The amount of machining allowance on castings depends on
A.size and shape of the casting
B.casting orientation
C.characteristics of the metal
D.all of the above
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
A.blackening of the mould
B.strong mould
C.good air venting
D.none of the above