Engineering Materials Which of the following impurity in cast iron promotes graphite nodule formation and increases the fluidity of the molten metal? Silicon Phosphorus Sulphur Manganese Silicon Phosphorus Sulphur Manganese ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following elements does not impart hardness to steel? Copper Chromium Silicon Nickel Copper Chromium Silicon Nickel ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials An example of amorphous material is Glass Silver Zinc Lead Glass Silver Zinc Lead ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Maximum percentage of carbon in ferrite is 0.001 0.0006 0.00025 0.0025 0.001 0.0006 0.00025 0.0025 ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Chromium in steel Refines grain size and produces less tendency to carburisation, improves corrosion and heat resistant properties Gives ductility, toughness, tensile strength and anti-corrosion properties Improves cutting ability and reduces hardenability Improves wear resistance, cutting ability and toughness Refines grain size and produces less tendency to carburisation, improves corrosion and heat resistant properties Gives ductility, toughness, tensile strength and anti-corrosion properties Improves cutting ability and reduces hardenability Improves wear resistance, cutting ability and toughness ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The ability of a material to absorb energy in the plastic range is called Fatigue strength Resilience Toughness Creep Fatigue strength Resilience Toughness Creep ANSWER DOWNLOAD EXAMIANS APP
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