Design Questions Set 40:
What is the value of the Stress ratio for completely reversed fatigue loading?
Solution:
Find the number of piston rings if the bore diameter is 150 mm.
Solution:
At what angle (in degrees) does the maximum value of von Mises stress occur?
Solution:
Which type of rivet head consists of a frustum of a cone attached to the shank?
Solution:
Which of the following is an example of antifriction bearings?
Solution:
Which type of bearing is most suitable for carrying very heavy loads at a slow speed?
Solution:
In which of the following gear manufacturing processes are the tooth ends made thinner?
Solution:
Which of the following can cause stress concentration?
Solution:
Which of the following statements about the effective diameter of rivets is correct?
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Stress variation is affected by sharp edges and defects in the components. Whenever a hole is present in components, the stress value near the hole is more than the normal value of stress. The stress concentration factor is used to analyze the stress, whose value depends on the hole's geometry. Consider an elliptical hole with the following dimensions:
a = Major axis length = 6 mm
b = Minor axis length = 4 mm
If the value of mean stress is 150 MPa, what will be the maximum stress present at the edges of the elliptical hole?
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