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Test 4 > CDFW > Flashcards

CDFW Flashcards

1
Q

The Main Condenser, Condensate, and Feedwater System provides for recovery and
preheating condensed steam for:
A. Feedwater Purity Demineralizer regeneration.
B. Back-washing the Carbon and Anthracite Filters.
C. Reuse as Steam Generator Feedwater.
D. Condensate Storage Tank T-2 temperature control.

A

C. Reuse as Steam Generator Feedwater.

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2
Q

The plant is at 50% power during a startup with both Condensate Pumps operating. A
ground fault de-energizes 4160V Bus 1B. Assuming no Operator action, what is the
status of the Condensate Pumps?
A. Condensate Pump P-2A IS Operating, Condensate Pump P-2B IS NOT Operating.
B. Condensate Pump P-2A IS Operating, Condensate Pump P-2B IS Operating.
C. Condensate Pump P-2A IS NOT Operating, Condensate Pump P-2B IS NOT
Operating.
D. Condensate Pump P-2A IS NOT Operating, Condensate Pump P-2B IS Operating.

A

A. Condensate Pump P-2A IS Operating, Condensate Pump P-2B IS NOT Operating.

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3
Q

Given the following conditions:
• The plant is operating at 45% power during a power ascension.
• “A” Feedwater Pump is operating in AUTO
• “B” Feedwater Pump is being placed in service.
• “B” Feedwater Pump Turbine Speed Controller HIC-0529 is in Manual.
• The operator notices the green “PF” light is flashing on HIC-0529.
Which ONE of the following describes the significance of the flashing green light?
A. The controller demand signal has exceeded a predetermined setpoint.
B. The controller has a low battery voltage condition.
C. The controller demand signal is between 3250 rpm and 5250 rpm.
D. The controller demand signal is matched with the master speed controller signal.

A

D. The controller demand signal is matched with the master speed controller signal.

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4
Q

The plant is operating at 100% power when the 2A and 28 Condensate Pumps trip. As
a result, both Main Feedwater (MFW) Pumps trip.
Which ONE of the following caused the MFW pumps to trip?
A. Interlock with Condensate Pump breakers.
B. Overspeed of MFW pump turbines.
C. Excessive vibration of MFW pumps.
D. Reduction in MFW pump suction pressure.

A

D. Reduction in MFW pump suction pressure.

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5
Q

Given the following conditions:
• The plant is at 10% power.
• ‘A’ Main Feed Pump is operating.
• ‘B’ Main Feed Pump is on the turning gear and sealed.
• The Low Pressure Trip and Throttle Valve for ‘B’ Main Feed Pump is inadvertently
opened.
Which one of the following identifies the position of CV-0711, ‘A’ Feed Pump Discharge
Recirc Valve, and CV-0710, ‘B’ Feed Pump Discharge Recirc Valve?
CV-0711 CV-0710
A. o o
B. o c
C. c o
D. c c

A

A. o o

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6
Q

Given the following conditions:
The Plant is at 30% power during a power escalation.
BOTH Condensate Pumps are in service.
ONE Main Feedwater Pump is in service.
One of the operating Condensate Pumps trips.
Which of the following describes the impact on the Condensate System Recirculation
Valve (CV-0730), and what must the operator do?
CV-0730 will throttle in the ‘”
A. OPEN direction and direct more flow to feedwater trains. Monitor Heater Drain
Pumps for normal operation.
B. OPEN direction and direct more flow to the Main Condenser Hotwell. Align
alternate Gland Seal Exhauster to maintain vacuum.
C. CLOSED direction and direct more flow to feedwater trains. Monitor Heater Drain
Pumps for normal operation.
D. CLOSED direction and direct more flow to the Main Condenser Hotwell. Align
alternate cooling to Air Ejector Condenser to maintain vacuum.

A

C. CLOSED direction and direct more flow to feedwater trains. Monitor Heater Drain
Pumps for normal operation.

Since the valve is designed to maintain -5800 gpm through the system, and that flow has been significantly reduced due to the pump trip, CV-0730 will actually CLOSE and attempt to maintain 5800 gpm.

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7
Q

Which of the following describes the operation and purpose of the Main Feed
Regulating Bypass Valve “auto closure on low S/G pressure” key switch?
A. “ENABLE” allows an operator to open the bypass valve on a low S/G pressure to
allow feeding the steam generators with the condensate pumps.
B. “DEFEAT” allows an operator to open the bypass valve on a low S/G pressure to
allow feeding the steam generators with the condensate pumps.
C. “DEFEAT” ensures that the valve is closed on a low S/G pressure.
D. “ENABLE” ensures that the valve is open on a low S/G pressure.

A

B. “DEFEAT” allows an operator to open the bypass valve on a low S/G pressure to
allow feeding the steam generators with the condensate pumps.

DEFEAT means to defeat the auto closure on low S/G pressure.
These valves would be need open if feeding with Condensate Pumps.

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8
Q

Which of the following conditions will result in a trip of the Turbine Driven Main
Feedwater pump?
A. Bearing oil pressure of 11 psig
B. Feed pump speed of 5445 rpm
C. Governor oil pressure of 23 psig
D. Feed pump suction of 260 psig for 4 seconds

A

C. Governor oil pressure of 23 psig

a. Incorrect, setpoint is less than 9 psig
b. Incorrect, setpoint is 5500 rpm +- 50 rpm
c. Correct, setpoint is less than 25 psig
d. Incorrect setpoint is less than 250 psig for at least 3 seconds.
Monday,

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9
Q 
Select the MAXIMUM suction pressure at which a Main Feedwater Pump will automatically trip.
A. 345 psia.
B. 305 psia.
C. 245 psia.
D. 205 psia.
A

C. 245 psia.

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10
Q

With the hot well level at 62% level and slowly lowering, which of the following valves
would you expect to be open? (assume no operator actions)
A. CV-0732 Hotwell Makeup Valve
B. CV-0729, Hotwell Makeup Valve
C. CV-0733 Emergency Makeup Valve
D. CV-0731 Condensate Reject Valve

A

A. CV-0732 Hotwell Makeup Valve

a. Correct opens up at 66% lowering
b. Incorrect, manual valve
c. Incorrect opens up at 58% lowering
d. Incorrect opens up at 78% raising

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11
Q

The plant is operating at 85% power when a Main Feed Water Pump trips. Which one
of the following is a consequence of this? (assume no operator action)
A. Overcooling of the PCS.
B. ASI control difficulties.
C. Iodine spiking.
D. Automatic low SG level trip.

A

D. Automatic low SG level trip.

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12
Q

Given the following conditions:
Plant tripped from 100% power 15 minutes ago due to a loss of offsite power
All EOP-1.0 SPTAs Immediate and Operator Actions have been completed
All Auxiliary Feedwater (AFW) has been lost and cannot be restored
Which of the following methods should be used to recover the PCS Heat Removal
Safety Function?
A. Establish feedwater flow to the S/Gs using Condensate pumps.
B. Establish HPSI flow to the cold legs for once through core cooling.
C. Re-establish Main Feedwater flow to the S/Gs.
D. Establish LPSI flow to the cold legs for once through core cooling.

A

B. Establish HPSI flow to the cold legs for once through core cooling.

MSIVs closed by EOP 1.0 if no Cooling Tower Pump operating; MFW not available due
to MSIVs closed and lack of Cooling Tower Pumps; No power avail to Condensate
Pumps; HPSI is normal source to drive OTC.

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13
Q

Given the following:
• Plant is at 50% power
• MFW Pump and Valve controllers are in AUTO
• Both S/G levels are stable at 65%
LIA-0702, “A’ S/G Level, then fails high
Which of the following describes the expected plant response?
A. No impact, alarms only
B. Reactor trip on low S/G level
C. Reactor trip on high S/G level
D. ‘A’ S/G level oscillates between 60% to 80%

A

B. Reactor trip on low S/G level

LIA-0702 causes a sealed-in high level override signal which closes ‘A’ S/G MFRV: this will
eventually cause trip on low level.

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14
Q

Given the following conditions:
• The plant is operating at 100% power.
• NO operator actions are in progress.
• Main generator output has lowered from 815 Mwe to 805 Mwe.
• Condenser vacuum has lowered from 27.5 inches hg to 26 inches hg.
• Condenser offgas flow is stable at 2 cfm.
What is the most likely cause of the lower main generator output and condenser
vacuum?
A. Condenser air inleakage increase.
B. Condensate depression increase.
C. Circulating Water temperature increase.
D. Condenser tube leak.

