Engineering Materials Cyaniding is the process of Adding carbon and nitrogen by heat treatment of steel to increase its surface hardness Obtaining cyanide salts Dipping steel in cyanide bath Reacting steel surface with cyanide salts Adding carbon and nitrogen by heat treatment of steel to increase its surface hardness Obtaining cyanide salts Dipping steel in cyanide bath Reacting steel surface with cyanide salts ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials If a refractory contains high content of silicon, it means refractory is Neutral Acidic Brittle Basic Neutral Acidic Brittle Basic ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Steel with __________ carbon is known as hypo-eutectoid steel. 0.008 None of these Below 0.8% Above 0.8% 0.008 None of these Below 0.8% Above 0.8% ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Cast iron is a Malleable material Tough material Brittle material Ductile material Malleable material Tough material Brittle material Ductile material ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials German silver contains 5% silver 2% silver No silver 1% silver 5% silver 2% silver No silver 1% silver ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Smelting is the process of All of these Reducing the ore with carbon in the presence of a flux Removing the impurities like clay, sand etc. from the iron ore by washing with water Expelling moisture, carbon dioxide, sulphur and arsenic from the iron ore by heating in shallow kilns All of these Reducing the ore with carbon in the presence of a flux Removing the impurities like clay, sand etc. from the iron ore by washing with water Expelling moisture, carbon dioxide, sulphur and arsenic from the iron ore by heating in shallow kilns ANSWER DOWNLOAD EXAMIANS APP
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