Engineering Materials Chromium in steel Gives ductility, toughness, tensile strength and anti-corrosion properties Improves cutting ability and reduces hardenability Improves wear resistance, cutting ability and toughness Refines grain size and produces less tendency to carburisation, improves corrosion and heat resistant properties Gives ductility, toughness, tensile strength and anti-corrosion properties Improves cutting ability and reduces hardenability Improves wear resistance, cutting ability and toughness Refines grain size and produces less tendency to carburisation, improves corrosion and heat resistant properties ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Tensile strength of steel can be safely increased by Adding carbon up to 2.8% Adding small quantities of copper Adding carbon up to 0.83% Adding carbon up to 6.3% Adding carbon up to 2.8% Adding small quantities of copper Adding carbon up to 0.83% Adding carbon up to 6.3% ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Crystal structure of a material is, generally, examined by Naked eye X-ray techniques Metallurgical microscope Optical microscope Naked eye X-ray techniques Metallurgical microscope Optical microscope ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Malleability of a material can be defined as Ability to recover its original form Ability to undergo large permanent deformations in tension Ability to undergo large permanent deformations in compression All of these Ability to recover its original form Ability to undergo large permanent deformations in tension Ability to undergo large permanent deformations in compression All of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials In nodular iron, graphite is in the form of Cementite Free carbon Spheroids Flakes Cementite Free carbon Spheroids Flakes ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Admiralty gun metal contains 63 to 67% nickel and 30% copper 88% copper, 10% tin and rest zinc Alloy of tin, lead and cadmium Iron scrap and zinc 63 to 67% nickel and 30% copper 88% copper, 10% tin and rest zinc Alloy of tin, lead and cadmium Iron scrap and zinc ANSWER DOWNLOAD EXAMIANS APP
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