When burners are not in use they should be removed from the furnace because?
A. So they won't get damaged
B. Heat may cause sulphur to form within them
C. Heat may cause carbon to form within them
D. All of the above
E. B and C
Answer: C
When burners are not in use they should be removed from the furnace because?
A. So they won't get damaged
B. Heat may cause sulphur to form within them
C. Heat may cause carbon to form within them
D. All of the above
E. B and C
Answer: C