1.

Give the reason offolng1 Tensitle strength of metals

Answer»

The termtensile strengthrefers to the amount oftensile(stretching)stressamaterialcan withstand before breaking or failing. ...Yield strengthrefers to the amount ofstressamaterialcan withstand without permanent deformation.

Metalis shiniest when it is first cut. Exposure to elements such as oxygen and carbon causemetalsto lose thelusteron the surface because the elements cause a tarnish that reduces the freedom of the electrons to vibrate. The tarnish is removable through polishing or using a chemical treatment



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