The facting sand used in foundry generally consists of Production Engineering Mcqs May 11, 2019 BILAL KHATTAK0 A.Alumina, clay and silica B.Alumina and clay C.Aluminium and silica D.Silica and binder E.Silica and clay Related Mcqs:Permeability of a foundry sand isLoams sand generally hasSodium silicate in sand in often used asThe main constituent of moulding sand isRefractoriness in the moulding sand is due to the presence ofHand tool used in foundry shop for mixing and conditioning the foundry sand is termedIn the manufacture of urea from ammonia and carbon dioxideThe principal ingredients of moulding sands areClay used for foundry sand should beWhich grain shape of sand particles is least preferred for foundry sands?