USCG USCG Motor
Set 9 • Question #373 of 382
Launch Interactive Practice Room The most common cause of scale formation in an auxiliary boiler is______________.
A
concentrations of calcium sulfate in the boiler water
✓ Correct Answer
B
fuel oil in the feedwater
C
improper treatment of the feedwater with calcium sulfate
D
excessive feedwater alkalinity
USCG NMC Regulatory Explanation
In USCG Motor Plants (Diesel Engineering), regarding 'The most common cause of scale formation in an auxiliary boiler is', the correct operational principle is: 'concentrations of calcium sulfate in the boiler water'.
Question Discussion & Notes
0Have a doubt, memory trick, or exam update? Share your insights with fellow mariners.
Loading mariner discussions...