In steel carbon is Materials of Construction Mcqs January 4, 2020 BILAL KHATTAK0 A.present wholly in the combined form B.mostly present in the free state as graphite C.not desirable D.none of the aboveRelated Mcqs:In pack-carburising carbon is suppliedCarbon steel isWhen piece of 0.2% carbon steel is heated above third critical point the steel is a solid solution of carbon in gamma iron and calledAttack of steel is increased byC-14 steel indicates plain carbon steel containing carbon percentageMan dies in an atmosphere of carbon monoxide becauseIn plain carbon steel as the percentage of carbon increases from 0.2% to 0.8% which of the following decreases?White cst iron containsThe solid solution carbon in alpha iron obtained on cooling of 0.2% carbon steel which have been heated above the third critical point is calledThe percentage of carbon in low carbon steel is