LaSalle RO Quiz - ILTandMe

#1. Unit 1 was at 100% power with RR FCV matched at 90% open indication when agenerator lockout occurred. The Unit scrammed with all rods inserted EHC Bypass valves failed to respond on turbine trip HPCS and RCIC actuated to restore reactor level Reactor level is being controlled per level band of LGA-001 at 20-50 inches NO other operator action has been takenWhat is the status of Reactor Recirculation?

A. Both pumps tripped to zero speedBoth FCV at 90% position

B. Both pumps operating In slow speedBoth FCV at 90% position

C. Both pumps tripped to zero speedBoth FCV at minimum position

D. Both pumps operating in slow speedBoth FCV at minimum position

#2. Unit 2 was operating at 100 percent RTP when a seam on the Unit 2 Main Turbine CondenserHotwell split open. Hotwell level is now rapidly decreasing. Condenser vacuum is approachingatmospheric pressure. Assuming no operator actions; which of the following describes theimpact this will have on the Control Rod Drive (CRD) System?

a. This event will NOT impact the CRD system.

b. The running CRD pump will trip on low suction pressure as the hotwell empties.

c. CRD pump discharge pressure will decrease as hotwell level decreases; but will recover when the CRD’s pump suction source transfers to the CST.

d. CRD system flow will increase when the reactor scrams. The running CRD pump will trip on low suction pressure when the CST empties.

#3. The plant is operating at rated power. Which one of the following statements describes the operation of the CRD Drive Water Pressure Control Valve (PCV)? (1) the CRD Drive Water PCV will cause (2) water pressure to lower.

A. (1) Opening; (2) Cooling

B. (1) Opening; (2) Drive

C. (1) Closing; (2) Drive

D. (1) Closing; (2) Charging

#4. Automatic fire suppression is delayed from activation in the DG rooms to…

a. allow the fire brigade time to extinguish the fire without having to secure the DG.

b. allow personnel in the DG room time to exit prior to activation.

c. ensure that a signal spike would not cause unneeded loss of the DG.

d. ensure that a signal spike would not cause unneeded activation.

#5. The panel 1H13-P601-E alarms are as shown. Annunciator 1H13-P601-E105 just alarmed. Which of the following identifies the status of annunciators 1H13-P601-E202 and 1H13-P601-E203 in 12 minutes if plant parameters remains stable

A. 1H13-P601-E202 will be LIT ONLY

B. 1H13-P601-E203 will be LIT ONLY

C. BOTH 1H13-P601-E202 AND 1H13-P601-E203 will be LIT

D. BOTH 1H13-P601-E202 AND 1H13-P601-E203 will be EXTINGUISHED

#6. Which of the following identifies the design features associated with the approximately 10inch long space between the top of the stacked fuel pellets and the top of the fuel rod?The described space . . .1. provides an expansion space for axial pellet swelling2. provides an expansion space for pressure build-up from fission gases such asXenon3. houses a stainless steel spring which provides a compressive load on the fuelpellets

a. 1; 2; AND 3.

b. 1 AND 2 ONLY.

c. 2 AND 3 ONLY.

d. 1 AND 3 ONLY.

#7. The Unit Supervisor has directed performance of LGA-NB-01; ” Venting CRD Withdrawal Line” . In order to perform this task ; the non-licensed operator will need a tygon hose; CRD vent valve wrenches ; a crescent wrench and straps. Tools and equipment required to perform this task are located in the…

A. Control Room LGA File Cabinet.

B. Reactor Building Supply Cabinet; 761 Reactor Building.

C. LGA Support Cabinet; 768 Turbine Building.

D. Main LGA Support Locker outside Unit 2 Aux. Electric Equip. room; 731 Aux. Building.

#8. Unit 1 has experienced a LOCA. LGA-004 has been performed based on the Pressure Suppression Pressure limit being exceeded. Containment Pressure is at 52 psig and increasing. LGA-VQ-02; Emergency Containment Vent has been directed. Actions during the performance of this procedure should include &

A. shutdown of the Control Room Ventilation System.

B. shutdown of the Control Room Emergency Makeup train.

C. evacuation of the Reactor Building; Auxiliary Building; and Turbine Building in Unit 1 ONLY.

D. evacuation of the Reactor Building; Auxiliary Building; and Turbine Building in Unit 1 AND Unit 2.

#9. Which of the following describes the expected change in skimmer surge tank level if the first fuel pool cooling pump is started with the discharge valve full open AND the wier gate set at its highest position? Skimmer surge tank level …

a. increases until the tank overflows.

b. increases and then returns to the level that existed prior to starting the pump.

c. decreases and then increases to the level that existed prior to starting the pump.

d. decreases until the pump trips on low suction pressure.

#10. Which one of the following combinations of U-1 Control Room HVAC (VC) Air Intake Monitoring System detectors with an upscale high trip will close the VC outside air damper and start the VC emergency makeup train?

