Engineering Materials The percentage of carbon in grey iron castings usually varies between 0.012 0.5 to 1% 2.5 to 4.5% 5 to 7% 0.012 0.5 to 1% 2.5 to 4.5% 5 to 7% ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Nickel in steel 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 Improves cutting ability and reduces hardenability ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Constantan an alloy used in thermocouples is an alloy of Copper and iron Copper and nickel Copper and zinc Copper and tin Copper and iron Copper and nickel Copper and zinc Copper and tin ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Chromium 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 An eutectoid steel consists of Wholly austenite Pearlite and ferrite Wholly pearlite Pearlite and cementite Wholly austenite Pearlite and ferrite Wholly pearlite Pearlite and cementite ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Dislocations in materials refer to the following type of defect Point defect Plane defect Line defect Volumetric defect Point defect Plane defect Line defect Volumetric defect ANSWER DOWNLOAD EXAMIANS APP
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