For grey cast iron the pouring temperature is
A) 1400 to 1465°C
B) 1455 to 1495°C
C) 1250 to 1290°C
D) 1510 to 1532°C
Correct Answer:
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Q4: Which inoculant is used to produced ductile
Q5: There is no need for the withdrawal
Q6: Annealing of aluminium castings
A)improves ductility
B)relieves micro stresses
C)reduces
Q7: The sand mass does not fall out
Q8: Which of the following is used to
Q10: Permeability of sand decreases as
A)permeability increases
B)moisture content
Q11: On the interior surfaces the draft allowance
Q12: The hardness of the mould is affected
Q13: In furan process, furan resins are primarily
Q14: The advantage of investment casting is
A)high degree
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