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7 Cards in this Set
- Front
- Back
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What is the function of the Closed Cooling Water System?
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Remove heat generated in components located in the Turbine Building and transfer the heat to the Service Water System.
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What chemicals are added to the Closed Cooling Water System?
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Sodium Molybdates to maintain a passive film on piping. Sodium Tolytriazole is used as a copper corrosion inhibitor.
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The function of the Closed Cooling Water surge tank is to:
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Provides expansion and contraction of the cooling water and provides for leakage from the system and makeup.
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Where is the Closed Cooling Water System pump and heat exchangers physically located?
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Turbine building 2000' elev., north end.
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Question: Which components of the Main Generator System does the Closed Cooling Water System cool?
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Answer: Generator exciter and isophase bus duct cooler.
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Temperature control valve, EB TV-9, loses its instrument air supply. What happens to the valve and system flow?
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EB TV-9 fails closed sending full system flow through the heat exchangers.
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Can leakage from the Closed Cooling Water System be discharged directly to the environment without contacting the Chemistry Department?
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No. Due to chemical treatment, liquids lost from the system during seal leakage, draining, and venting shall be collected and disposed of according to Chemistry Department instructions.
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