Exam (elaborations)
Utilitiesman Basic Boilers Exam Questions and All Correct Answers
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Utilitiesman Basic Boilers Exam Questions and All Correct Answers Which acid is NOT required in chemical cleaning of boilers? -boric -sulfuric -citric -sulfamic - ANSWER Boric acid Which are scale-forming elements? -silicon and calcium -calcium sulfate and precipitates of hardn...
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