TC (Turbine Cooling) Flashcards
What is Turbine Cooling Water Surge Tank M/U?
(DW) Demineralized Water
Which of the following is NOT cooled by turbine cooling water?
A. Service Air Compressor
B. Air Removal Pumps
C. Control Oil System
D. Secondary Sample Coolers
B. Air Removal Pumps
Stator Cooling HX. Heater Drain Pumps.
Generator Hydrogen Cooler. Main Turbine Lube Oil Coolers.
ISO Phase Bus Cooling Coils. Instrument Air Compressors.
Condensate Pumps. Secondary Sample Coolers.
Gland Steam Packing Exhauster. Control Oil Coolers.
MFWs Lube Oil Cooler. Service Air Compressor.
Circ. Water Pumps
Which of the following can be aligned to the Turbine Cooling Water Surge Tank?
A. (DS) Domestic Service Water
B. (CT) Condensate Transfer
C. (GA) Service Gases (Hydrogen)
D. (DW) Demineralized Water
D. (DW) Demineralized Water
Unit 1 is operating at 100% power
The Plant Cooling Water System develops a large unisolable leak in the common pump discharge header
Plant Cooling Water Header Pressure Low Alarm Annunciates in the Control Room
Essential Cooling Water train ‘A’ is crosstied and supplying Nuclear Cooling Water priority loads
40AO-9ZZ03 Loss of Cooling Water has been entered
Which ONE of the following systems are affected and what actions should the crew take?
A. Turbine Cooling Water System, Trip the Reactor
B. Essential Cooling Water System, Trip the Reactor
C. Turbine Cooling Water System, Trip the Main Turbine
D. Essential Cooling Water System, Trip the Main Turbine
A. Turbine Cooling Water System, Trip the Reactor
‘B’ Turbine Cooling Water Pump is running with ‘A’ Turbine Cooling Water Pump in standby. Which of the following will result in an AMBER light at Turbine Cooling Water Pump hand switch TCN-HS-21 (TCN-P01A)?
A. Low header pressure alarm 60 psig
B. High header pressure alarm 120 psig
C. TCN-P01B trips on over current
D. Breaker for TCN-P01A is racked out
C. TCN-P01B trips on over current
Note: TCN-P01A starts on low header pressure 55 psig