Black broken lines on a pattern indicates Production Engineering Mcqs February 28, 2019 BILAL KHATTAK0 A.Surface to be left unmachined B.Surfaces to be machined C.Core prints D.Seats for loose core prints E.Fillets Related Mcqs:Green colour on a pattern indicatesYellow colour on a pattern indicatesChaplets arePattern draft for internal surfaces isRadiation heats transfer between two surfaces can be reduced byThe fatigue limit of a materialA diamond point chisel is used forWhen small castings are to be produced in large numbers, the type of pattern generally used isCore prints are provided toIf an old casting is to be used as a pattern, to account for various allowances.