Posted by jim on May 09, 2000 at 20:16:38:
In Reply to: Combustion System Question! posted by Boilerman1 on May 09, 2000 at 01:09:58:
: In a combustion system, the presence of the flame is detected by a flame detector which is sensitive to what type of light?
: A.) visible
: B.) ultraviolet
: C.) cadmium
: D.) none of the above