PC, RK (Plant Computer, Plant Annunciator) Flashcards
Two Types of chimes are provided with the non-safety related portion of the plant annunciator system. A ____ type of chime sounds to indicate any alarm condition. A ___ type of a chime sounds to indicate any alarm condition returning to normal.
A. Tonal, intermittent
B. Repeating, ring back
C. Intermittent, ring back
D. Single stroke, repeating
B. Repeating, ring back
Train ‘B’ class 1E annunciator units are powered from ___. Backup supply ____ provided.
A. (1) PNB (2) is
B. (1) PNB (2) is not
C. (1) PKB (2) is
D. (1) PKB (2) is not
D. (1) PKB (2) is not
Under which of the following condition will the Reactor Trip ‘First Out’ annunciator panel indicate INACCURATELY?
A single parameter in an RPS channel is tripped and…
A. A different parameter on a second channel trips.
B. The identical parameter on a second channel trips.
C. Bypassed and a second channel’s identical parameter trips.
D. Bypassed and a different parameter on a same channel trips.
C. Bypassed and a second channel’s identical parameter trips.
Unit i3 has been manually tripped due to a loss of NKN-M45.
The turbine fails to trip, causing a SIAS, CIAS and MSIS.
The Control Operator manually trips the Main Generator Output Breakers per SPTAs.
Which one of the following describes the control board annunciators (RK) that are available to the operating crew?
A. None of the annunciators are available.
B. Approximately half of the annunciators are available.
C. All are available, powered from their normal source.
D. All are available, powered from their alternate source.
B. Approximately half of the annunciators are available.
If the Plant Computer fails (PC) the following will occur:
A. All alarm function will be disabled.
B. The CEAs could not be moved in Manual Sequential or Auto Sequential
C. A complete loss of COLSS
D. The reactor will trip
B. The CEAs could not be moved in Manual Sequential or Auto Sequential.
PMS points in a normal status display are which color?
A. Green
B. Yellow
C. White
D. Cyan
D. Cyan
The normal power supply for the plant computer is from NQN-D01, normally supplied by:
A. NKN-M45
B. NHN-M08
C. NHN-M72
D. NNN-D16
A. NKN-M45
Which of the following systems does NOT have components with annunciator units powered by PK, clas 125 VDC?
A. CVCS, Chemical Volume and Control System
B. RC, Reactor Coolant System
C. SI, Safety Injection System
D. NC, Nuclear Cooling Water
A. CVCS, Chemical Volume and Control System
Rank the Following RK window colors by increasing importance.
- White
- Green
- Red
- Amber
A. 1, 2, 3, 4
B. 3, 2, 4, 1
C. 1, 4, 2, 3
D. 4, 1, 2, 3
C. 1, 4, 2, 3
Which of the following RK buttons changes a slow flashing window to off after an alarm condition has cleared?
A. Alarm Acknowledge
B. Flasher Reset
C. Lamp Reset
D. Test
C. Lamp Reset
Two system logic cabinets (RKN-C01 and C02) each having 4 baths are located in the control are behind control panel B05. These cabinets are normally powered from ____ and are provided with a backup power supply from ____.
A. NKN-M46; NNN-D15 or NNN-D16
B. NKN-M43; NNN-D15 or NNN-D16
C. NNN-D15 or NNN-D16; NKN-D43
D. NNN-D43; NNN-D11 or NNN-D12
B. NKN-M43; NNN-D15 or NNN-D16
Unit 1 is operating at 100% power when the following 3 alarm windows annunciate. (Refer to the attached picture of Annunciator Window Box 6B)
The highest priority colored window is the…
A. Green window. The Main Turbine should have tripped and immediate operator action is required.
B. Amber window. The Main Turbine should have tripped and immediate operator action is required.
C. Green window. The Main Turbine will trip if Stator Cooling Water flow is not restored within 70 seconds.
D. Amber window. The Main Turbine will trip if Stator Cooling Water flow is not restored within 70 seconds.
C. Green window. The Main Turbine will trip if Stator Cooling Water flow is not restored within 70 seconds