A. 1D18-K751A and 1D18-K751C

B. 1D18-K751A and 1D18-K751B

C. 1D18-K751B and 1D18-K751C

D. 1D18-K751B and 1D18-K751D

#11. The ‘0’ Diesel Generator is paralleled to the SAT and Bus 141Y and loaded as follows: – 1;000 KW – 200 KVARS Assuming the load on the system was constant; how would Real load (KW) and Reactive load (KVARS) be expected to respond if the ‘0’ Diesel Generator Voltage control switch was momentarily placed in the ‘Raise’ position? Real Load (KW) Reactive load (KVARS)

a. Increase Increase

b. Increase Decrease

c. Remain approximately the same Increase

d. Remain approximately the same Decrease

#12. A fire in the 1B Diesel Generator room has resulted in an automatic initiation of the CO2 Flooding System. The CO2 system has NOT been reset; and the fire re-flashes. Which of the following describes the actions and/or conditions required to re-actuate the system? The CO2 system activation& .

A. will occur automatically once the detectors reach their setpoint for initiation again.

B. can be performed via the Local Initiation Pushbutton in the Diesel Generator corridor.

C. will only occur if the detectors are reset AND temperatures reach initiation setpoint.

D. can only be performed manually; via the local manual lever from the control panel in the Diesel Generator Corridor; AND will automatically terminate after 15 seconds.

#13. Unit 2 was operating at power when a transient caused the reactor steam dome pressure toincrease to 1150 psig. Two of the ATWS trip units for Division 2 reactor pressure failed toinitiate.Under these circumstances; the recirculation pumps will ___(1)_ and the ARI system_(2)___.

a. (1) trip; (2) will initiate automatically

b. (1) trip; (2) must be manually initiated

c. (1) remain in fast speed; (2) will initiate automatically

d. (1) remain in fast speed; (2) must be manually initiated

#14. During an ATWS; the NSO started the 1A Standby Liquid Control (SBLC) systemper the Scram Hardcard and verified proper operation of SBLC. After pumping 1000 gallons of boron solution; Bus 141Y tripped on overcurrent.Which one of the following actions should the NSO take; and why?

A. Verify both SBLC system handswitches are in STOP per LGA-010; Failure to Scrambecause cold shutdown boron has injected.

B. Inject boron using 1B SBLC system per LGA-SC-101; Initiation of Standby Liquid Control;because the 1A SBLC pump is lost.

C. Insert rods per LGA-NB-01; Alternate Rod Insertion; because neither SBLC system isavailable.

D. Lineup and inject boron per LGA-RT-103; Alternate Boron Injection Using RWCU; becauseneither SBLC system is available.

#15. Excess control room intake radiation levels will …

a. automatically places the EMU train AND the charcoal filter in service to maintain control room habitability.

b. automatically places the EMU train in service and require the operator to manually place the charcoal filter in service to maintain control room habitability.

c. automatically places the charcoal filter in service and require the operator to manually place EMU train in service to maintain control room habitability.

d. require the operator to manually place the EMU train AND charcoal filter in service to maintain control room habitability.

#16. The following indications are present following a loss of 112Y. 1) Are these indications expected? 2) If the 1WR179/180 DW Equip RBCCW InIt/Otlt Inbd Isols Bypass Keylock Switch is taken to BYPASS and the 1WR179/180 Control Switch is taken to OPEN the valves will?

A. (1) No(2) Open

B. (1) No(2) Remain Closed

C. (1) Yes(2) Open

D. (1) Yes(2) Remain Closed

#17. With U-1 at 100% power:Which of the following describes the effect of a loss of 125 VDC Bus 111 X?

A. Reactor Water Level Control “C” Narrow range level indication will be lost.

B. 1A Diesel Generator field flashing source is lost.

C. 1A TDRFP has lost remote tripping capability.

D. MDRFP has lost auto start capability.

#18. Unit 2 is in STARTUP with the following conditions: It has been 24 hours following a scram from an extended full-power run. Reactor temperature is 138F. Source range counts have been allowed to stabilize at 30;000 cps while the second verifier checks rod positions. You notice that source range counts begin to SLOWLY increase above 30;000 cps. The increasing counts are …

a. Expected; the startup should continue.

b. Expected; rod withdrawal is prohibited until count rate stabilizes.

c. Unexpected; rods should be inserted to stabilize the count rate.

d. Unexpected; Shift Manager permission is required to continue the startup.

#19. Unit 1 was operating at rated power: The reactor SCRAMMED coincident with a loss of all offsite power. All AC sources supplying the station batteries are lost. With the system operating as designed and no action taken per LOA-AP-101 to shed DC loads; the discharge rate of the station batteries is such that essential DC loads will be supplied at adequate voltage for a MAXIMUM of ______ hour(s).

A. THREE

B. FOUR

C. EIGHT

D. TWENTY-FOUR

#20. The Off-Gas system was in operation with flow bypassing the charcoal adsorber trains(Charcoal Adsorber Train mode switch was in AUTO). Power was subsequently lost to24/48 VDC Distribution Panel 1A. The Off-Gas system flow-path will . . .

a. isolate.

b. remain as is.

c. realign with flow through both the charcoal adsorber trains and the bypass line.

d. realign with flow through the charcoal adsorber trains with the bypass line isolated.

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