Reactor Flashcards
How many Reactors do we have?
2
What type of reactor do we have?
Pressurized Water
Why is the Reactor pressurized?
To prevent Boiling
Where are the reactors located?
1 in each RAR
What does RAR stand for?
Reactor Auxiliary Room
What type of fuel do we use in the Reactor?
Enriched Uranium 235
How many steam generators do we have? Location?
4 per plant, 4 in each RAR
What are the phases of the steam cycle?
Generation, Expansion, Condensation, Feed
How many coolant turbine generators do we have?
4
How many ship’s service turbine generators do we have? Location
4; 2 in each MMR
What does MMR stand for?
Main Machinery Room
What is the purpose of the SSTGs, what is it stepped down to?
Provides 4160VAC to switchgear and load centers; 440VAC
What does EDG stand for, what is its purpose?
Emergency Diesel Generator, Backup electrical power
How many EDG do we have and what type of fuel is used in it?
4; JP-5
How many main engines do we have, where are they located?
4; 2 in each MMR
State the 3 basic parts of the main engine?
HP turbine, LP turbine, Reduction gear
How many horsepower is each main engine?
70,000 HP
What engines are in 1 MMR?
1 and 4
How many distilling units do we have, what type are they, where are they located?
4; 6 stage flash type; 2 in each MMR
How much can 1 DU produce per day, what is the recommended usage per person per day?
100,000; 35 gallons
How many reboilers do we have, where are they located?
2; 1A and 4B shaft alleys
What do the reboilers provide?
Hotel services (laundry, galley, scullery hot water)
How many HPACs do we have, where are they located, what pressure do they provide?
4; 2 in each MMR; 3,500 to 4,500 PSI
How many LPACs (SSACs) do we have, what pressure do they provide?
3; 125 PSI
What does DFT stand for?
Deaerating Feed Tank
What was the first nuclear powered vessel?
USS Nautilus
What was the first nuclear powered surface ship?
USS Long Beach
What type of ship was the Nautilus?
SSN
What type of ship was the Long Beach?
CGN
What was the first nuclear powered aircraft carrier?
USS Enterprise
What is the purpose of the main thrust bearing?
Transmits the thrust of the screw to the hull of the ship
Who was the father of naval nuclear power?
ADM Hyman G. Rickover
What is the purpose of the jacking gear?
Turns the shaft slowly during in port to help start up
What is the purpose of the reduction gear?
Converts high speed to a lower more efficient speed to the shaft
What is the purpose of the guarding valve?
Emergency stop of steam to main engines
What is Reactor critical?
Self sustaining nuclear chain reactor
What is Reactor Scram?
Rapid shutdown of the reactor
What does TLD stand for and what is its purpose?
Thermo-Luminescent Dosimeter; Records radiation exposure
What does EOS stand for?
Enclosed Operating Station
What does MPA stand for?
Main Propulsion Assistant
What does RMA stand for?
Reactor Mechanical Assistant
State the Reactor watches in DCC
EOOW; Load dispatcher; Water control watch
How many Reactors did the Big E have?
8
List the divisions within reactor
Reactor Auxiliaries (RA); Reactor Mechanical (RM); Reactor Controls (RC); Reactor Electrical (RE); Machinery Division (M-Div); Reactor Laboratories (RL).
