11Pure iron changes from BCC to FCC structure at about:A723 °CB1538 °CC912 °CD100 °CView AnswerDiscussWorkspaceReportSaveMedium
12Malleability is the property that allows a material to be:ABroken easilyBMagnetisedCHammered or rolled into sheetsDDrawn into wiresView AnswerDiscussWorkspaceReportSaveEasy
13Normalising involves:AHeating in vacuumBHeating and cooling in still airCQuenching in waterDCooling in the furnaceView AnswerDiscussWorkspaceReportSaveEasy
14Bronze is an alloy of:ACopper and zincBCopper and tinCIron and carbonDAluminium and magnesiumView AnswerDiscussWorkspaceReportSaveEasy
15Ceramics are generally:AHard, brittle and heat-resistantBGood electrical conductorsCEasily weldedDSoft and ductileView AnswerDiscussWorkspaceReportSaveEasy