Engineering Materials Nodular cast iron is produced by adding ________ to the molten cast iron. Nickel Magnesium Chromium Copper Nickel Magnesium Chromium Copper ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Tungsten in steel Gives ductility, toughness, tensile strength and anti-corrosion properties Improves wear resistance, cutting ability and toughness Refines grain size and produces less tendency to carburisation, improves corrosion and heat resistant properties Improves cutting ability and reduces hardenability Gives ductility, toughness, tensile strength and anti-corrosion properties Improves wear resistance, cutting ability and toughness Refines grain size and produces less tendency to carburisation, improves corrosion and heat resistant properties Improves cutting ability and reduces hardenability ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The temperature at which ferromagnetic alpha iron transforms to paramagnetic alpha iron is 910°C 1050°C 770°C Below recrystallization temperature 910°C 1050°C 770°C Below recrystallization temperature ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Dow metal contains 94% aluminium, 4% copper and 0.5% Mn, Mg, Si and Fe 90% magnesium and 9% aluminium with some copper 92.5% aluminium and, 4% copper, 2% nickel and 1.5% Mg 90% aluminium and 90% copper 94% aluminium, 4% copper and 0.5% Mn, Mg, Si and Fe 90% magnesium and 9% aluminium with some copper 92.5% aluminium and, 4% copper, 2% nickel and 1.5% Mg 90% aluminium and 90% copper ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Stress relaxation is the phenomenon In which stress remains constant on increasing load In which deformation tends to loosen the joint and produces a stress reduced Stress reduces on increasing load In which parts are not loaded In which stress remains constant on increasing load In which deformation tends to loosen the joint and produces a stress reduced Stress reduces on increasing load In which parts are not loaded ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Dye penetrant method is generally used to locate Temporary defects Surface defects Superficial defects Core defects Temporary defects Surface defects Superficial defects Core defects ANSWER DOWNLOAD EXAMIANS APP
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