A fire eye or flame scanner keeps the burner circuit energized as long as the burner flame is maintained. This is accomplished using a:
a. Control valve
b. Recorder
c. Thermocouple
d. Photoelectric transducer
e. Controller
Answer: D
A fire eye or flame scanner keeps the burner circuit energized as long as the burner flame is maintained. This is accomplished using a:
a. Control valve
b. Recorder
c. Thermocouple
d. Photoelectric transducer
e. Controller
Answer: D