ESWS REACTOR Flashcards
State the responsibilities of Reactor Department
⁃ Propulsion
• Generate Electricity C.
- Steam for Catapults
- Steam for Reboiler services
• Make potable water
• Pollution abatement
• High pressure and ship’s service air
Who is overall in charge of Reactor Department?
The Reactor Officer
Who is the Reactor Officer?
CAPT DeBlock
What is a Principle Assistant?
The Principle Assistants are LCDRs that are delegated to lead the different divisions and fulfill many of the roles of a DEPT HEAD in Reactor Department.
How many Principle Assistants are there?
6 (CRA, RMO, RMA, REA, RTA, MPA)
What are the different divisions in Reactor Department?
• Reactor Controls
• Reactor Electrical
• Reactor Mechanical
• Reactor Propulsion
• Reactor DC
• Reactor Laboratories
• Reactor Admin
• Reactor Auxiliaries
• Reactor Training
What is Reactor Auxiliaries (RA) Division responsible for?
Maintenance and operation of the Emergency Diesel Generators (EDGs)
What rates are the Sailors in RA Division?
ENs and MMs
What is Reactor Controls (RC) Division Responsible for?
• Maintenance and operation of the reactor safety equipment and other electronic equipment.
• Technical Publications
• Propulsion Plant Network (PPLAN)
What rates are the Sailors in RC Division?
ETNs
What does PPLAN stand for?
Propulsion Plant Local Area Network
What is Reactor Electrical Division responsible for?
• The generation and distribution of electrical power throughout the ship
• Electrical Safety program
• Ship’s vibration analysis
What rates are the Sailors in RE Division?
EMNs
What is Reactor Laboratories Division responsible for?
• Radiological Controls
• Reactor Plant chemistry
• Steam Plant chemistry
• Reboiler chemistry
What rates are the Sailors in RL Division?
MMNs (ELTs)
What is Reactor Mechanical (RM) Division Responsible for?
• Maintenance and operation of primary and secondary systems that support reactor operation.
• Coolant Turbine Generators (CTGs)
• Main Feed Pumps (MFPs)
• #2 Ships Service Air Compressor (SSAC)
What rates are the Sailors in RM Division?
MMNs
What is Reactor Propulsion (RP) Division responsible for?
• Main Engines
• Ships Service Turbine Generators (SSTGs)
• Distilling Units (DUs)
• Reboilers
• Shaft Alleys
• HPACs
• #1 and #3 Ships Service Air Compressors (SSACs)
What rates are the Sailors in RP Division?
MMNs and MMs
What is Reactor Training (RT) Division responsible for?
• Coordination of Propulsion Plant Drills
• Reactor department training and exams
• Reactor department schedule
What is Reactor Damage Control (RX40) Division responsible for?
• All damage control equipment maintenance
• Department 3M assistant C.
• Coordinate scheduling of maintenance throughout the department
Which reactor design is used on board?
A4W
What does a Radiation Area sign look like?
Yellow Sign with Magenta lettering. The word “CAUTION” and a magenta TRI-FOIL symbol
What does a Radialogical Boundary look like?
A yellow and magenta rope that encloses an area.
What does TLD stand for?
ThermoLuminescent Dosimeter
What is the purpose of a TLD?
Measures the amount of radiation the wearer is exposed to.
Explain the importance of YELLOW material and types of YELLOW material
Strictly reserved for Naval Nuclear Propulsion Plant use only. Yellow bags, Orange gloves, Yellow plastic, Yellow boot covers, Yellow and magenta rope
Define Radioactive Material (RAM)
Equipment, parts, and material that POTENTIALLY have been exposed to beta-gamma CONTAMINATION or a neutron FLUX from a naval nuclear reactor.
What does RAM typically look like?
Yellow plastic bag sealed with red tape and should have a RAM tag attached
What are the actions if you find unguarded or misplaced RAM?
• Isolate the area by keeping yourself and all personnel away from the RAM.
• Inform any Reactor Department personnel (Cental J-5892, RL Division J-6029)
• Stand fast, guard the RAM, and wait for RadCon personnel.
What does RC stand for?
Reactor Compartment
What 3 things are required to enter the propulsion plant spaces?
⁃ Confidential security clearance
⁃ A need to access the space
⁃ TLD
Where are the propulsion plant space Ellison doors on the 2nd deck?
• 1 RAR Starboard - Legal passageway
• 1 RAR Port - Just forward of Medical head
• 1 MMR Starboard - S1 passageway (same access for CENTRAL)
• 1 MMR Port - CCC passageway
• 2 RAR Starboard - AFT mess decks Bay 1
• 2 RAR Port - AFT Mess decks Bay 1 (next to TRASH)
• 2 MMR Starboard - Aft Mess decks Starboard chow line
• 2 MMR Port - Aft Mess decks Port chow line
State the propulsion flant supervisory watch standers and their watch locations
• Engineering Officer of the Watch (EOOW)- DCC
• Load Dispatcher (LD) - DCC
• Propulsion Plant Watch Officer (PPWO) - #1 or #2 Enclosed Operating Station (EOS)
• Propulsion Plant Watch Supervisor (PPWS) - #1 or #2 Reactor Plant (roving)
• Chief Reactor Watch (CRW) - #1 or #2 Reactor Auxiliaries Room (roving)
• Chief Machinery Operator (CMO) - #1 or #2 Main Machinery Room (roving)
How many Emergency Diesel Generators (EDG) are onboard?
