Machine Design
A bolt is designed on the basis of __________ with a large factor of safety.

Direct bending stress
Direct shear stress
Direct tensile stress
Direct compressive stress

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Machine Design
A bolt

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

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Machine Design
A fast and loose pulley drive is used when

Driven shaft is to be started or stopped whenever desired without interfering with the driving shaft
Shafts are arranged at right angles and rotate in one definite direction
Shafts are arranged parallel and rotate in the opposite directions
Shafts are arranged parallel and rotate in the same directions

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