Engineering Materials Hardness of lower bainite (tempered martensite) is about RC 80 RC 57 RC 65 RC 48 RC 80 RC 57 RC 65 RC 48 ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which is false statement about tempering? Tempering is done to Improve machinability Improve ductility Release stresses Improve toughness Improve machinability Improve ductility Release stresses Improve toughness ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The percentage of carbon in grey iron castings usually varies between 5 to 7% 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% ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Pipes for bicycle frames are made of Cast steel Hot rolled steel Cold rolled steel Forged steel Cast steel Hot rolled steel Cold rolled steel Forged steel ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Tungsten in high speed steel provides Sharp cutting edge Toughness Wear resistance Hot hardness Sharp cutting edge Toughness Wear resistance Hot hardness ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Tungsten in steel Refines grain size and produces less tendency to carburisation, improves corrosion and heat resistant properties Improves cutting ability and reduces hardenability Improves wear resistance, cutting ability and toughness 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 cutting ability and reduces hardenability Improves wear resistance, cutting ability and toughness Gives ductility, toughness, tensile strength and anti-corrosion properties ANSWER DOWNLOAD EXAMIANS APP
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