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 The percentage carbon content in wrought iron is about 0.02 0.1 2 0.4 0.02 0.1 2 0.4 ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Amorphous material is one In which atoms align themselves in a geometric pattern upon solidification In which there is no definite atomic structure and atoms exist in a random pattern just as in a liquid Which is not attacked by phosphorous Which emits fumes on melting In which atoms align themselves in a geometric pattern upon solidification In which there is no definite atomic structure and atoms exist in a random pattern just as in a liquid Which is not attacked by phosphorous Which emits fumes on melting ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Cyaniding is the process of Obtaining cyanide salts Adding carbon and nitrogen by heat treatment of steel to increase its surface hardness Reacting steel surface with cyanide salts Dipping steel in cyanide bath Obtaining cyanide salts Adding carbon and nitrogen by heat treatment of steel to increase its surface hardness Reacting steel surface with cyanide salts Dipping steel in cyanide bath ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The alloying element which increases residual magnetism and coercive magnetic force in steel for magnets is Cobalt Nickel Chromium Vanadium Cobalt Nickel Chromium Vanadium ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Ferromagnetic alpha iron exists in temperature range of 1400 to 1539°C Below 723°C 910 to 1440°C 770 to 910°C 1400 to 1539°C Below 723°C 910 to 1440°C 770 to 910°C ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS