Engineering Materials Which of the following material has nearly zero coefficient of expansion? Invar Heat resisting steel Stainless steel High speed steel Invar Heat resisting steel Stainless steel High speed steel ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Induction hardening is the process of Heating and cooling rapidly Inducing hardness by continuous process Increasing hardness throughout Hardening surface of work-piece to obtain hard and wear resistant surface Heating and cooling rapidly Inducing hardness by continuous process Increasing hardness throughout Hardening surface of work-piece to obtain hard and wear resistant surface ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Blast furnace is used to produce Wrought iron Steel Pig iron Cast iron Wrought iron Steel Pig iron Cast iron ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The main alloying elements high speed steel in order of increasing proportion are Vanadium, chromium, tungsten Tungsten, chromium, titanium Tungsten, titanium, vanadium Chromium, titanium, vanadium Vanadium, chromium, tungsten Tungsten, chromium, titanium Tungsten, titanium, vanadium Chromium, titanium, vanadium ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Tungsten when added to steel __________ the critical temperature. Does not effect Raises None of these Lowers Does not effect Raises None of these Lowers ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Steel contains 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 50% or more iron 80% or more iron Alloying elements like chromium, tungsten nickel and copper ANSWER DOWNLOAD EXAMIANS APP
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