Machine Design
Which of the following coupling is used to connect two shafts which have both lateral and angular misalignment?

Bushed pin type coupling
All of these
Universal coupling
Oldham coupling

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

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

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