Engineering Materials Cyaniding is the process of Obtaining cyanide salts Reacting steel surface with cyanide salts Dipping steel in cyanide bath Adding carbon and nitrogen by heat treatment of steel to increase its surface hardness Obtaining cyanide salts Reacting steel surface with cyanide salts Dipping steel in cyanide bath Adding carbon and nitrogen by heat treatment of steel to increase its surface hardness ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Alnico, an alloy used extensively for permanent magnets contains iron, nickel, aluminium and cobalt in the following ratio 50 : 20 : 10 : 20 40 : 30 : 20 : 10 50 : 20 : 20 : 10 30 : 20 : 30 : 20 50 : 20 : 10 : 20 40 : 30 : 20 : 10 50 : 20 : 20 : 10 30 : 20 : 30 : 20 ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following has highest specific strength of all structural materials? Magnetic steel alloys Magnesium alloys Chromium alloys Titanium alloys Magnetic steel alloys Magnesium alloys Chromium alloys Titanium alloys ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Smelting is the process of All of these Removing the impurities like clay, sand etc. from the iron ore by washing with water Reducing the ore with carbon in the presence of a flux Expelling moisture, carbon dioxide, sulphur and arsenic from the iron ore by heating in shallow kilns All of these Removing the impurities like clay, sand etc. from the iron ore by washing with water Reducing the ore with carbon in the presence of a flux Expelling moisture, carbon dioxide, sulphur and arsenic from the iron ore by heating in shallow kilns ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Quenching is not necessary when hardening is done by Any one of these Case hardening Nitriding Flame hardening Any one of these Case hardening Nitriding Flame hardening ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Delta-iron occurs between the temperature ranges of 1400°C to 1530°C 900°C to 1400°C 600°C to 900°C 400°C to 600°C 1400°C to 1530°C 900°C to 1400°C 600°C to 900°C 400°C to 600°C ANSWER DOWNLOAD EXAMIANS APP
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