Multiple Choice
For stress relieving, castings are
A) heated to low temperature and furnace cooled
B) heated to a temperature around melting point and slowly cooled
C) heated in stages and also cooled in stages
D) heated by flame and air cooled
Correct Answer:
Verified
Correct Answer:
Verified
Q8: Tempering is generally done to reduce all
Q9: Gated patterns are normally used for<br>A)castings for
Q10: Casting made in relatively simple shapes and
Q11: Chaplets are provided to<br>A)reduce core sag<br>B)support heavy
Q12: A casting process which can produce hollow
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
Q18: The advantage of oxygen enriched cupola is<br>A)higher