Machine Design
The building up of worn and undersized parts, subjected to repeated loads by electroplating is

Cheapest method
Has no effect as regards fatigue strength
Best method
Extremely hazardous

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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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