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NANTEL CHEMISTRY CERT - ENGINEERING FUNDAMENTALS EXAM 2025 QUESTIONS AND ANSWERS Plant major mechanical systems - ....ANSWER ...-reactor coolant system; feedwater system; component cooling system; service water system Corrosion - ....ANSWER ...-the process by which material is attacked and broken down due to reaction that occur between metal and its environment. Water causes corrosion. Purpose of reactor chemistry control - ....ANSWER ...-protect reactor coolant system pressure boundary; protect fuel cladding; minimize radiation out-of-core (shielding); minimize corrosion Compound - ....ANSWER ...-combination of elements by transferring or sharing electrons Cation - ....ANSWER ...-A positively charged ion Anion - ....ANSWER ...-A negatively charged ion Electron shell - ....ANSWER ...-An energy level representing the distance of an electron from the nucleus of an atom ....FOR STUDY PURPOSES...©️2025 ALL RIGHTS RESERVED... 1