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Machine Design

Which of the following type of failures does modified goodman line combines?
a) Fatigue and yield
b) Bending and fatigue
c) Yield and bending
d) Fatigue, bending and yield

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Answer #1

Answer: a
Explanation: Modified goodman line is a modified version of goodman line. The failure point ‘Sut’ on mean stress axis is shifted to ‘Syt’ for the safety of the component with the help of Lagrange’s line which joins ‘Syt’ on both y and x axes.

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