1.

The minor s rule states that ____________ where n1, n2 is the number of cycle at the given stress level and N1, N2 are total number of cycle to failure at the given stress level.

A. n<sub>1</sub>/N<sub>1</sub>+n<sub>2</sub>/N<sub>2</sub>+n<sub>3</sub>/N<sub>3</sub>+ ..+n<sub>k</sub>/N<sub>k</sub>=1
B. N<sub>1</sub>+N<sub>2</sub>+N<sub>3</sub>+ ..+N<sub>k</sub>=1
C. n<sub>1</sub>+n<sub>2</sub>+n<sub>3</sub>+ ..+n<sub>k</sub>=1
D. n<sub>1</sub>/N<sub>1</sub>+n<sub>2</sub>/N<sub>2</sub>+n<sub>3</sub>/N<sub>3</sub>+ ..+n<sub>k</sub>/N<sub>k</sub>=0
Answer» B. N<sub>1</sub>+N<sub>2</sub>+N<sub>3</sub>+ ..+N<sub>k</sub>=1


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