Materials and Construction Ball bearings are normally made of __________ steel. High speed Chrome High carbon Silicon High speed Chrome High carbon Silicon ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Zircalloy used as a fuel cladding material in a nuclear reactor (thermal) is an alloy of zirconium And copper And graphite Tin, nickel, iron and chromium None of these And copper And graphite Tin, nickel, iron and chromium None of these ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Carbon is present in steel wholly in the Combined form Neither A nor B Both A & B Free state as graphite Combined form Neither A nor B Both A & B Free state as graphite ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction __________ of a material results, when its strength is increased & ductility is decreased by heating at a relatively lower temperature after cold working. Strain ageing Screw dislocation Twinning Solid solution hardening Strain ageing Screw dislocation Twinning Solid solution hardening ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Iron rust is Ferrous oxide Ferric sulphide Hydrated ferric oxide Powdered iron Ferrous oxide Ferric sulphide Hydrated ferric oxide Powdered iron ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Spark plugs are made of High alumina ceramic Carborundum Metallic carbides Corundum High alumina ceramic Carborundum Metallic carbides Corundum ANSWER DOWNLOAD EXAMIANS APP