Engineering Materials Corundum contains more than 95% Al2O3 Steel MgO SiO2 Al2O3 Steel MgO SiO2 ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials A reversible change in the atomic structure of steel with corresponding change in the properties is known as Molecular change Allotropic change Solidus change Physical change Molecular change Allotropic change Solidus change Physical change ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The machinability of steel is increased by Sulphur, graphite and aluminium Silicon and sulphur Phosphorous, lead and sulphur Phosphorous and aluminium Sulphur, graphite and aluminium Silicon and sulphur Phosphorous, lead and sulphur Phosphorous and aluminium ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The main alloying elements high speed steel in order of increasing proportion are Tungsten, titanium, vanadium Chromium, titanium, vanadium Tungsten, chromium, titanium Vanadium, chromium, tungsten Tungsten, titanium, vanadium Chromium, titanium, vanadium Tungsten, chromium, titanium Vanadium, chromium, tungsten ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Inconel contains 80% nickel and 20% chromium 68% nickel, 29% copper and 3% other constituents 80% nickel, 14% chromium and 6% iron 65% nickel, 15% chromium and 20% iron 80% nickel and 20% chromium 68% nickel, 29% copper and 3% other constituents 80% nickel, 14% chromium and 6% iron 65% nickel, 15% chromium and 20% iron ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Shock resisting steels should have Low tensile strength Low wear resistance Toughness Low hardness Low tensile strength Low wear resistance Toughness Low hardness ANSWER DOWNLOAD EXAMIANS APP
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