Providing more than adequate machining allowance
A) reduces machining cost
B) increases machining cost
C) improves the strength of the casting
D) reduces the strength of the casting
Correct Answer:
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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
Q9: The advantage of shell moulding is
A)Less sand
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
Q15: Gated patterns are normally used for
A)castings for
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