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48 Cards in this Set

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Which action occurs in the Component Cooling Water System when a Component Cooling Water Process Radiation Monitor, EG RT-09 or EG RT-10, reaches a HIGH alarm setpoint? A. Closure of the CCW surge tank makeup(EG LV-1/2) and vent valves(EG RV-9/10).B. Closure of the RCP thermal barrier CCW return isolations(EG HV-61/62).C. Closure of CCW loop supply(EG HV-58/71) and return valves(EG HV59/60).D. Closure of Radwaste CCW supply(EG HV69A/70A) and return valves(EG HV-69B/70B).
A
At 100% power with CCW Train "A" supplying the service loop the Secondary Liquid Waste Evaporator has high CCW flow.What components are affected by this condition? A. Radwaste CCW supply and return valves (EG HV-69A/B and EG HV-70A/B)B. CCW Surge Tank Vent valves (EG RV-9 and EG RV-10)C. CCW return from Containment valves (EG HV-60 and EG HV-59)D. CCW supply to Containment valves (EG HV-71 and EG HV-58)
A
CCW is in a normal alignment with train "A" supplying the service loop.What action occurs in the Component Cooling Water System (EG) on a Safety Injection Signal (SIS) actuation? A. Reactor Coolant Pump thermal barrier return isolation valves close.B. CCW surge tank vent valves close.C. CCW service loop supply and return valves close.D. CCW heat exchanger Temperature Control Valve bypass valves close.
D
At 50% power with only CCW pump A in service, both East and West Switchyard buses de-energize. After performing Immediate Actions the reactor operator notes CCW pumps A and D are running.What does this condition indicate? A. CCW pumps actuated correctly.B. CCW pumps B and C were load shed.C. CCW pump C failed to start.D. CCW pump B failed to start.
D
Letdown temperature controller, BG TCV-130, failed causing maximum CCW flow through the Letdown Heat Exchanger.What is the probable result of this condition? A. Thermal shock to the VCT spray nozzlesB. RCS dilutionC. Damage to the CVCS demineralizer resin bedsD. RCS boration
B
The plant is in Mode 3 with a cooldown in progress. CCW Train "B" is supplying the service loop. Annunciator 00-053D "CCW SRG TK B LEV HILO" alarms. CCW Surge Tank "B" water level is slowly decreasing. Diverse indications show the makeup valve is full open and the Aux Watch reports there are no signs of system leakage.What is the probable cause of the above conditions? A. Excessive primary plant cooldown rate.B. CCW system pressure too high for AN pumps to overcome.C. A tube leak exists in the seal water return heat exchanger.D. A leak exists in an RCP thermal barrier heat exchanger.
C
Assume CCW Service Loop is isolated while attempting to locate and isolate a leak.What parameter would require the Reactor Coolant Pumps to be tripped? A. Loss of CCW to the thermal barrier.B. Seal water and bearing temperature at 2100F.C. Seal differential pressure greater than 400 psig.D. RCP upper bearing temperature at 2100F.
D
> A. Letdown is diverted to the PRT.B. Letdown bypasses the demineralizer.C. Letdown isolates.D. Letdown is diverted to the RHUT.
B
The plant is operating at full power with "B" CCW train supplying the Service Loop. A 200 gpm CCW leak occurs in Radwaste.Which of the following accurately describes the system response to the leak with no operator action? A. EG HV-69 will close on Lo-Lo Surge Tank Level in "B" Surge Tank, EG HV-70 will stay open.B. EG HV-70 will close on Lo-Lo Surge Tank Level in "B" Surge Tank, EG HV-69 will stay open.C. EG HV-69 and EG HV-70 will close to isolate CCW to Radwaste on Lo-Lo Surge Tank Level in "B" Surge Tank.D. EG HV-69 and EG HV-70 will close to isolate CCW to Radwaste on High Flow.
B
The Reactor Operator (RO) notices that the hand indicating switch for the "C" Reactor Coolant Pump (RCP) Thermal Component Cooling Water (CCW) isolation valve is showing dual indication. The RO pushes the CLOSE pushbutton by direction of the Supervising Operator - Dual indication remains and no other manual operator action is performed. There is still CCW flow.What describes that automatic action has taken place and why the dual indication? A. Low CCW flow from the thermal barrier; limit switch ZS16 has failed open.B. Low CCW flow to the thermal barrier; limit switch ZS1 has failed closed.C. High CCW flow to the thermal barrier; torque switch WS18 has failed closed.D. High CCW flow from the thermal barrier; torque switch WS17 has failed open.
D
The plant is at 100% power. Flow reading on BB FI-19, "RCP C THERMAL BARRIER CCW FLOW," increases to 100 gpm. All support systems for the Reactor Coolant Pump's (RCP's) are operating normally.What automatic action occurs? A. EG HV-62, "CCW FROM RCS INNER CTMT ISO VLV", closesB. BB HV-15, "CCW FROM RCP C", closesC. BB HV-8351C, "RCP C SEAL WTR INJ VLV", closesD. BB HV-16, "CCW FROM RCP "D", opens
B
The following conditions exist for a CCW train that is supplying the Service Loop after an SIS has occurred. Assume all equipment is operating as required.* Surge Tank level is increasing* Surge Tank vent is open* Normal Makeup is closed* Emergency makeup is closedThe leak is from which component? A. CCW heat exchangerB. RCP Thermal BarrierC. RHR Heat ExchangerD. LTDN Heat Exchanger
A
What is the main purpose for shifting the Component Cooling Water system service loop to the safety train which is unaffected by a loss of NB bus voltage?Assume that the CCW service loop was aligned to the affected bus. A. To maintain cooling to the Chemical and Volume Control System Letdown Heat Exchanger.B. To maintain cooling to the BTRS chiller.C. To maintain cooling to the Spent Fuel Pool.D. To maintain cooling to the Reactor Coolant Pump motor bearing oil coolers.
D
The radwaste operator is adjusting cooling water flow to the Liquid Radwaste Evaporator.If the adjustment is to full open, how will it affect the plant? ccw A. High flow to the RCP thermal barriers.B. High flow to the RHR seal coolers.C. Low flow to the Excess letdown heat exchanger.D. Low flow to the RCDT heat exchanger.
A
The plant is at 37% power, normal alignment, with Component Cooling Water (CCW) Train "B" in service. The crew is performing a quarterly flush of the ESW system and chemical biocide treatment when a number of tubes in "B" CCW Heat Exchanger rupture.With no operator action, what is the expected system response? A. Surge tank Vent valve EG RV-009 goes closed.B. "B" and "D" pumps are running with no suction.C. Radwaste isolation valves EG-HV069A and EG-HV069B close.D. Surge tank Makeup Valve EG-LV002 receives a CLOSE signal.
B
Component Cooling Water (CCW) surge tank "B" level is noticed as increasing when EG-RE010, CCW Train "B" Process Radiation Monitor, goes into ALERT. The unit is at 100% power all systems in normal alignment.What leaking system component could account for this condition? A. Boron Recycle Evaporator Vent CondenserB. Seal Water Heat ExchangerC. Excess Letdown Heat ExchangerD. Letdown Heat Exchanger
D
Which heat exchanger (when in service) is LEAST likely to be the source of radioactive contamination in Component Cooling Water? A. RCP thermal barrier heat exchanger.B. Seal water return heat exchanger.C. Excess letdown heat exchanger.D. Letdown heat exchanger.
