USCG USCG Motor
Set 13 • Question #128 of 382
Launch Interactive Practice Room A photoelectric cell installed in an automatically fired auxiliary boiler burner management system______________________.
A
opens the burner circuit upon sensing a flame failure
✓ Correct Answer
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
USCG NMC Regulatory Explanation
In USCG Motor Plants (Diesel Engineering), regarding 'A photoelectric cell installed in an automatically fired auxiliary boiler burner management system', the correct operational principle is: 'opens the burner circuit upon sensing a flame failure'.
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