A

C. Circulating Water temperature increase.

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15
Q

Given the following conditions:
• The plant is operating at 55% power.
• Main Feedwater Pumps P-1A and P-1B are in service.
• Condensate Pumps P-2A and P-2B are in service.
• Heater Drain Pumps P-10A and P-10B are in service.
Assuming NO operator action, which of the following is most likely to lead to an
automatic Reactor Trip?
A. Heater Drain Pump P-1OAtrip.
B. Condenser Hotwell level lowering to 5%.
C. Main Feedwater Pump Recirculation Valve CV-0711 failing open.
D. Main Feed Pump P-1A trip.

A

B. Condenser Hotwell level lowering to 5%.

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16
Q

The plant is operating at 100% power when BOTH Condensate Pumps P-2A and P-2B
unexpectedly trip.
What is the resulting effect on the Main Feedwater (MFW) Pumps?
A. They trip due to a reduction in MFW pump suction pressure.
B. They trip due to overspeeding of the MFW pump turbines.
C. MFW pumps will experience excessive vibration due to cavitation at the pump suction.
D. MFW pump turbines ramp down to minimum speed to prevent overfeeding Steam Generators.

A

A. They trip due to a reduction in MFW pump suction pressure.

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17
Q

The plant is operating at 100% power when Condensate Pump P-2A trips.
What is the resulting effect on the Main Feedwater (MFW) Pumps?
A. They trip due to a reduction in MFW pump suction pressure.
B. They trip due to over-speeding of the MFW pump turbines.
C. They will experience excessive vibration due to cavitation at the pump suction.
D. The pump turbines ramp down to minimum speed to prevent overfeeding Steam
Generators.

A

A. They trip due to a reduction in MFW pump suction pressure.

At full power, even one condensate pump tripping would cause such a severe reduction in MFW
Pump suction pressure that BOTH MFW pps would trip on low suction pressure.

18
Q

The plant is operating at 100% power when BOTH Condensate Pumps P-2A and P-2B
unexpectedly trip.
What is the resulting effect on the Main Feedwater (MFW) Pumps?
A. They trip due to a reduction in MFW pump suction pressure.
B. They trip due to overspeeding of the MFW pump turbines.
C. MFW pumps will experience excessive vibration due to cavitation at the pump
suction.
D. MFW pump turbines ramp down to minimum speed to prevent overfeeding Steam
Generators.

A

A. They trip due to a reduction in MFW pump suction pressure.

At full power, even one condensate pump tripping would cause such a severe reduction in MFW Pump suction pressure, that a both MFW
pps would trip on low suction.

19
Q

Given the following:
• Plant is a 45% power
• ‘B’ Main Feedwater (MFW) Pump is in-service
• ‘A’ MFW Pump is being prepared to be placed in-service
• All MFW Pump and MFW Regulating Valve controls are in MANUAL
Which of the following describes the affect on ‘A’ MFW Pump speed if the output ofHIC-0526,
‘A’ MFW Pump Speed Controller, is set to maximum when the AO opens the high pressure
T&T valves?
A. Speed rises to 3250 rpm and stabilizes
B. Speed rises to 4500 rpm and stabilizes
C. Speed rises and the MFW Pump trips on overspeed
D. Speed rises to 5250 rpm and stabilizes

A

D. Speed rises to 5250 rpm and stabilizes

20
Q

The plant is operating at 50% power.
Condensate Pumps were started from the Control Room.
Annunciator EK-0155, “CONDENSATE PUMP TRIP”, annunciates.
Which of the following Control Room indication(s) validate the alarm?
P-2A Control Switch Indications (green lamp / switch flag / red lamp)
P-2B Control Switch Indications (green lamp / switch flag / red lamp)

A. 
off red on
off red on
B. 
off red on
on green off
C. 
on red off
off red on
D. 
on green off
on green off
A

C.
on red off
off red on

21
Q

Given the following conditions:
• The plant is operating at 100% power.
• Due to a leak, Feedwater Heater E-6A must be bypassed and isolated for repairs.
Which of the following actions must be taken prior to bypassing and isolating the
heater?
A. Lower power to less than 97% to prevent exceeding reactor thermal power limits.
B. Lower power to less than 97% to prevent exceeding turbine backpressure limits.
C. Lower load to less than 600 MWe to prevent exceeding turbine backpressure limits.
D. Lower load to less than 600 MWe to prevent exceeding lower feedwater
temperature limits.

A

A. Lower power to less than 97% to prevent exceeding reactor thermal power limits.

22
Q

Given the following conditions:
• The plant is operating at 100% power.
• Feedwater Heater E-6A Outlet Temperature Transmitter TT-0706A failed low at
0900 hours.
• After investigation, I&C has determined that the transmitter must be replaced and
that the replacement will require approximately two weeks to arrive on site.
Alternate means of temperature monitoring must be provided within:
A. 12 hours.
B. 24 hours.
C. 48 hours.
D. 72 hours.

A

B. 24 hours.

23
Q

The plant is at 20% power following a refueling outage when the following occurs:
• Both Main Feedwater temperature instruments become inoperable
Which of the following describes the Operating Requirements Manual (aRM) actions?
A. Provide alternate means of temperature monitoring within 72 hours
B. Convene a PRC to determine to determine compensatory measures
C. No actions needed since plant is less than 25% power
D. Provide alternate means of temperature monitoring within 48 hours

A

B. Convene a PRC to determine to determine compensatory measures

Since there is no action provided in ORM 3.17.6 for both MFW temp instruments being inoperable, then ORM Spec 3.0.3 applies Monday,

24
Q

(SRO Only) Given the following conditions:
• The plant is operating at 100% power.
• Feedwater Heater E-6A Outlet Temperature Transmitter TT-0706A failed low at 0900 hours.
• After investigation, I&C has determined that the transmitter must be replaced and
that the replacement will require approximately two weeks to arrive on site.
Which ONE of the following describes the action(s), if any, that must be taken?
A. Provide alternate means of temperature monitoring by 0900 hours tomorrow for
performing the required calorimetric calculations.
B. Provide alternate means of temperature monitoring within 7 days for performing the
required calorimetric calculations.
C. None. Feedwater Heater E-6B Outlet Temperature Transmitter TT-0708A is
adequate for performing the required calorimetric calculations.
D. None. The calorimetric calculation requirements may be waived for up to 30 days.

A

A. Provide alternate means of temperature monitoring by 0900 hours tomorrow for
performing the required calorimetric calculations.

25
Q

The plant is operating at 10% power during a startup with the following conditions:
• Demineralized Water Tank T-939 is isolated due to high sodium contamination.
• Condensate Storage Tank T-2 level is 70%.
• The secondary side Auxiliary Operator reports a large unisoble leak on Primary
Makeup Storage Tank T-81 at the tank outlet pipe penetration upstream of
DMW-143.
• Primary Makeup Storage Tank T-81 level is at 20% and lowering.
Which ONE of the following describes the action(s), if any, that must be taken?
A. No action required. The condensate volume is within the required limit.
B. Verify Operability of backup water supplies within 2 hours and restore condensate
volume to within limit in 30 hours.
C. Verify Operability of backup water supplies within 4 hours and restore condensate
volume to within limit in 7 days.
D. Verify Operability of backup water supplies within 8 hours and restore condensate
volume to within limit in 7 days.

A

C. Verify Operability of backup water supplies within 4 hours and restore condensate
volume to within limit in 7 days.

26
Q

(SRO Only) Given the following conditions:
• The plant is operating at 100% power.
• Main Feedwater Regulating Valve Bypass Valve CV-0735 failed open and could not
be closed from the Control Room.
• The Shift Manager directed the manual isolation valves closed to comply with
Technical Specifications.
What additional action(s), if any, should are required by Technical Specifications?
A. None. The valve is performing its safety function when it is isolated.
B. Repair the valve within 24 hours or shutdown and cooldown to Mode 4 to ensure
the steam generator energy is less than that assumed in the accident analysis.
C. Immediately shutdown and cooldown to Mode 4 to ensure the steam generator
energy is less than that assumed in the accident analysis.
D. Close and de-activate the valve, and unisolate Main Feedwater Regulating Valve
Bypass Valve CV-0734 to ensure it is capable of performing its safety function.

