1) What is a Composite Material a) A material made from only one base constituent b) An organic material c) A material made from only two or more base constituents d) A material that can be recycled 2) Recrystallisation temperature is the temperature at which  a) the crystal lattice structure of the metal becomes reoriented b) the solid becomes a liquid c) the material evaporates d) the liquid becomes a solid 3) The process in which metal is passed between rollers at temperatures lower than its recrystallisation temperature is called a) Cold roiling b) Casting c) Hot rolling d) Forging 4) An alloy is formed when a) Different metals and metals and non-metallic substances, are mixed together. ​ b) A metal is heated c) A metal is melted d) A metallic object changes shape 5) Which of the following represents a centre-line? a) A b) B c) C d) D 6) After cooling liquid alloy the substance can be a) All of the above b) interstitial alloy c) intermetallic compound​ d) a substitutional alloy 7) Increasing the carbon content in steel makes it a) Harder b) More malleable c) Less brittle d) Softer 8) Curing is a chemical process which produces a) Toughening of the polymer b) Hardening of the polymer c) Crosslinking of the chains d) All of the above 9) This symbol on a drawing represents a) Ref b) Reference c) Referee d) Rear 10) This diagram illustrates a) Blow moulding b) Compression moulding c) Injection moulding d) Rotational moulding 11) This diagram illustrates  a) Injection moulding b) Compression moulding c) Blow moulding d) Rotational moulding 12) What is Ferrous metal a) Material that has good electrical resistance b) Metal that has non magnetic properties c) Metal that consists of Chromium d) Metal that has iron as a base metal

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