Engineering Materials Nodular cast iron is produced by adding ________ to the molten cast iron. Copper Nickel Magnesium Chromium Copper Nickel Magnesium Chromium ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Phosphor bronze contains 2.5% phosphorous 0.5% of phosphorous 1% phosphorous None of these 2.5% phosphorous 0.5% of phosphorous 1% phosphorous None of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Tungsten 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 silicon steel is widely used for Generators and transformers in the form of laminated cores Cutting tools Connecting rods Motor car crankshafts Generators and transformers in the form of laminated cores Cutting tools Connecting rods Motor car crankshafts 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 Silicon Phosphorus Manganese Sulphur Silicon Phosphorus Manganese ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Shock resistance of steel is increased by adding Sulphur, lead and phosphorus Nickel and chromium Chromium Nickel Sulphur, lead and phosphorus Nickel and chromium Chromium Nickel ANSWER DOWNLOAD EXAMIANS APP
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