Engineering Materials The alloying element which can replace tungsten in high speed steels is Vanadium Cobalt Nickel Molybdenum Vanadium Cobalt Nickel Molybdenum ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Ball bearings are, usually, made from High carbon steel Chrome steel Low carbon steel Medium carbon steel High carbon steel Chrome steel Low carbon steel Medium carbon steel ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Silicon when added to copper improves Hardness Hardness and strength Machinability Strength and ductility Hardness Hardness and strength Machinability Strength and ductility ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Recrystallization temperature can be lowered by Working at lower temperature All of these Purification of metal Grain refinement Working at lower temperature All of these Purification of metal Grain refinement ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Pearlite consists of 13% carbon and 87% ferrite 13% cementite and 87% ferrite 13% ferrite and 87% cementite 6.67% carbon and 93.33% iron 13% carbon and 87% ferrite 13% cementite and 87% ferrite 13% ferrite and 87% cementite 6.67% carbon and 93.33% iron ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Ferromagnetic alpha iron exists in temperature range of 910 to 1440°C 770 to 910°C Below 723°C 1400 to 1539°C 910 to 1440°C 770 to 910°C Below 723°C 1400 to 1539°C ANSWER DOWNLOAD EXAMIANS APP