What method is used to eliminate crater cracks in aluminum ...

[penza]

What method is used to eliminate crater cracks in aluminum alloys?
 
  A) Backstepping
  B) Craterfill
  C) Adding filler metal
  D) Trigerring
  E) All of the above

Question 2

What is the net stack temperature?
 
  A) The sum of the stack temperature and the ambient temperature
  B) The temperature difference between the over fire temperature and the stack temperature
  C) The temperature difference between the over fire temperature and the ambient temperature
  D) The temperature difference between the stack temperature and the ambient temperature

[choc0chan]

Answer to Question 1

B

Answer to Question 2

D

[penza]

Thanks for the timely response, appreciate it

[rachel]

Gracias!