Machine Design
A stud

Has both the ends threaded
Has head at one end and other end fits into a tapped hole in the other part to be joined
Has a head on one end and a nut fitted to the other
Has pointed threads

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Machine Design
For unequal width of butt straps, the thicknesses of butt straps are

0.625 t for both the straps on the inside and outside
0.75 t for wide strap on the inside and 0.625 t for narrow strap on the outside
0.75 t for both the straps on the inside and outside
0.75 t for narrow strap on the inside and 0.625 t for wide strap on the outside

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Machine Design
Which is correct statement? Stress concentration in cyclic loading is

Very serious in brittle materials and less serious in ductile materials
Equally serious in both types of materials
Very serious in ductile materials and less serious in brittle materials
Seriousness would depend on other factors

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Machine Design
When a belt drive is transmitting maximum power,

Driving tension on tight side is twice the centrifugal tension
Driving tension on slack side is equal to centrifugal tension
Effective tension is equal to centrifugal tension
Effective tension is half of centrifugal tension

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