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ILT SRO > ILT Exam 7 Material + Review Content > Flashcards

ILT Exam 7 Material + Review Content Flashcards

1
Q

What is the heating supply to the 17 HP heaters?

A

2nd stage reheater drain tank and 4th stage HP extraction steam

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2
Q

What is the heating supply to the 16 LP heaters?

A

17 heaters’ drains and 6th stage HP extraction steam

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3
Q

What is the heating supply to the 15 LP heaters?

A

6 heaters’ drains, 8th stage HP extraction steam and, 1st stage reheater drain tank

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4
Q

What are the inputs into the HDT?

A

15 heater drain cooler, MSR shell drain tank

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5
Q

What is the heating supply to the 14 LP heaters?

A

2nd stage LP extraction steam

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6
Q

What is the heating supply to the 13 LP heaters?

A

14 heaters’ drains, 4th stage LP extraction steam

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7
Q

What is the heating supply to the 12 LP heaters?

A

13 heaters’ drains, 6th stage LP extraction steam

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8
Q

What is the heating supply to the 11 LP heaters?

A

8th and 9th stage LP extraction steam

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9
Q

What are the inputs to the ES flash tank?

A

12 LP heater’s drains, 11 LP heater’s drains,

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10
Q

Where does the ES flash tank drain to?

A

11 drain cooler

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11
Q

What is the capacity of the HDPs?

A

Each pump is 50% capacity and delivers 6100 gpm

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12
Q

What are the power supplies to the HDPs?

A

A&C from 157, B from 156

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13
Q

Which non-return check valves do NOT close on a Hi-2 in the downstream heater?

A

1st stage reheater drain tank outlet, 2nd stage reheater drain tank outlet, MSR shell drain tank inlet & outlet, 4th stage HP steam to MSR

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14
Q

When do the ES spill valves open?

A

On a turbine trip, Hi-2 on the associated heater, Hi-1 on 12-14 heaters (the spill valve acts as the low point drain on these lines.)

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15
Q

What is the interlock between inlet and outlet valve of a LP or HP heater string?

A

The inlet valve will start to open when the outlet valve is 95% open. Conversely the outlet will start to close when the inlet is 95% closed. All this ensures the tube side does not get pressurized.

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16
Q

What does the TDFW speed controller use as a demand signal at low powers?

A
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17
Q

What does the TDFWP speed controller use as a demand signal at high powers?

A
18
Q

What do the EH controllers for TDFWPs do?

A

Convert speed demand to a governor valve demand signal

19
Q

What are the TDFWP trip signals?

A
20
Q

What is the design basis for the FW Isolation?

A
21
Q

What is normal EH header pressure?

A

1900 - 2000 psig

22
Q

What is the critical speed range of the TDFWP?

A

2000 - 3000 rpm

23
Q

When does the speed limiter lower speed on the TDFWP?

A

5550 rpm

24
Q

When does the TDFWP trip on overspeed?

A

5720 rpm

25
Q

What are the steam sources for the TDFWPs?

A

Main steam up until 45%. ‘A’ MSR outlet opens at 25%

26
Q

What are the 2 modes of control on FWP?

A
27
Q

How does FW016 fail on a loss of air?

A

Fails As-Is on total or partial loss of air

28
Q

What are the interlocks for starting the TDFWP turning gear?

A
29
Q

What is the power supply to the B FWP recirc valve?

A

DC 114

30
Q

What is the power supply to the A/C FWP recircs?

A

DC 113

31
Q

What is the time limit and reasoning for isolating AF with a faulted SG inside containment?

A

30 minutes; limits containment pressure rise

32
Q

What is the time limit and reasoning for isolating AF with a faulted SG outside containment?

A

20 minutes; Maintain instrumentation in MSIV rooms

33
Q

What is the time limit and reasoning for isolating AF with a ruptured SG?

A

9 minutes; prevent SG overfill

34
Q

On an AF initiation, why must SD valves be closed and when shall that action be permissable?

A

They must be closed to ensure that a total of >= 500 gpm AF flow gets to the SG. The RO must manually close SD valves if SI conditions do NOT exist.

35
Q

At what pressure do the AF pumps swap suction from CST to SX? What valves automatically realign?

A

18.1 psia; CST recirc valve AF002A/B close, SX recirc valve AF024 will open

36
Q

What are the MDFWP trips?

A

PPLLUGSM: P-14, Phase OC, Low lube oil (2/2) 10 psig, Low suction pressure (2/2) 282 psig, UV on bus 156, Ground OC, SI, Manual

37
Q

What are the MDFWP starting interlocks?

A

At least one CD/CB running, Discharge valve FW002A open, Recirc iso valve FW027A open, Suction valve CB005A open, Lube oil pressure 15 psig and rising (oil pressure UP light LIT on PM04J)

38
Q

How does the auto runback feature work?

A
39
Q

What are the permissives to latch/rest TDFWP?

A
40
Q

What are the trips for the TDFWPs?l

A
41
Q

What are the Main Generator trips?

A

ILT SRO (20 decks)

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