What piece of equipment in a hot oil system requires the most operator attention?
a) the hot oil user
b) the flame detector
c) the heater
d) the burner control panel
e) the safety valve
Answer: C
What piece of equipment in a hot oil system requires the most operator attention?
a) the hot oil user
b) the flame detector
c) the heater
d) the burner control panel
e) the safety valve
Answer: C