A.to provide an opening through which molten metal is poured
B.to give an indication that mould is filled
C.to allow the heat of molten metal to dissipate to atmosphere
D.to supply molten metal to casting as it tends to contract during solidification
A.size and shape of the casting
B.casting orientation
C.characteristics of the metal
D.all of the above
A.square
B.circular
C.rectangular
D.any of the above
A.green sand mould
B.skin dry sand mould
C.dry sand mould
D.none of the above
A.linseed oil
B.turpentine
C.cement
D.none of the above
A.10 — 30
B.40 – 70
C.50 – 80
A. Misrun
B. Inclusions
C. Blow holes
D. All of the above
A.skimming from the molten metal
B.using bottom pouring ladle
C.using pouring basin in place of a pouring cup
D.any of the above
A.pressed and slush casting
B.slush and gravity casting
C.gravity and semi permanent mould casting
D.none of the above
Continue reading “The methods of casting for producing ornamental pieces are ____________?”
A.Die casting process
B.Investment casting
C.Permanent mould casting
D.Centrifugal casting
