Materials and Construction Pure nickel is Having h.c.p. crystal lattice Ferromagnetic at room temperature Not resistant to oxidation at high temperature Ferromagnetic above its curie point (i.e., 415°C) Having h.c.p. crystal lattice Ferromagnetic at room temperature Not resistant to oxidation at high temperature Ferromagnetic above its curie point (i.e., 415°C) ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following is the hardest? Cementite Ferrite Austenite Pearlite Cementite Ferrite Austenite Pearlite ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Addition of __________ to the steel helps in increasing the residual magnetism in steel used for making magnets. Nickel Chromium Cobalt Tungsten Nickel Chromium Cobalt Tungsten ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Concrete tank can be used to store Ferrous sulphate Alum Sulphuric acid Saturated brine Ferrous sulphate Alum Sulphuric acid Saturated brine ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Iron rust is Hydrated ferric oxide Ferric sulphide Powdered iron Ferrous oxide Hydrated ferric oxide Ferric sulphide Powdered iron Ferrous oxide ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Cast iron compared to steel is better in Ductility Strength Malleability Fluidity & castability Ductility Strength Malleability Fluidity & castability ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS