Log In


Engine : General Subjects - 1688/1128
Get a hint
« Previous Question
A photoelectric cell installed in an automatically fired auxiliary boiler burner management system __________.
A) opens the burner circuit upon sensing a flame failure
B) detects a flame failure by monitoring radiant heat from glowing refractory
C) requires mechanical linkage to secure the burner fuel supply
D) must be bypassed at low firing rates
loading answer...
Comments
There are no comments for this question.
0 0 0%

Study Mode
Answers Only
Options
Clear Score