Engineering Materials High carbon steel carries carbon percentage 0.3 to 0.6% 0.8 to 1.5% 0.6 to 0.8% 0.1 to 0.3% 0.3 to 0.6% 0.8 to 1.5% 0.6 to 0.8% 0.1 to 0.3% ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials When elements like nickel, chromium, copper and molybdenum are added to the molten cast iron, it produces Malleable cast iron Alloy cast iron Nodular cast iron White cast iron Malleable cast iron Alloy cast iron Nodular cast iron White cast iron ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The crystal structure of brass is H.C.P. C.C. Orthorhombic crystalline structure F.C.C. H.C.P. C.C. Orthorhombic crystalline structure F.C.C. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials A reversible change in the atomic structure of the steel with a corresponding change in the properties is known as Precipitation Allotropic change Heat treatment Recrystallization Precipitation Allotropic change Heat treatment Recrystallization ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials In high speed steels, manganese is used to tougher the metal and to increase its Yield point Critical temperature Hardness Melting point Yield point Critical temperature Hardness Melting point ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Cobalt in steel Improves cutting ability and reduce hardenability Improves wear resistance, cutting ability and toughness Refines grain size and produces less tendency to carburisation, improve corrosion and heat resistant proper ties Gives ductility, toughness, tensile strength and anti corrosion property Improves cutting ability and reduce hardenability Improves wear resistance, cutting ability and toughness Refines grain size and produces less tendency to carburisation, improve corrosion and heat resistant proper ties Gives ductility, toughness, tensile strength and anti corrosion property ANSWER DOWNLOAD EXAMIANS APP
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