Permanent mould casting is also known as
A) chill casting
B) short casting
C) gravity die casting
D) slush casting
Correct Answer:
Verified
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
Q18: In investment casting the pattern is made
Q19: Consumable patterns are made of
A)polystyrene
B)wax
C)plaster of paris
D)any
Q20: The function of riser is
A)to allow the
Q21: According to Chvorinov's equation, the solidification time
Q22: Swelling of castings may occur due to
A)insufficient
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