USCG USCG Steam
Set 14 • Question #178 of 496
Launch Interactive Practice Room What boiler water chemistry is necessary to ensure the precipitation of hard scale forming calcium?
A
Hydrazine concentrations should be at the proper level.
B
Boiler water hardness should be high.
C
Boiler water should be slightly acidic.
D
Boiler water should have a reserve of phosphates.
✓ Correct Answer
USCG NMC Regulatory Explanation
In USCG Steam Plants (Boilers & Turbines), regarding 'What boiler water chemistry is necessary to ensure the precipitation of hard scale forming calcium', the verified engineering fact is: 'Boiler water should have a reserve of phosphates.'.
Question Discussion & Notes
0Have a doubt, memory trick, or exam update? Share your insights with fellow mariners.
Loading mariner discussions...