Machine Design
In designing a connecting rod, it is considered like __________ for buckling about Y-axis.

Both ends fixed
Both ends hinged
One end fixed and the other end hinged
One end fixed and the other end free

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Machine Design
The ends of the leaves of a semi-elliptical leaf spring are made triangular in order to

Make M/I constant throughout the length of the leaf
Have variable bending moment (M) in each leaf
Obtain variable moment of inertia (I) in each leaf
Permit each leaf to act as an overhanging beam

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