A bolt of major diameter $$12$$ $$mm$$ is required to clamp two steel plates. Cross sectional area of the threaded portion of the bolt is $$84.3$$ $$m{m^2}$$ . The length of the threaded portion in grip is $$30$$ $$mm,$$ while the length of the unthreaded portion in grip is $$8$$ $$mm.$$ Young's modulus of material is $$200$$ $$GPa.$$ The effective stiffness (in $$MN/m$$) of the bolt in the clamped zone is _______.

GATE 2014 Mechanical Engineering PYQ — Machine Design

GATE 2014Set 4PYQNATanswer pendingexplanation soonmedium

Machine Design · Joints

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Recurring concept

Joints has appeared in GATE Mechanical Engineering 7 times across 6 years (1996, 1998, 2006, 2014, 2022, ...).