USCG USCG Steam
Set 5 • Question #366 of 496
Launch Interactive Practice Room Phenolphthalein is used as an indicator to test boiler water for __________.
A
B hardness
B
alkalinity
✓ Correct Answer
C
hydrazine
D
chloride content
USCG NMC Regulatory Explanation
In USCG Steam Plants (Boilers & Turbines), regarding 'Phenolphthalein is used as an indicator to test boiler water for', the verified engineering fact is: 'alkalinity'.
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