Design Questions Set 16:
What is the maximum endurance limit of aluminum?
Solution:
The stress concentration factor for a plate with a circular hole at the center is
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The moment(s) that act on a shaft are:
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What is the typical efficiency of screws used for power transmission?
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Consider a riveted joint with the ratio of pitch of rivets to the rivet hole diameter to be 4. Find the tearing efficiency.
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Find the height of the nut for a design of a hoisting mechanism if the pitch is 10 mm and the number of threads is 2.
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Stribeck's equation to determine the basic static capacity of ball bearings is:
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In force analysis of spur gears, which component of force assists the rotation of the driven gear?
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Let the length of the leg be 'h' and the length of the weld be 'l'. Then the formula used to calculate the area of the throat can be given by:
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Which type of gear tooth failure is caused when the maximum Hertz contact stress on the gear tooth surface exceeds the surface endurance strength of the tooth?
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