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
A.having abrupt variation in section
B.with uniform cross-section
C.symmetrical about two axes
D.small in weight but large in volume
A.lime stone
B.coke slurry
C.molasses
D.any of the above
A.Cold shuts
B.Rough surfaces
C.Misruns
D.any of the above
A.expands
B.shrinks
C.changes colour
A.casting is shaken while withdrawing from mould
B.the surfaces are lagged with thin strips of wood or leater
C.the castings are cleaned and made smooth
D.to provide draw screws, holes can be drilled and tapped in the castings
A.hastalloy
B.monel metal
C.N-c alloy
D.permalloy
A.1% – 4%
B.2% – 8%
C.5% – 15%
