Engineering Materials Which of the following metal is used in making electrical resistance wire for electric furnaces and heating elements? Monel metal Phosphor bronze Babbitt metal Nichrome Monel metal Phosphor bronze Babbitt metal Nichrome ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Chromium in steel Improves cutting ability and reduces hardenability Gives ductility, toughness, tensile strength and anti-corrosion properties Refines grain size and produces less tendency to carburisation, improves corrosion and heat resistant properties Improves wear resistance, cutting ability and toughness Improves cutting ability and reduces hardenability Gives ductility, toughness, tensile strength and anti-corrosion properties Refines grain size and produces less tendency to carburisation, improves corrosion and heat resistant properties Improves wear resistance, cutting ability and toughness ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The defect which takes place due to imperfect packing of atoms during crystallization is known as None of these Point defect Line defect Surface defect None of these Point defect Line defect Surface defect ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials In malleable iron, carbon is present in the form of Flakes Nodular aggregates of graphite Free carbon Cementite Flakes Nodular aggregates of graphite Free carbon Cementite ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following is not the correct method of increasing fatigue limit? Cold working Nitriding of surface Shot peening Surface decarburisation Cold working Nitriding of surface Shot peening Surface decarburisation ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Balls for ball bearings are made of Cast iron Carbon-chrome steel Mild steel Stainless steel Cast iron Carbon-chrome steel Mild steel Stainless steel ANSWER DOWNLOAD EXAMIANS APP
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