In melting of aluminium, the dross consists of Foundry Technology Mcqs August 1, 2019 BILAL KHATTAK0 A.oxides of aluminium, magnesium etc. B.sand and dust C.lighter material D.none of the aboveRelated Mcqs:Which of the following metals has the lowest melting point?Which metal has the lowest melting point?The principal ingredients of moulding sands areUse of flux in melting of magnesiumEngine pistons are generally made of aluminium alloy becausePit furnace can be used for the melting ofA pit furnace can be used for the melting ofThe average values of modulus of rigidity for Aluminium. Brass Copper, Nickel and Steel in desceading order are given byHastalloy consists ofWhat is loess?
