Machine Design
Brittle coating technique is used for

Determining brittleness
Experimental stress analysis
Protecting metal against corrosion
Protecting metal against wear and tear

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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
Driven shaft is to be started or stopped whenever desired without interfering with the driving shaft
Shafts are arranged parallel and rotate in the opposite directions

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