Engineering Materials In mottled cast iron, carbon is available in Free form Nodular form Partly in free and partly in combined state Combined form Free form Nodular form Partly in free and partly in combined state Combined form ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Corrosion resistance of steel is increased by adding Tungsten and sulphur Nickel and molybdenum Chromium and nickel Aluminium and zinc Tungsten and sulphur Nickel and molybdenum Chromium and nickel Aluminium and zinc ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Mild steel belongs to the following category Low carbon steel Alloy steel Medium carbon steel High carbon steel Low carbon steel Alloy steel Medium carbon steel High carbon steel ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Vanadium in high speed steels Promotes decarburisation Provides high hot hardness Forms very hard carbides and thus increases wear resistance Promotes retention of austenite Promotes decarburisation Provides high hot hardness Forms very hard carbides and thus increases wear resistance Promotes retention of austenite ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which is false statement about properties of aluminium? Wear resistance is very good Modulus of elasticity is fairly low Creep strength limits its use to fairly low temperatures Fatigue strength is not high Wear resistance is very good Modulus of elasticity is fairly low Creep strength limits its use to fairly low temperatures Fatigue strength is not high ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The percentage of carbon in grey iron castings usually varies between 0.012 0.5 to 1% 2.5 to 4.5% 5 to 7% 0.012 0.5 to 1% 2.5 to 4.5% 5 to 7% ANSWER DOWNLOAD EXAMIANS APP
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