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Fatigue loading Starter Quiz 1

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Question 1

Stress developed due to external force in an elastic material ____.

Question 2

The stress represented by 'sin (t)+1" belongs to which category?

Question 3

The phenomenon of decreased resistance of the materials to fluctuating stresses is the main characteristic of _____ failure.

Question 4

Notch sensitivity (q) is given by the equation _______.
where Kf = fatigue stress concentration factor and Kt = theoretical stress concentration factor.

Question 5

Factor of safety is the ratio of:

Question 6

The theoretical stress concentration factor(Kt ) due to small circular hole in a flat plate which is subjected to a tensile force is

Question 7

A machine component subjected to fluctuating stress that varies from 30 to 50 MPa the amplitude ratio is __________.
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