The advantage of shell moulding is
A) Less sand requirement
B) Process can be used for all cast metals
C) Good accuracy of dimensions
D) All of the above
Correct Answer:
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Q4: The solidification shrinkage of carbon steel is
Q5: The draft allowance to be provided on
Q6: Magnesium aluminium alloys are grain refined by
Q7: The advantage of oxygen enriched cupola is
A)higher
Q8: The contraction allowance for pattern depends on
A)composition
Q10: Providing more than adequate machining allowance
A)reduces machining
Q11: As a result of melting in cupola,
Q12: Chaplets are provided to
A)reduce core sag
B)support heavy
Q13: Polystyrene often used as a consumable pattern
Q14: For stress relieving, castings are
A)heated to low
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