4
State the purposes of the ship’s Emergency Diesel Generators (EDG)
• Primary - Provide electrical power to the Reactor Fill Pumps in case of a reactor accident
• Secondary - Provide emergency electrical power to the ship upon a loss of ship’s service turbine generators or shore power.
How many reactors are onboard CVN77?
2
What is a Reactor Scram?
Emergency shutdown of a reactor
What does Reactor Critical mean?
The reactor is operating at a steady power level.
What watchstander controls Reactor power and can Scram?
Reactor Operator
Which nuclear rate is the only one that can stand Reactor Operator?
ETNs
What is the fuel used in our reactors?
Fuel grade Uranium-235
Explain how a nuclear reaction produces useable energy
Nuclear fission of uranium (splitting the atom in two) heats water used to produce steam
State the purpose of the ship’s Coolant Turbine Generators (CTG)
Uses steam to generate electricity for the ship’s Reactor Coolant Pumps
How many CTGs are onboard?
4
State the locations of the CTGs
• 1&2 - 1 Reactor Auxiliaries Room
• 3&4 - 2 Reactor Auxiliaries Room
State the purpose of the Ship’s Service Turbine Generators (SSTG)
Uses steam to generate electricity for the ship while underway
How many SSTGs are onboard?
4
State the locations of the SSTGs
• 1&2 - 1 Main Machinery Room
• 3&4 - 2 Main Machinery Room
State the purpose of the Main Engines
Convert thermal energy from steam into mechanical work to move the ship
How many Main Engines do we have on board?
4
How are the Main Engines numbered?
1 to 4 from Starboard to Port
State the locations of each main engine
• 1&4 - 1 MMR
• 2&3 - 2 MMR
What is the maximum RPM the shafts can rotate at?
171 RPM
What is the purpose of the Main reduction gears?
To reduce high speed rotation of the turbine into slower speed of the shaft
What watchstanders normally controls the main engines?
Throttleman
What is the purpose of the ship’s Distilling Units (DU)?
Convert seawater into potable water and reactor plant make-up water.
State the locations of the ship’s DUs
⁃ 1&2 - 1 Main Machinery Room
⁃ 3&4 - 2 Main Machinery Room
What is the maximum amount of water produced by one DU per day?
100,000 gallons
What is the purpose of the ship’s high pressure air compressors (HPAC)?
They supply 4,200 lb air for propulsion plant and ship’s uses.
How many HPACs are onboard?
4
State the locations of the ship’s HPACs
• 1&2- 1 Main Machinery Room
• 3&4- 2 Main Machinery Room
List the uses of high pressure air
• EDG starting air
• SCBA recharge
• aircraft elevator pressure flasks
• catapults arresting gear and barricade engine dampening sheaves
• arresting gear lubrication
• emergency air breathing
• control air for pneumatic valves
What is the purpose of the Ships Service Air Compressors (SSAC)?
Provide low pressure air for propulsion plant and ship’s uses
How many SSACs are onboard?
3
State the locations of the SSACs
⁃ #1 - 1 Main Machinery Room
⁃ #2 - 2 Reactor Auxiliaries Room
⁃ #3 - 2 Main Machinery Room
List the uses of Ships Service (low pressure) air
• dental operating rooms
• flight deck cameras
• radar control panel air
• pneumatic tool connections
• air conditioning plants
• laundry presses
• dry cleaning units
How many re-boilers are on board?
2
State the locations of the re boilers
⁃ 1A Shaft Alley (#1 reboiler)
⁃ 4B Shaft Alley (#2 reboiler)
Where is 1A Shaft Alley?
AFT Mess decks Bay 3 by the URINALYSIS line
Where is 4B Shaft Alley?
AFT Mess decks Bay 2 forward of the geedunk machines.
List the services (loads) provided by the re boilers
• 50lb Service steam system
• 100lb Laundry steam system
• Distilling plant air ejectors
• Auxiliary lube oil purifier heaters
• Main lube oil purifier heaters
What was the first nuclear powered vessel?
USS Nautilus (SSN 571)
Other than being the first nuclear powered vessel, what else was USS Nautilus first to do?
First submarine to complete a submerged transit of the North Pole
What was the first nuclear powered surface ship?
USS Long Beach (CGN 9)
What was the first nuclear powered aircraft carrier?
USS Enterprise (CVN 65)
Who is the “Father of the Nuclear Navy”?
Admiral Hyman G. Rickover
Which Nuclear Aircraft Carriers are not named after Presidents?
⁃ USS Stennis
⁃ USS Vinson
⁃ USS Nimitz
⁃ (soon to again be, USS Enterprise)
How many years of active duty service did ADM Rickover serve?
63 years - the longest serving member of the U.S. armed forces in history
State the advantages of nuclear power vice fossil fuel
• Less pollution
• Longer periods between refueling
