Engineering Materials The alloying element which can replace tungsten in high speed steels is Molybdenum Cobalt Vanadium Nickel Molybdenum Cobalt Vanadium Nickel ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Gamma iron exits at following temperature Between 910°C and 1400°C Between 1400°C and 1539°C Room temperature Near melting point Between 910°C and 1400°C Between 1400°C and 1539°C Room temperature Near melting point ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which is false statement about annealing? Annealing is done to Improve machining characteristic Soften material Harden steel slightly Relieve stresses Improve machining characteristic Soften material Harden steel slightly Relieve stresses ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Induction hardening is basically a Carburising process None of these Surface hardening process Core hardening process Carburising process None of these Surface hardening process Core hardening process ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Steel contains 50% or more iron 80% or more iron Alloying elements like chromium, tungsten nickel and copper Elements like phosphorus, sulphur and silicon in varying quantities 50% or more iron 80% or more iron Alloying elements like chromium, tungsten nickel and copper Elements like phosphorus, sulphur and silicon in varying quantities ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials A material is said to be allotropic, if it has Atoms distributed in random pattern Different crystal structures at different temperatures Fixed structure at all temperatures Any one of the above Atoms distributed in random pattern Different crystal structures at different temperatures Fixed structure at all temperatures Any one of the above ANSWER DOWNLOAD EXAMIANS APP
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