Engineering Materials Cobalt in steel Improves wear resistance, cutting ability and toughness Gives ductility, toughness, tensile strength and anti corrosion property Refines grain size and produces less tendency to carburisation, improve corrosion and heat resistant proper ties Improves cutting ability and reduce hardenability Improves wear resistance, cutting ability and toughness Gives ductility, toughness, tensile strength and anti corrosion property Refines grain size and produces less tendency to carburisation, improve corrosion and heat resistant proper ties Improves cutting ability and reduce hardenability ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Wrought iron Can be easily forged or welded Cannot stand sudden and excessive shocks All of these Is a ductile material Can be easily forged or welded Cannot stand sudden and excessive shocks All of these Is a ductile material ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The addition of which of the following improves machining of copper? Sulphur Vanadium Tin Zinc Sulphur Vanadium Tin Zinc ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Cast iron is a Tough material Malleable material Ductile material Brittle material Tough material Malleable material Ductile material Brittle material ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials According to Indian standard specifications, plain carbon steel designated by 40 C8 means that the carbon content is 0.4 to 0.6% 0.0004 0.6 to 0.8% 0.35 to 0.45% 0.4 to 0.6% 0.0004 0.6 to 0.8% 0.35 to 0.45% ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Chromium in steel Improves cutting ability and reduces hardenability 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 wear resistance, cutting ability and toughness Improves cutting ability and reduces hardenability 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 wear resistance, cutting ability and toughness ANSWER DOWNLOAD EXAMIANS APP
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