Hot blast of air is supplied to the blast furnace through
A) spout
B) stoves
C) prop
D) tuyers
Correct Answer:
Verified
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
Q16: Core prints are
A)made separately in the mould
Q17: In die casting
A)there is no need of
Q18: The water content of green sand is
Q19: Tin coated low carbon steel chaplets are
Q20: Scabs may be caused by
A)low permeability of
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