Slag and dross can be removed by
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
Correct Answer:
Verified
Q8: Which heat treatment is applicable to aluminium
Q9: Die casting is generally not used for
A)cast
Q10: The principal ingredients of moulding sands are
A)silica
Q11: The function of ejection pin in die
Q12: Which of the following process is used
Q14: Sand acquires a predetermined shape under pressure
Q15: Refractoriness in the moulding sand is due
Q16: Heat treatment of castings is usually done
Q17: Average amount of sand required in a
Q18: On drying, wood
A)expands
B)shrinks
C)changes colour
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