To prevent the possibility of a furnace explosion, it is important that the furnace is _____ before the igniter is energized and fuel is supplied to the burner nozzle(s).
a. Pre-heated
b. Post-heated
c. Purged
d. Cooled
e. Pressurized
Answer: C
To prevent the possibility of a furnace explosion, it is important that the furnace is _____ before the igniter is energized and fuel is supplied to the burner nozzle(s).
a. Pre-heated
b. Post-heated
c. Purged
d. Cooled
e. Pressurized
Answer: C