Engineering Materials Nickel in steel 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 Improves cutting ability and reduces hardenability ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Eutectoid steel contains following percentage of carbon 0.008 0.0002 0.0063 0.003 0.008 0.0002 0.0063 0.003 ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Recrystallization temperature can be lowered by All of these Grain refinement Purification of metal Working at lower temperature All of these Grain refinement Purification of metal Working at lower temperature ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Steel contains Alloying elements like chromium, tungsten nickel and copper 50% or more iron Elements like phosphorus, sulphur and silicon in varying quantities 80% or more iron Alloying elements like chromium, tungsten nickel and copper 50% or more iron Elements like phosphorus, sulphur and silicon in varying quantities 80% or more iron ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which is false statement about normalizing? Normalizing is done to Induce stresses Reduce segregation in casting Refine grain structure Improve mechanical properties Induce stresses Reduce segregation in casting Refine grain structure Improve mechanical properties ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Ferromagnetic alpha iron exists in temperature range of 910 to 1440°C Below 723°C 770 to 910°C 1400 to 1539°C 910 to 1440°C Below 723°C 770 to 910°C 1400 to 1539°C ANSWER DOWNLOAD EXAMIANS APP