Multiple Choice
The advantage of oxygen enriched cupola is
A) higher temperature of molten iron
B) high efficiency of cupola
C) reduced heat loss in waste gases
D) all of the above
Correct Answer:

Verified
Correct Answer:
Verified
Related Questions
Q13: For stress relieving, castings are<br>A)heated to low
Q14: The advantage of centrifugal casting is<br>A)dense castings<br>B)elimination
Q15: Which of the following is used as
Q16: All of the following are non-destructive method
Q17: All of the following are boring tools
Q19: For sterite refractory bricks are attacked by<br>A)basic
Q20: Addition of nickel to cast iron increases<br>A)hardness<br>B)corrosion
Q21: The solidification shrinkage of carbon steel is
Q22: Magnesium aluminium alloys are grain refined by
Q23: The advantage of shell moulding is<br>A)Less sand