Question: answer A eutectoid reaction involves: O a. Liquid transforming into two solid phases O b. A solid transforming into a liquid and another solid phase

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A eutectoid reaction involves: O a. Liquid transforming into two solid phases O b. A solid transforming into a liquid and another solid phase O c. Two liquids forming one solid phase O d. A solid transforming into two different solids What determines the tensile strength of a composite in powder metallurgy? O a. Compacting pressure O b. Powder particle size O c. Blending technique O d. Matrix material and bonding strength Permanent magnets are made of O a. soft magnetic materials. O b. hard magnetic materials. O c. super conductors. O d. semi conductors

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