Engineering Materials A small percentage of boron is added to steel in order to Increase endurance strength Reduce machinability Increase hardenability Increase wear resistance Increase endurance strength Reduce machinability Increase hardenability Increase wear resistance ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Tensile strength of steel can be safely increased by Adding carbon up to 2.8% Adding carbon up to 6.3% Adding carbon up to 0.83% Adding small quantities of copper Adding carbon up to 2.8% Adding carbon up to 6.3% Adding carbon up to 0.83% Adding small quantities of copper ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The alloy used for making electrical resistances and heating elements is Invar Magnin Elinvar Nichrome Invar Magnin Elinvar Nichrome ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials White cast iron contains carbon in the form of Graphite White carbon Free carbon Cementite Graphite White carbon Free carbon Cementite ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Admiralty gun metal contains 88% copper, 10% tin and rest zinc 63 to 67% nickel and 30% copper Iron scrap and zinc Alloy of tin, lead and cadmium 88% copper, 10% tin and rest zinc 63 to 67% nickel and 30% copper Iron scrap and zinc Alloy of tin, lead and cadmium ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The bond formed by transferring electrons from one atom to another is called Ionic bond Metallic bond Covalent bond None of these Ionic bond Metallic bond Covalent bond None of these ANSWER DOWNLOAD EXAMIANS APP
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