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12 Cards in this Set
- Front
- Back
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1. How many Service Water pumps are there? (Obj. 1)
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1. Four - "A", "B", "C", Low Flow
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2. What chemical is added to the Service Water System for MIC/MIF control? (Obj. 1)
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2. Sodium hypochlorite/sodium bromide (oxidizing biocide)
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3. What are the five (5) site systems at the Circulating Water Screen House listed in Objective 2 (Chlorination System is abandoned in place)? (Obj. 2)
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3. Service Air (SZ) System, Fire Protection (FP) System, Sodium Hypochlorite/Sodium Bromide System, Acid Feed (AX) System and Circulating Water System Gland Seal and Screen Wash (SW) System.
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4. What are the twelve (12) Power Block Loads listed in Objective 2? (Obj. 2)
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4. Closed Cooling Water Heat Exchangers, Steam Packing Exhauster, Generator Hydrogen Coolers, Turbine Generator Lube Oil Coolers, Steam Generator Blowdown Non Regenerative Heat Exchanger, Condenser Vacuum Pump Seal Water Cooler, Generator Stator Water Cooling System Coolers, Waterbox Venting Pump Seal Coolers, S/U Motor Driven Feedwater Pump Coolers, Ionics Water Treatment System, Central Chiller Condensers and Pump Out Units and BTRS Chiller Heat Exchanger.
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5. With the Service Water Strainers in AUTO control, what causes the strainer back wash systems to auto start? (Obj 1 and 5)
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5. The strainer back wash will auto start every 8 hours from a timer and run for approximately 5 minutes. Also, if strainer DP reaches the Hi DP setpoint, it will auto start and continue to back wash until DP drops below the setpoint.
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6. Which signals will close all the Service Water/Essential Service Water System cross-tie valves? (Obj. 3 & 4)
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6. Safety Injection Signal and Loss of Offsite Power signal.
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7. Which signals will cause an automatic switchover of the ESW System loads from the Service Water Pump supply to the ESW Pump supply? (Obj. 3 & 4)
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7. SIS, Loss of Offsite Power, or LSP with AFAS
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8. Do the Service Water Pumps receive any auto start signals? (Obj. 5)
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8. No
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9. What are the Service Water System strainer protective trips? (Obj. 5)
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9. Overcurrent and undervoltage.
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10. What is the electrical power supply for the Service Water System pump "C"? (Obj. 6)
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10. SL31
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11. What is the electrical power supply for the Service Water System low flow pump? (Obj. 6)
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11. SL41
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12. Why did the Service Water pump suction strainers become clogged at Ginna Unit 1? (Obj. 7)
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12. Traveling water screens, which are upstream of the service water bay, did not effectively prevent infiltration.
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