Engineering Materials Hardness of lower bainite (tempered martensite) is about RC 57 RC 80 RC 65 RC 48 RC 57 RC 80 RC 65 RC 48 ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials When a steel containing __________ 0.8% carbon is cooled slowly below the lower critical point, it consists of ferrite and pearlite. More than None of these Equal to Less than More than None of these Equal to Less than ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Corrosion resistance of steel is increased by addition of Tungsten, molybdenum, vanadium, chromium Chromium and nickel Sulphur, phosphorus, lead Vanadium, aluminium Tungsten, molybdenum, vanadium, chromium Chromium and nickel Sulphur, phosphorus, lead Vanadium, aluminium ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Nickel in steel Gives ductility, toughness, tensile strength and anti-corrosion properties Improves cutting ability and reduces hardenability Refines grain size and produces less tendency to carburisation, improves corrosion and heat resistant properties Improves wear resistance, cutting ability and toughness Gives ductility, toughness, tensile strength and anti-corrosion properties Improves cutting ability and reduces hardenability 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 Carbon steel is Extensively used for making cutting tools Refined from cast iron An alloy of iron and carbon with varying quantities of phosphorus and sulphur Made by adding carbon in steel Extensively used for making cutting tools Refined from cast iron An alloy of iron and carbon with varying quantities of phosphorus and sulphur Made by adding carbon in steel ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Closed packed hexagonal space lattice is found in Alpha-iron, tungsten, chromium and molybdenum Zinc, magnesium, cobalt, cadmium, antimony and bismuth Gamma-iron, aluminium, copper, lead, silver and nickel None of these Alpha-iron, tungsten, chromium and molybdenum Zinc, magnesium, cobalt, cadmium, antimony and bismuth Gamma-iron, aluminium, copper, lead, silver and nickel None of these ANSWER DOWNLOAD EXAMIANS APP
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