The function of ejection pin in die casting is to
A.pushout casting off the die
B.provide movable core spaces
C.facilitate die casting of several components
D.none of the above
A.pushout casting off the die
B.provide movable core spaces
C.facilitate die casting of several components
D.none of the above
A.permeability increases
B.permeability decreases
C.permeability remains unchanged
A.sand toughness
B.sand adhesiveness
C.sand cohesiveness
D.none of the above
A.non-ferrous castings
B.investment casting process
C.machine moulding process
D.all of the above
A.resistant to wear
B.machinable
C.malleable
D.brown in colour
A.chemical attack
B.mechanical erosion
C.thermal fatigue
D.all of the above
A.pit moulding
B.plate moulding
C.bench moulding
D.none of the above
A.Riddle
B.Shovel
C.Trowel
A.grain size and shape of sand particles
B.bonding material
C.moisture content
D.all of the above
A.Trowels
B.Lifters or cleaners
C.Slincks