Engineering Materials In spheroidising process, the steel is Heated slightly above the lower critical temperature and then cooled slowly to a temperature of 600°C Heated up to the lower critical temperature and then cooled in still air Heated below the lower critical temperature and then cooled slowly None of these Heated slightly above the lower critical temperature and then cooled slowly to a temperature of 600°C Heated up to the lower critical temperature and then cooled in still air Heated below the lower critical temperature and then cooled slowly None of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Isotropic materials are those which have the same Elastic properties in all directions Thermal properties in all directions Electric and magnetic properties in all directions Stresses induced in all directions Elastic properties in all directions Thermal properties in all directions Electric and magnetic properties in all directions Stresses induced in all directions ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Sulphur in cast iron Increases hardness and brittleness Makes the iron soft and easily machinable Aids fusibility and fluidity Make the iron white and hard Increases hardness and brittleness Makes the iron soft and easily machinable Aids fusibility and fluidity Make the iron white and hard ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The stiffness is the ability of a material to resist Fracture due to high impact loads Externally applied forces with breakdown or yielding Deformation under stress None of these Fracture due to high impact loads Externally applied forces with breakdown or yielding Deformation under stress None of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The alloying element which reduces the formation of iron sulphide in steel is Vanadium Nickel Chromium Manganese Vanadium Nickel Chromium Manganese ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following pipes is least corrosion resistant? Cast iron Brass Wrought iron Mild steel Cast iron Brass Wrought iron Mild steel ANSWER DOWNLOAD EXAMIANS APP