Some automatically fired auxiliary boilers are equipped with the water level electrode assembly shown in the illustration. In this type of water level control, the burner circuit is completed through the __________. See illustration MO-0047.
A
third leg of the water level electrode assembly
B
ungrounded neutral leg of the control circuit
C
water in the boiler drum and electrode assembly
D
magnetic field surrounding the water level electrode assembly
Loading interactive features...
Question 1 / 205eccefa3bacbc34ba4d47c40
Question 1 of 205eccefa3bacbc34ba4d47c40
Some automatically fired auxiliary boilers are equipped with the water level electrode assembly shown in the illustration. In this type of water level control, the burner circuit is completed through the __________. See illustration MO-0047.
Some automatically fired auxiliary boilers are equipped with the water level electrode assembly shown in the illustration. In this type of water level control, the burner circuit is completed through the __________. See illustration MO-0047.