B
What signals automatically start the Component Cooling Water Pumps? A. LOCA Sequencer, Shutdown Sequencer, low CCW header pressure, and start of train high head safety injection pumpB. Start of Centrifugal Charging Pump in the respective train, Containment Isolation Signal-B, and low CCW header pressureC. High CCW flow to Radwaste components, Low CCW flow to Radwaste components, and start of any Chemical and Volume Control System Centrifugal Charging PumpD. LOCA Sequencer, Shutdown Sequencer, and Containment Isolation Signal Phase "B" (CIS-B)
A
A train Component Cooling Water (CCW) surge tank level and CCW pump C discharge pressure are decreasing.What action occurs when Main Control Board Alarm 051B, CCW PMP A/C PRESS LO,illumninates? A. CCW to the Radwaste Building isolatesB. CCW pump A startsC. CCW pump D startsD. Automatic makeup initiates
B
What safety-related loop heat loads are supplied Component Cooling Water? A. Residual Heat Removal heat exchanger and Reactor Coolant Drain Tank heat exchangerB. Residual Heat Removal Pump seal cooler, Spent Fuel Pool Cooling heat exchangerC. Safety Injection Pump oil cooler and Reactor Coolant Pump thermal barrier heat exchangerD. Centrifugal Charging Pump oil cooler and Letdown heat exchanger
B
Which of the following component interfaces between the Component Cooling Water and Chemical Volume Control System? A. Regenerative Heat ExchangerB. Excess Letdown Heat ExchangerC. Mixed Bed DemineralizerD. Volume Control Tank
B
What effect will taking control switch EG HS-70A "Radwaste CCW Header Isolation Handswitch" out of its NORMAL position have on Radwaste operation? A. Closes all of the Radwaste Isolation Valves and removes control from the Main Control Board.B. Closes EG HV-70A and B to isolate CCW to and from Radwaste, and removes control from the Main Control Board.C. Closes EG HV-70A to isolate Component Cooling Water to Radwaste, but control will be retained from the Main Control Board.D. Closes EG HV-70A and removes control of the valve from the Control Room Board.
D
What heat loads are supplied from the CCW service loop? A. RCP upper bearing oil cooler and RHR Pump seal coolerB. CVCS letdown heat exchanger and CVCS Chiller (BTRS)C. CVCS seal water heat exchanger and RCP lower bearing oil coolerD. RCP motor air cooler and Spent Fuel Pool heat exchanger
C
What signal(s) cause CCW to RCP's Inside Containment Isolation Valve EG-HV062 to close? A. High return flow and high containment pressure 17psigB. High return temperature and high containment pressure 17psigC. High return flowD. High return temperature
C
Sodium Molybdates are added to the Component Cooling Water System to coat parts of the system.Where does this passive film type coating attach itself to? A. Stainless steel internals of the surge tank.B. Copper surfaces of the system.C. Residual Heat Removal heat exchanger tubes at 100% power.D. Internal carbon steel surfaces of the system.
D
The plant is at 37% power, normal alignment, with Component Cooling Water (CCW) Train "B" in service. The crew is performing a quarterly flush of the ESW system and chemical biocide treatment when a number of tubes in "B" CCW Heat Exchanger rupture.With no operator action, what is the expected system response? A. Surge tank Vent valve EG RV-009 goes closed.B. Surge tank Makeup Valve EG-LV002 receives a CLOSE signal.C. "B" and "D" pumps are running with no suction.D. Radwaste isolation valves EG-HV069A and EG-HV069B close.
C
If CCW cooling flow to at least one Safety Train is not possible, then alternate cooling is to be aligned to one train using __________________________________________. A. hoses from either: Fire Protection header, ESW A to pump room coolers header drain, or ESW B to CCW Heat Exchanger 1B drain.B. hoses from either: CVCS chiller service water return drain, ESW A to pump room coolers header drain, or RWST to CCW Heat Exchanger 1B drain.C. hoses from either: Central chiller service water return drain, CCP A to pump room coolers header drain, or ESW B to CCW Heat Exchanger 1B drain.D. hoses from either: CVCS chiller service water return drain, ESW A to pump room coolers header drain, or ESW B to CCW Heat Exchanger 1B drain.
D
The plant is operating at 100% power with Component Cooling Water pumps "C" and "D" supplying all system loads when a Safety Injection Signal (SI) is actuated.What effect does SI have on the the CCW System? A. CCW pumps "C" and "D" will be load shed, then the LOCA Sequencer will start all CCW pumps.B. CCW pumps "A" and "B" will automatically start.C. CCW pumps "C" and "D" will be load shed, then the LOCA sequencer will start CCW pumps "A" and "B".D. CCW pumps "C" and "D" will continue to run and supply system loads, CCW pumps "A" and "B" will not start.
D
At 50% power with only CCW pump A in service, both East and West Switchyard buses de-energize. After performing Immediate Actions the reactor operator notes CCW pumps A and D are running.What does this condition indicate? A. CCW pumps B and C were load shed.B. CCW pump B failed to start.C. CCW pumps actuated correctly.D. CCW pump C failed to start.
