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EO1 > EO1 B2 TGLO > Flashcards

EO1 B2 TGLO Flashcards

1
Q

The Main Turbine Lube oil System provides ALL of the following functions with the EXCEPTION of…

A. Acts as Backup Seal Oil System supply

B. Provides Normal Makeup to Seal Oil System

C. Provides Oil supply to Main Turbine Thrust Bearing wear detector

D. Provides Oil supply to the Main Feed Pump Turbine Turning Gear

A

D

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2
Q

During normal operation with the turbine loaded, the amount of oil that flows to the
Turbine/Generator bearing header is controlled by the
A. Booster Baffler valve and relief valve.

B. restriction orifice in the supply header.

C. restriction orifices in the bearing supply lines.

D. Turbine Generator Lube Oil cooler outlet flow control valve.

A

A

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3
Q

During NORMAL Main Turbine startup or shutdown operations (<85% rated speed), the Turbine Generator
bearing oil header is supplied by the

A. Motor Suction Pump.

B. Turning Gear Oil Pump.

C. Shaft-Driven Main Oil Pump.

D. Emergency Bearing Oil Pump.

A

B

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4
Q

During Main Turbine turning gear operations, lube oil flows from the Turbine Generator Lube Oil
Tank to the pump(s) to supply bearings through with an oil film designed to
MINIMIZE torque requirements.

A. Lift, 3, 8, Turning Gear

B. Lift, 2, 9, Turning Gear Oil Pump

C. Motor Suction Oil, 3, 8, Main Generator

D. Emergency Bearing Oil, 2, 8, Main Generator

A

A

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5
Q

The Vapor Extractor on the Turbine Generator Lube Oil Tank

A. is used primarily to remov

B. is used primarily to remov

C. causes excessive dirt and

D. is used primarily to preven

A

A

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6
Q

During NORMAL operation (turbine at 1800 rpm), the oil pressure in the bearing oil header is
supplied by:
A. Motor Suction Pump.

B. Main Shaft Oil Pump.

C. Turning Gear Oil Pump.

D. Emergency Bearing Oil Pump.

A

B

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7
Q

During normal operations (turbine at 1800 RPM), the bearing header pressure is controlled by

A. Relief valve seated, Booster Baffler valve throttled and Booster Baffler Bypass valve
throttled.

B. Relief valve lifting, Booster Baffler valve throttled and Booster Baffler Bypass valve
throttled.

C. Relief valve seated, Booster Baffler valve throttled and Booster Baffler Bypass valve closed.

D. Relief valve lifting, Booster Baffler valve throttled and Booster Baffler Bypass valve closed.

A

B

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8
Q

Match the component from the left column with its function from the right column.

  1. Main shaft oil pump
  2. Turning gear oil pump
  3. Oil driven booster pump
  4. Emergency bearing oil pump
  5. TG lift pumps
  6. Motor suction pump

A. Supplies main shaft oil pump when turbine is operating

B. Provide .002-.005” film to brngs. 3 through 8
C. Supply main shaft oil pump during startup of turbine

D. Supply oil headers on loss of all AC power
E. Supplies bearing header when S/D

F. Rotates at approx. 3636 rpm

A
  1. F
  2. E
  3. A
    4 D
    5 B
    6 C
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9
Q

Which of the following sets of indications is found in the Control Room?

  1. Lift Pump Discharge Pressure
  2. Oil Driven Booster Pump Discharge Pressure
  3. Main Shaft Lube Oil Pump Discharge Pressure
  4. T-G Lube Oil Tank Level

A. 1 and 2

B. 1 and 4

C. 2 and 3

D. 3 and 4

A

C

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10
Q

A red status light below the Main Turbine Oil Lift Pump switches will be LIT provided

A. at least one Oil Lift Pump is NOT running.

B. all 6 Oil Lift Pumps have <1 psig suction pressure.

C. at least one Oil Lift Pump has >500 psig discharge pressure.

D. all 6 Oil Lift Pumps have >500 psig discharge pressure.

A

C

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11
Q

Normal level in the T-G Lube Oil Tank should be inches from the bottom of the tank.

A. 60”
B. 50”
C. 40”
D. 32”

A

A

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12
Q

Which of the following should be considered ABNORMAL for the Main Lube Oil System?

A. Oil temperature rise of 55°F across any journal bearing.

B. A 5°F increase in oil drain temperature since last set of readings.

C. Journal bearing metal temperature of 175 °F during normal operation.

D. Oil temperature rise of 40°F across the thrust bearing during normal operation.

A

A

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13
Q

Which ONE of the following combinations will result in implementation of DB-OP-02500, Turbine Trip?

A. Shaft-driven Main Oil Pump discharge pressure 115 psig; Reactor Power 47%

B. Shaft-driven Main Oil Pump discharge pressure 100 psig; Reactor Power 37%

C. Turbine bearing oil header pressure 11 psig; Reactor Power 37%

D. Turbine bearing oil header pressure 7 psig; Reactor Power 47%

A

B

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14
Q

Which of the following turbine related annunciators direct the operator to TRIP the Main Turbine?

  1. T-G DC EBOP ON, 15-1-D
  2. T-G AC TGOP ON, 15-2-D
  3. T-G LIFT PUMP DISCHARGE PRESSURE LOW, 15-3-C
  4. T-G LUBE OIL CLR OIL IN PRESS LO, 15-3-D

A. 1 and 2

B. 1 and 4

C. 2 and 3

D. 3 and 4

A

A

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15
Q

The Turning Gear Oil Pump for the TGLO system will automatically START when

A. lube oil header pressure drops to 15 psig.

B. lube oil header pressure drops to 50 psig.

C. main shaft oil pump discharge pressure drops to 195 psig.

D. motor suction pump discharge pressure drops to 200 psig.

A

A

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16
Q

If the shaft-driven Main Oil Pump discharge pressure drops to 180 psig or the TGOP discharge
pressure drops to 10 psig, the will start.
The should also start if the shaft-driven Main Oil Pump suction pressure drops to 10
psig.

A. EBOP, TG Lift Pumps

B. TG Lift Pumps, EBOP

C. EBOP, Motor Suction Pump

D. Motor Suction Pump, EBOP

A

C

17
Q

Which one of the following combinations will result in a reactor trip?

A. Shaft-driven Main Oil Pump discharge pressure 120 psig; Reactor Power 47%

B. Shaft-driven Main Oil Pump discharge pressure 100 psig; Reactor Power 33%

C. Turbine bearing oil header pressure 12 psig; Reactor Power 33%

D. Turbine bearing oil header pressure 6 psig; Reactor Power 47%

A

D

18
Q

All objects must be removed from the Turbine Generator Lube Oil tank hatches prior to starting the
system to ensure
A. the hatches function as an explosion - relief device

B. class “A” housekeeping requirements are maintained

C. a slight positive pressure is maintained by the vapor extractor

D. accessibility for performance of level alarm float switch maintenance

A

A

19
Q

The Turbine Bearing Oil Drain Header drains to the

A. Used Lube Oil Storage Tank through 2 removable screens and then a vertical baffle

B. Turbine Generator Lube Oil Tank through 2 water cooled heat exchangers and then a vertical
baffle
C. Used Lube Oil Storage Tank through a vertical baffle and then 2 removable screens

D. Turbine Generator Lube Oil Tank through 2 removable screens and then a vertical baffle

A

D

EO1 (14 decks)

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