Questions and Answers in Mechanical Engineering Part One Prepared by Osama Mohammed Elmardi Suleiman Nile Valley University – Faculty of Engineering & Technology

There are mainly two types of materials. First one is metal and other one is
nonmetals. Metals are classified into two types: Ferrous metals and Non-ferrous
metals. Ferrous metals mainly consist iron with comparatively small addition of other
materials. It includes iron and its alloy such as cast iron, steel, HSS etc. Ferrous
metals are widely used in mechanical industries for its various advantages.
Nonferrous metals contain little or no iron. It includes aluminum, magnesium,
copper, zinc etc.questions and answers in mechanical engineering Part One.pdf (2.7% u)

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