 05. = 6. = / 2where = mean stress and = stress amplitude

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