A casting process which can produce cylinders by inserting cores into molten metal poured in the mould is
A) Semi permanent mould casting
B) pressed casting
C) permanent mould or gravity die casting
D) none of the above
Correct Answer:
Verified
Q6: Contraction allowance for grey cast iron is
Q7: In case of plaster moulding the mould
Q8: Which statement is not true for green
Q9: Melting point of copper
A)1444°C
B)1576°C
C)665°C
D)1083°C
Q10: Rough surface of casting may result from
A)high
Q12: When sulphur is to be removed from
Q13: A mould cracks after drying. It indicates
A)excess
Q14: Moisture content of the moulding sand is
Q15: Electric furnaces can usually operate upto a
Q16: Inoculants are added to aluminium mainly for
A)grain
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