Machine Design
Which one of the following loading is considered for the design of axles?

Combined bending moment and twisting moments
Bending moment only
Combined action of bending moment, twisting moment and axial thrust
Twisting moment only

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

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

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