Main Steam Flashcards
Unit 1 is at 100% power with all systems in a normal lineup.
Power is lost to PKA-M41.
How many ADVs can be operated from the control room?
A. 0
B. 1
C. 2
D. 4
C
Unit 2 is at 100% power with all systems in a normal lineup.
Power is lost to PNB-D26.
How many ADVs can be operated from the control room?
A. 0
B. 1
C. 2
D. 4
C
Unit 1 is at 100% power with all systems in a normal lineup.
Power is lost to PND-D28.
How many ADVs can be operated from the control room?
A. 0
B. 1
C. 2
D. 4
D
Unit 3 is at 100% power with all systems in a normal lineup.
Power is lost to PKD-M44.
How many ADVs can be operated from the control room?
A. 0
B. 1
C. 2
D. 4
C
Unit 2 is at 100% power with all systems in a normal lineup.
Power is lost to PKA-M41.
With no operator action, ‘A’ train Economizer Isolation valves are ___(1)___, and ‘A’ train Downcomer Isolation valves are ___(2)___.
A. (1) open; (2) open
B. (1) open; (2) closed
C. (1) closed; (2) open
D. (1) closed; (2) closed
A
Which of the following does NOT close on a MSIS?
A. Steam Generator Sample valves
B. AFW pump ‘A’ steam admission valves
C. MSIV bypass valves
D. Chemical Injection Isolation valves SGB-HV-200 & 201
B
Which ESFAS signals will close Main Steam System Chemical Injection Isolation valves SGB-HV-200 and SGB-HV-201? A. SIAS & MSIS only B. SIAS & CIAS only C. CIAS & MSIS only D. SIAS, CIAS, & MSIS
C
Downcomer Block Valve SGN-HV-1142 is operated by ___(1)___ and fails ___(2)___.
A. (1) a motor powered from NHN-M02; (2) as is
B. (1) a motor powered from NHN-M71; (2) as is
C. (1) instrument air; (2) open
D. (1) instrument air; (2) closed
B
Downcomer Bypass Valve SGN-HV-1143 is operated by ___(1)___ and fails ___(2)___.
A. (1) a motor powered from NHN-M02; (2) as is
B. (1) a motor powered from NHN-M71; (2) as is
C. (1) instrument air; (2) open
D. (1) instrument air; (2) closed
B
Total steam flow leaving the steam generators at 100% power is closest to: A. 5,000,000 lbm/hr B. 9,000,000 lbm/hr C. 15,000,000 lbm/hr D. 18,000,000 lbm/hr
D
MSIV logic power is normally supplied from: A. Class batteries B. Class 125 VDC buses C. Class 120 VAC buses D. Class 480 VAC buses
A
Main Steam Safety Valves are designed for \_\_\_(1)\_\_\_ accumulation and \_\_\_(2)\_\_\_ blowdown. A. (1) 1%; (2) 1% B. (1) 1%; (2) 3% C. (1) 3%; (2) 1% D. (1) 3%; (2) 3%
B
The normal motive force for an ADV operated from the control room is: A. a motor B. hydraulic oil pressure C. Instrument Air D. a nitrogen accumulator
C
Which of the following parameters will cause a MSIS?
A. Containment Pressure of 4 psia
B. Steam Generator Pressure of 950 psia
C. Steam Generator Wide Range Level of 40%
D. Steam Generator Narrow Range Level of 90%
B
Draw the Main Steam System.
-1. You didn’t list the normal system pressures.
Unit 1 is at 100% power with all systems in a normal lineup.
The Main Steam header is currently the supply for which of the following loads?
A. Main Feedwater Pump Turbines
B. First Stage Reheaters
C. Gland Sealing Steam
D. Auxiliary Steam
D
Unit 1 is at 100% power with all systems in a normal lineup.
RTCB ‘A’ is opened by the RO for performance of 40ST-9SB01. Subsequently, RTCB ‘B’ fails open.
No ESFAS actuations occur, and all equipment operates as designed.
The Main Steam header is currently supplying which of the following loads?
A. Main Feedwater Pump Turbines
B. Second Stage Reheaters
C. Gland Sealing Steam
D. Auxiliary Feed Pump ‘A’
A
