Engineering Materials Which is false statement about case hardening? Case hardening is done by Induction hardening Electroplating Cyaniding Nitriding Induction hardening Electroplating Cyaniding Nitriding ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials In high speed steels, manganese is used to tougher the metal and to increase its Melting point Yield point Critical temperature Hardness Melting point Yield point Critical temperature Hardness ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The lower critical point for all steels is 913°C 700°C 600°C 723°C 913°C 700°C 600°C 723°C ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following represents the allotropic forms of iron? Alpha iron, gamma from and delta iron Body centered cubic iron and face centered cubic iron Alpha iron and beta iron Alpha iron, beta iron and gamma iron Alpha iron, gamma from and delta iron Body centered cubic iron and face centered cubic iron Alpha iron and beta iron Alpha iron, beta iron and gamma iron ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Iron-carbon alloys containing 1.7 to 4.3% carbon are known as Hypereutectic cast irons Eutectic cast irons None of these Hypoeutectic cast irons Hypereutectic cast irons Eutectic cast irons None of these Hypoeutectic cast irons 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 Chromium, titanium, vanadium Tungsten, titanium, vanadium Vanadium, chromium, tungsten Tungsten, chromium, titanium Chromium, titanium, vanadium Tungsten, titanium, vanadium ANSWER DOWNLOAD EXAMIANS APP
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