Engineering Materials In malleable iron, carbon is present in the form of Flakes Cementite Nodular aggregates of graphite Free carbon Flakes Cementite Nodular aggregates of graphite Free carbon ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials When a steel containing __________ 0.8% carbon is cooled slowly below the lower critical point, it consists of ferrite and pearlite. Equal to More than None of these Less than Equal to More than None of these Less than ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following metal is used in making electrical resistance wire for electric furnaces and heating elements? Monel metal Nichrome Phosphor bronze Babbitt metal Monel metal Nichrome Phosphor bronze Babbitt metal ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Blast furnace is used to produce Wrought iron Cast iron Steel Pig iron Wrought iron Cast iron Steel Pig iron ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Cobalt in steel Improves wear resistance, cutting ability and toughness Refines grain size and produces less tendency to carburisation, improve corrosion and heat resistant proper ties Improves cutting ability and reduce hardenability Gives ductility, toughness, tensile strength and anti corrosion property Improves wear resistance, cutting ability and toughness Refines grain size and produces less tendency to carburisation, improve corrosion and heat resistant proper ties Improves cutting ability and reduce hardenability Gives ductility, toughness, tensile strength and anti corrosion property ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following impurity in cast iron promotes graphite nodule formation and increases the fluidity of the molten metal? Sulphur Manganese Silicon Phosphorus Sulphur Manganese Silicon Phosphorus ANSWER DOWNLOAD EXAMIANS APP
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