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

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

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Machine Design
A fast and loose pulley drive is used when

Shafts are arranged parallel and rotate in the same directions
Shafts are arranged at right angles and rotate in one definite direction
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

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