A

A. None. The valve is performing its safety function when it is isolated.

27
Q

Per Technical Specification 3.7.6, “Condensate Storage and Supply”, the Condensate
Storage Tank (T-2) and the Primary Makeup Storage Tank (T-81) are required to
contain a minimum inventory for applicable plant modes. The BASIS for this
requirement is to provide enough cooling water to remove decay heat for at least …
A. 4 hours following a Reactor trip from 100% Rated Thermal Power.
B. 8 hours following a Reactor trip from 100% Rated Thermal Power.
C. 4 hours following a Reactor trip from 105% Rated Thermal Power.
D. 8 hours following a Reactor trip from 102% Rated Thermal Power.

A

D. 8 hours following a Reactor trip from 102% Rated Thermal Power.

28
Q

Which of the following describes the Technical Specification LCO 3.7.3 Bases for Main Feed
Regulating Valves (MFRV) and MFRV Bypass Valves auto closure?
A. Failure to close was analyzed as part of the original licensing bases of the plant
B. Closure is assumed in the MSLB containment response analysis
C. Failure of one valve to close results in unacceptable consequences
D. Closure is assumed in the LOCA and MSLB containment response analysis

A

B. Closure is assumed in the MSLB containment response analysis

29
Q

Given the following initial plant conditions:
PCS is at 100% power
One PZR code safety valve fails open
No operator actions are taken
Which ONE of the following describes the response of the Main Feedwater (MFW)
Pumps to these conditions?
Both MFW Pumps …
A. ramp down to minimum speed when Containment pressure rises to 3.0 psig.
B. ramp down to minimum speed when PZR pressure lowers to 1750 psia.
C. trip immediately.
D. trip when PZR pressure lowers to 1605 psia.

A

B. ramp down to minimum speed when PZR pressure lowers to 1750 psia.

Reactor trip (occurring at Pmin) results in normal system response (ramp down).

30
Q

Given the following conditions:
• The plant is operating at 100% power.
• Feedwater Heater E-6A Outlet Temperature Transmitter TT-0706A failed low at
0900 hours.
• After investigation, I&C has determined that the transmitter must be replaced and
that the replacement will require approximately two weeks to arrive on site.
Alternate means of temperature monitoring must be provided within:
A. 12 hours.
B. 24 hours.
C. 48 hours.
D. 72 hours.

A

B. 24 hours

31
Q

Which of the following conditions will result in a trip of the Turbine Driven Main
Feedwater pump?
A. Searing oil pressure of 11 psig
B. Feed pump speed of 5445 rpm
C. Governor oil pressure of 23 psig
D. Feed pump suction of 260 psig for 4 seconds

A

C. Governor oil pressure of 23 psig

32
Q

With the hot well level at 62% level and slowly lowering, which of the following valves
would you expect to be open? (assume no operator actions)
A. CV-0732 Hotwell 3” Makeup From CST-2 Valve
B. CV-0729, Hotwell 6” Makeup From CST-2 Valve
C. CV-0733 Hotwell 12” Makeup Valve
D. CV-0731 Condensate Reject To CST-2 Valve

A

A. CV-0732 Hotwell 3” Makeup From CST-2 Valve

33
Q

Given the following:
• Plant is at 50% power
• MFW Pump and Valve controllers are in AUTO
• Both S/G levels are stable at 65%
LIA-0702, “A’ S/G Level, then fails high
Which of the following describes the expected plant response?
A. No impact, alarms only
B. Reactor trip on low S/G level
C. Reactor trip on high S/G level
D. ‘A’ S/G level oscillates between 60% to 80%

A

B. Reactor trip on low S/G level

34
Q

Given the following:
Plant is at 45% power
‘B’ Main Feedwater (MFW) Pump is in-service
‘A’ MFW Pump is being prepared to be placed in-service
All MFW Pump and MFW Regulating Valve controls are in MANUAL
Which of the following describes the affect on ‘A’ MFW Pump speed if the output of HIC-0526,
‘A’ MFW Pump Speed Controller, is set to maximum when the AO opens the high pressure
T&T valves?
A. Speed rises to 3250 rpm and stabilizes
B. Speed rises to 4500 rpm and stabilizes
C. Speed rises and the MFW Pump trips on overspeed
D. Speed rises to 5250 rpm and stabilizes

A

D. Speed rises to 5250 rpm and stabilizes

35
Q

Which of the following describes the Technical Specification LCO 3.7.3 Bases for Main Feed
Regulating Valves (MFRV) and MFRV Bypass Valves auto closure?
A. Failure to close was analyzed as part of the original licensing bases of the plant
B. Closure is assumed in the MSLB containment response analysis
C. Failure of one valve to close results in unacceptable consequences
D. Closure is assumed in the LOCA and MSLB containment response analysis.

A

D. Closure is assumed in the LOCA and MSLB containment response analysis.

36
Q

The plant is at 50% power during a startup with both Condensate Pumps operating. A
ground fault de-energizes 4160V Bus 1B. Assuming no Operator action, what is the
status of the Condensate Pumps?
A. Condensate Pump P-2A IS Operating, Condensate Pump P-2B IS NOT Operating.
B. Condensate Pump P-2A IS Operating, Condensate Pump P-2B IS Operating.
C. Condensate Pump P-2A IS NOT Operating, Condensate Pump P-2B IS NOT
Operating.
D. Condensate Pump P-2A IS NOT Operating, Condensate Pump P-2B IS Operating.

A

A. Condensate Pump P-2A IS Operating, Condensate Pump P-2B IS NOT Operating.

37
Q

Given the following conditions:
• The plant is operating at 45% power during a power ascension.
• “A” Feedwater Pump is operating in AUTO
• “B” Feedwater Pump is being placed in service.
• “B” Feedwater Pump Turbine Speed Controller HIC-0529 is in Manual.
• The operator notices the green “PF” light is flashing on HIC-0529.
Which ONE of the following describes the significance of the flashing green light?
A. The controller demand signal has exceeded a predetermined setpoint.
B. The controller has a low battery voltage condition.
C. The controller demand signal is between 3250 rpm and 5250 rpm.
D. The controller demand signal is matched with the master speed controller signal.

A

D. The controller demand signal is matched with the master speed controller signal.

38
Q

The plant is operating at 85% power when a Main Feed Water Pump trips. Which one
of the following is a consequence of this? (assume no operator action)
A. Overcooling of the PCS.
B. ASI control difficulties.
C. Iodine spiking.
D. Automatic low SG level trip.

A

D. Automatic low SG level trip.

39
Q

Given the fol/owing conditions:
• The plant is operating at 100% power.
• Due to a leak, Feedwater Heater E-6A must be bypassed and isolated for repairs.
Which of the fol/owing actions must be taken prior to bypassing and isolating the
heater?
A. Lower power to less than 97% to prevent exceeding reactor thermal power limits.
B. Lower power to less than 97% to prevent exceeding turbine backpressure limits.
C. Lower load to less than 600 MWe to prevent exceeding turbine backpressure limits.
D. Lower load to less than 600 MWe to prevent exceeding lower feedwater
temperature limits.

A

A. Lower power to less than 97% to prevent exceeding reactor thermal power limits.

40
Q

Given the following conditions:
• The plant is operating at 100% power.
• Feedwater Heater E-6A Outlet Temperature Transmitter TT-0706A failed low at
0900 hours.
• After investigation, I&C has determined that the transmitter must be replaced and
that the replacement will require approximately two weeks to arrive on site.
Alternate means of temperature monitoring must be provided within:
A. 12 hours.
B. 24 hours.
C. 48 hours.
D. 72 hours.

A

B. 24 hours.

41
Q

(SRO ONLY) Following a Reactor Trip coincident with a Loss of Offsite Power, the
combined usable volume of the Condensate Storage Tank (T-2) and Primary Makeup
Storage Tank (T-81) shall be greater than or equal to 100,000 gallons.
The basis for this is to provide the inventory to facilitate:
A. two AFW pumps to operate 16 hours.
B. two AFW pumps to operate 8 hours.
C. one AFW pump to operate 16 hours.
D. one AFW pump to operate 8 hours.

A

D. one AFW pump to operate 8 hours.

Test 4 (7 decks)

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