The submerged electrode low water cutoff used in some automatically fired auxiliary boilers, will secure the burner fuel supply if the boiler water level __________. See illustration MO-0047.
A
touches the bottom of the electrode
B
drops below the electrode tip
C
changes from low to high level
D
remains constant and unvarying
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Question 1 / 205eccefa3bacbc34ba4d47c41
Question 1 of 205eccefa3bacbc34ba4d47c41
The submerged electrode low water cutoff used in some automatically fired auxiliary boilers, will secure the burner fuel supply if the boiler water level __________. See illustration MO-0047.
The submerged electrode low water cutoff used in some automatically fired auxiliary boilers, will secure the burner fuel supply if the boiler water level __________. See illustration MO-0047.