Engineering Materials The lower critical point for all steels is 600°C 700°C 913°C 723°C 600°C 700°C 913°C 723°C ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials When medium carbon steel is heated to coarsening temperature The grain size increases very rapidly There is no change in grain size The average grain size is a minimum The grain size first increases and then decreases very rapidly The grain size increases very rapidly There is no change in grain size The average grain size is a minimum The grain size first increases and then decreases very rapidly ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Cold rolled steel sheets contain carbon of the following order 0.006 0.001 0.002 0.004 0.006 0.001 0.002 0.004 ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Steel with __________ carbon is known as hypo-eutectoid steel. Above 0.8% None of these 0.008 Below 0.8% Above 0.8% None of these 0.008 Below 0.8% ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Corundum contains more than 95% SiO2 Steel Al2O3 MgO SiO2 Steel Al2O3 MgO ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Chromium 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
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