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EO1 > EO 1 BLOCK 4 Aux Boiler > Flashcards

EO 1 BLOCK 4 Aux Boiler Flashcards

1
Q

Which ONE of the following can be used as a Backup source of Diesel Oil to the Emergency Diesel
Generator Day Tanks?
A. Diesel Oil Storage Tank
B. Diesel Fire Pump Day Tank
C. Miscellaneous Diesel Generator Day Tank
D. Station Black Out Diesel Generator Day Tank

A

A

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2
Q

Which ONE of the following is a purpose of the Auxiliary Boiler?
A. Supplies auxiliary steam during plant shutdown or low load operation.
B. Provides necessary piping and tanks for the collection and storage of condensate from various
steam headers.
C. Provides hot water for space heating needed to maintain a suitable environment for personnel
and equipment.
D. Maintains the Auxiliary Feed Pump Turbine casing hot and air free during turbine shutdown to
prevent corrosion.

A

A

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3
Q

Which ONE of the following receive the drains from the Moisture Separator Reheater 1st and 2nd
stage drain tanks when blanketing steam is in service?
A. Condenser
B. 10 psig drain tank
C. Flash tank
D. Auxiliary Boiler Deaerator

A

D

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4
Q

Which ONE of following sets of steam sources can be used to supply the atomizing steam
regulator?
1 . 235/50 psig Reducer
2. 235 psig Auxiliary Steam Header
3. 50/15 psig Reducer
4. Auxiliary Boiler Steam Drum
A. 1, 3
B. 1, 4
C. 2,3
D. 2,4

A

D

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5
Q

The Diesel Oil Storage Tank does NOT normally provide oil for the _____ _
A. Diesel Fire Pump Day Tank
B. Auxiliary Boiler Fuel Oil Pumps
C. Emergency Diesel Generator Day Tank
D. Miscellaneous Diesel Generator Day Tank

A

C

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6
Q

Which ONE of the following are the power supplies to the Auxiliary Boiler Feed Pumps?
A. E1,F1
B. E2, F2
C. E3, F3
D. E4, F4

A

C

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7
Q

The plant is in a Rapid Shutdown due to a Steam Generator Tube Rupture of approximately 75
gpm.
You, the Zone 2 Operator, have been directed to start the Auxiliary Boiler and transfer the Auxiliary
Steam 235 psig header to the boiler when the boiler is ready.
Which of the following sources of makeup water to the Auxiliary Boiler Deaerator should you use?
A. Demineralized Water, via CD1666B, Auxiliary Boiler Makeup from Condensate flow control,
because it is the only source allowed by procedure.
B. Condensate System, via CD1666B, Auxiliary Boiler Makeup from Condensate flow control,
because it’s the only source with the necessary flow capacity.
C. Condensate Storage Tank, via CD1666C, Auxiliary Boiler Makeup from Makeup Pumps flow
control, to deplete the tank in anticipation of using it later to store contaminated hotwell water.
D. Service Water, via CD 1666C, Auxiliary Boiler Makeup from Makeup Pumps flow control,
because it is the only non-contaminated source of water with the necessary capacity to supply
the Auxiliary Boiler load

A

A

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8
Q

Which ONE of the following describes an Auxiliary Boiler water level indication that can be used to
determine the LEGAL Steam Drum water level?
A. Tricocks
8. Maxon Valves
C. Chart recorder
D. Feedwater flow

A

A

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9
Q

Maintaining the Auxiliary Boiler Steam Drum level too low can result in __ _
A. carry-over from the steam drum
B. reduced natural circulation flow in the boiler tubes
C. increased natural circulation flow in the boiler tubes
D. reduction in the efficiency of the moisture separating equipment

A

B

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10
Q

Which of the following combinations describes when the Auxiliary Boiler steam drum low water
level alarm annunciates, and when the Auxiliary Boiler trips.
A. 3, 6 inches below center line
B. 4, 5-3/8 inches below center line
C. 4-1/2, 5-1/2 inches below center line
D. 5-3/8, 6 inches below center line

A

B

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11
Q

The Fuel Oil Booster pumps NORMALLY supply diesel oil to the _______ _
A. Diesel Oil Transfer Pump
B. Auxiliary Boiler Fuel Pumps
C. Diesel Fire Pump Day Tank
D. Emergency Diesel Generator Day Tank

A

B

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12
Q

Which ONE of the following identifies a Fuel Oil Transfer system interlock at Davis-Besse?
A. A Fuel Oil Booster pump must be RUNNING to allow an Auxiliary Boiler Fuel Oil pump to
START.
B. The Miscellaneous Diesel Generator will TRIP at 12 inches in the Diesel Oil Storage Tank.
C. An Auxiliary Boiler MAXON valve must be OPEN to allow a Fuel Oil Booster pump to START.
D. The Auxiliary Boiler MAXON valve will TRIP closed at 24 inches in the Diesel Oil Storage
Tank.

A

A

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13
Q

Select which level, as seen in the Auxiliary Boiler Sight-glass (steam drum) indicates center line of
the drum is being maintained.
A. 3 inches
B. 4 inches
C. 5-3/8 inches
D. 6 inches

A

A

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14
Q

Maximum fuel oil pressure at the Heating Gun atomizer is __ .
A. 50 PSIG
B. 100 PSIG
C. 150 PSIG
D. 200 PSIG

A

B

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15
Q

Before the Auxiliary Boiler is started, the Boiler Master should be placed in ______ with
its setpoint at ___ _
A. automatic; minimum
B. automatic; 10%
C. manual; minimum
D. manual; 10%

A

C

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16
Q

Which ONE of the following indicate that the Auxiliary Boiler convection pass surfaces have
become dirty and that soot-blowing may be required?
A. air flow decrease
B. steam flow increase
C. feedwater temperature decrease
D. flue gas temperature increase

A

D

17
Q

The tubes located within the rear of the furnace (Hottest section) are generally called the?
A. downcomers
B. risers
C. both a. and b. above
D. none of the above

A

B

18
Q

Per DB-OP-06241.04 Section 4.6.1 O, which one of the following are the correct revolutions for
operation of the Soot Blowers?
A. 1 rpm
B. 3 rpm
C. 6 rpm
D. 10 rpm

A

B

19
Q

The furnace compartment is separated from the generating bank by ?
A. roof tubes
B. the mud drum
C. a firebrick wall
D. division wall and screen tubes

A

D

20
Q

The steam drum:
A. Level is maintained by the Boiler Master controller.
B. Removes air and non-condensible gasses from the steam before leaving the boiler.
C. Provides a means for bottom blowdown of solids and excessive chemicals.
D. Separates saturated steam from the steam/water mixture discharged by the risers.

A

D

21
Q

Which one of the following is the purpose of the Auxiliary Boiler lower (mud) drum?
A. To distribute water to all of the riser tubes.
B. To separate the steam and water mixture.
C. To act as insulation for the fire box.
D. To provide a collection point for the surface blowdown.

A

A

22
Q

The combustion controls on the Auxiliary Boiler control the firing rate of the boiler based on
A. steam temperature.
B. flue gas temperature.
C. flue gas pressure.
D. steam drum pressure.

A

D

23
Q

The Fuel Oil Booster pumps NORMALLY supply diesel oil to the _____ _
A. Diesel Oil Transfer Pump
B. Auxiliary Boiler Fuel Pumps
C. Diesel Fire Pump Day Tank
D. Emergency Diesel Generator Day Tank

A

B

EO1 (14 decks)

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