B
The plant is operating at full power with "B" CCW train supplying the Service Loop. A 200 gpm CCW leak occurs in Radwaste.Which of the following accurately describes the system response to the leak with no operator action? A. EG HV-69 and EG HV-70 will close to isolate CCW to Radwaste on Lo-Lo Surge Tank Level in "B" Surge Tank.B. EG HV-69 will close on Lo-Lo Surge Tank Level in "B" Surge Tank, EG HV-70 will stay open.C. EG HV-69 and EG HV-70 will close to isolate CCW to Radwaste on High Flow.D. EG HV-70 will close on Lo-Lo Surge Tank Level in "B" Surge Tank, EG HV-69 will stay open.
D
The unit is at 100% RTP. The following problems develop on 9/12. - At 1200, "A" CCW train is declared inoperable. - At 1600, "B" CCW train is declared inoperable.What action is required by Technical Specifications? A. Action must be initiated immediately to suspend all operations that could cause a reduction in RCS boron concentration.B. Be in Mode 3 by 2300 on 9/12.C. Restore "B" CCW train to OPERABLE by 1600 on 9/15.D. Be in Mode 3 by 1800 on 9/12.
B
The plant is in Mode 1, with Component Cooling Water Train "A" supplying the service loop. CCW Pump "B" is declared inoperable because of excessive seal leakage. The rest of the system is functioning normally.Which of the following is the correct action to take? A. Restore the inoperable pump to operable status within 72 hours, or enter Hot Standby within the next 6 hours.B. Immediately start CCW pump "D" and initiate repairs to the inoperable pump.C. No action is necessary as both CCW loop are operable with at least one pump in each train.D. Begin a power reduction to less than 50% rated thermal power and initiate repairs to inoperable pump.
C
The plant is operating with a normal Instrument Air system lineup, when a spurious signal isolates the Component Cooling Water (CCW) system service loop.What is the effect on the Instrument Air system? A. Compressors CKA01A and CKA01B will lose cooling.B. All compressors will lose cooling.C. None of the compressors will lose cooling.D. Compressors CKA01C will lose cooling.
C
What condition would cause a loss of Component Cooling Water (CCW) flow to the Reactor Coolant Drain Tank Heat Exchanger? A. SIS due to low steam line pressureB. High CCW Flow from ContainmentC. LOSP with a failure of EDG NE01D. CSAS due to Hi-3 Ctmt Pressure
D
1. With the help of several other plant systems, the CCW System provides operators a method of cooling the ________ and _______________, in order to achieve and maintain safe shutdown of the reactor.
reactor core; Reactor Coolant System
2. Which interlock is provided with the Centrifugal Charging Pump start circuit that affects the Component Cooling Water System?
Train dependent CCP start will cause a CCW pump in the related train to start and run.
3. To where does the CCW surge tanks vent?
Auxiliary Building atmosphere.
4. What is the cooling medium for the CCW heat exchangers?
Essential Service Water System.
5. Which two chemicals are added to the CCW System?
Sodium molybdates and sodium tolytriazole.
6. A licensed operator has been assigned to operate a CCW Containment isolation bypass valve handswitch. Who directs the dedicated operator to close the bypass valve at 27 psig in Containment?
Control Room Supervisor (Refer to OFN EG-004)
7. Recall three Radwaste Building loads serviced by the CCW System.
Any three. 1) Waste Gas Compressors, 2) Catalytic Hydrogen Recombiners, 3) Waste Evaporator, 4) Secondary Liquid Waste Evaporator, 5) Recycle Evaporator, and 6) Auxiliary Steam Radiation Monitor.
8. What must be done within 5 minutes if CCW flow is lost to Containment?
Secure the reactor coolant pumps.
9. What is the high flow setpoint associated with the individual reactor coolant pump thermal barrier?
50 gpm
10. What happens to the CCW heat exchanger bypass temperature control valve upon receipt of a Safety Injection Signal?
It closes.
11. Where does the reactor coolant pump CCW thermal barrier return line relief valves discharge?
Normal Containment sumps.
12. Which procedure provides guidance on when emergency makeup is required for the CCW System?
OFN EG-004, "CCW System Malfunctions".
13. What two buses provide power to the CCW pumps?
NB01 and NB02.
14. What is the applicability for Technical Specification 3.6.3?
Modes 1-4