GASM Uzakyol Başmühendisi
GASM Uzakyol Başmühendisi (Chief Engineer Unlimited) Theory (Turkey)
Auxiliary Machinery SystemsEnglish
Exam overviewPractice session
In marine auxiliary boiler water treatment, what is the chemical purpose of maintaining a controlled excess of sodium phosphate (Na3PO4 or Na2HPO4) in the boiler water?
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