Engineering Materials When a steel containing __________ 0.8% carbon is cooled slowly below the lower critical point, it consists of ferrite and pearlite. Equal to More than Less than None of these Equal to More than Less than None of these 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
Engineering Materials The property of a material which enables it to retain the deformation permanently, is called Ductility Brittleness Plasticity Malleability Ductility Brittleness Plasticity Malleability ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The hardness is the property of a material due to which it Can be drawn into wires Can be rolled or hammered into thin sheets Can cut another metal Breaks with little permanent distortion Can be drawn into wires Can be rolled or hammered into thin sheets Can cut another metal Breaks with little permanent distortion ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Tungsten in high speed steel provides Toughness Wear resistance Sharp cutting edge Hot hardness Toughness Wear resistance Sharp cutting edge Hot hardness ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following constituents of steels is softest and least strong? Ferrite Pearlite Austenite Cementite Ferrite Pearlite Austenite Cementite ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS