Engineering Materials Grey cast iron has High tensile strength All of these Carbon in the form of free graphite Low compressive strength High tensile strength All of these Carbon in the form of free graphite Low compressive strength ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Carbon steel is Refined from cast iron An alloy of iron and carbon with varying quantities of phosphorus and sulphur Extensively used for making cutting tools Made by adding carbon in steel Refined from cast iron An alloy of iron and carbon with varying quantities of phosphorus and sulphur Extensively used for making cutting tools Made by adding carbon in steel ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Addition of silicon to aluminium results in Improving machinability One of the best known age and precipitation hardening systems Improvement of casting characteristics Improvement of corrosion resistance Improving machinability One of the best known age and precipitation hardening systems Improvement of casting characteristics Improvement of corrosion resistance ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Sulphur in cast iron Increases hardness and brittleness Make the iron white and hard Makes the iron soft and easily machinable Aids fusibility and fluidity Increases hardness and brittleness Make the iron white and hard Makes the iron soft and easily machinable Aids fusibility and fluidity ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The main alloying elements high speed steel in order of increasing proportion are Tungsten, titanium, vanadium Vanadium, chromium, tungsten Tungsten, chromium, titanium Chromium, titanium, vanadium Tungsten, titanium, vanadium Vanadium, chromium, tungsten Tungsten, chromium, titanium Chromium, titanium, vanadium ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials For a steel containing 0.8% carbon There can be any number of critical points There is only one critical point There is no critical point There are two critical points There can be any number of critical points There is only one critical point There is no critical point There are two critical points ANSWER DOWNLOAD EXAMIANS APP