Machine Design
A connecting rod subjected to an axial load may buckle with

Y-axis as neutral axis
Z-axis
X-axis as neutral axis
X-axis or Y-axis as neutral axis

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Machine Design
An open belt drive is used when

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

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Machine Design
A bolt of uniform strength can be developed by

None of these
Keeping the core diameter smaller than the diameter of the unthreaded portion
Keeping the core diameter of threads equal to the diameter of unthreaded portion of the bolt
Keeping the nominal diameter of threads equal to the diameter of unthreaded portion of the bolt

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