Engineering Materials Delta iron occurs at temperature of Room temperature Between 910°C and 1400°C Between 1400°C and 1539°C Above melting point Room temperature Between 910°C and 1400°C Between 1400°C and 1539°C Above melting point ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials In mottled cast iron, carbon is available in Combined form Partly in free and partly in combined state Nodular form Free form Combined form Partly in free and partly in combined state Nodular form Free form ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The defect which takes place due to imperfect packing of atoms during crystallization is known as Point defect Surface defect Line defect None of these Point defect Surface defect Line defect None of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Cobalt in steel Improves wear resistance, cutting ability and toughness Improves cutting ability and reduce hardenability 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 wear resistance, cutting ability and toughness Improves cutting ability and reduce hardenability 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
Engineering Materials Which of the following is used for bearing liner? Gun metal Bronze Bell metal Babbitt metal Gun metal Bronze Bell metal Babbitt metal ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Nodular cast iron is produced by adding ________ to the molten cast iron. Chromium Copper Magnesium Nickel Chromium Copper Magnesium Nickel ANSWER DOWNLOAD EXAMIANS APP
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