Engineering Materials The ability of a material to resist softening at high temperature is known as Creep Fatigue Hot hardness Hot tempering Creep Fatigue Hot hardness Hot tempering ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The alloying element which reduces the formation of iron sulphide in steel is Nickel Manganese Vanadium Chromium Nickel Manganese Vanadium Chromium ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The property of a material essential for spring materials is Resilience Plasticity Ductility Stiffness Resilience Plasticity Ductility Stiffness 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 Phosphorus Silicon Manganese Sulphur Phosphorus Silicon Manganese ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The addition of which of the following improves machining of copper? Vanadium Zinc Sulphur Tin Vanadium Zinc Sulphur Tin ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Chromium 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
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