Engineering Materials 1841 high speed steel contains Vanadium 4%, chromium 18% and tungsten 1% Vanadium 18%, chromium 1% and tungsten 4% None of these Vanadium 1%, chromium 4% and tungsten 18% Vanadium 4%, chromium 18% and tungsten 1% Vanadium 18%, chromium 1% and tungsten 4% None of these Vanadium 1%, chromium 4% and tungsten 18% ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which is false statement about properties of aluminium? Creep strength limits its use to fairly low temperatures Modulus of elasticity is fairly low Fatigue strength is not high Wear resistance is very good Creep strength limits its use to fairly low temperatures Modulus of elasticity is fairly low Fatigue strength is not high Wear resistance is very good ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Chromium when added to steel _________ the tensile strength. Decreases None of these Increases Does not effect Decreases None of these Increases Does not effect ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials A reversible change in the atomic structure of steel with corresponding change in the properties is known as Physical change Molecular change Solidus change Allotropic change Physical change Molecular change Solidus change Allotropic change ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Addition of manganese to aluminium results in Improvement of corrosion resistance Improving machinability Improvement of casting characteristics One of the best known age and precipitation hardening systems Improvement of corrosion resistance Improving machinability Improvement of casting characteristics One of the best known age and precipitation hardening systems ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Steel with __________ carbon is known as hypo-eutectoid steel. Above 0.8% Below 0.8% None of these 0.008 Above 0.8% Below 0.8% None of these 0.008 ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS