Main Steam

Question 1

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

Answer 1

C

Question 2

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

Answer 2

C

Question 3

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

Answer 3

D

Question 4

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

Answer 4

C

Question 5

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

Answer 5

A

Question 6

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

Answer 6

B

Question 7

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

Answer 7

C

Question 8

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

Answer 8

B

Question 9

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

Answer 9

B

Question 10

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

Answer 10

D

Question 11

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

Answer 11

A

Question 12

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%

Answer 12

B

Question 13

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

Answer 13

C

Question 14

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%

Answer 14

B

Question 15

Draw the Main Steam System.

Answer 15

-1. You didn’t list the normal system pressures.

Question 16

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

Answer 16

D

Question 17

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’

Answer 17

A