Engineering Materials Cast iron is a Ductile material Brittle material Tough material Malleable material Ductile material Brittle material Tough material Malleable material ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials When filing or machining cast iron makes our hands black, then it shows that ________ is present in cast iron. Cementite Both A and B None of these Free graphite Cementite Both A and B None of these Free graphite ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Steel containing ferrite and pearlite is Tough Hard and tough Soft Hard Tough Hard and tough Soft Hard ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Corundum contains more than 95% SiO2 Steel MgO Al2O3 SiO2 Steel MgO Al2O3 ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials For the allotropic forms of iron, the points of arrest are Constant for all metals The points where there is no further flow of metal The points where no further change occurs The points of discontinuity Constant for all metals The points where there is no further flow of metal The points where no further change occurs The points of discontinuity ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials A material is said to be allotropic, if it has Different crystal structures at different temperatures Fixed structure at all temperatures Any one of the above Atoms distributed in random pattern Different crystal structures at different temperatures Fixed structure at all temperatures Any one of the above Atoms distributed in random pattern ANSWER DOWNLOAD EXAMIANS APP
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