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REACTOR - ESWS
Terms in this set (77)
Name one (or 2) services that Reactor Dept. provides for the ship:
High Pressure Air
Low Pressure Air
Name one (or 2) watch(es) that is stood in the Main Machinery Room:
Chief Machinery Operator,
Main Machinery Room Upper Level
Main Machinery Room Lower Level
Ships Generator Watch
Switch Gear Operator
NAME ONE (OR 2) WATCH(ES) THAT STOOD IN THE REACTOR AUXILIARIES ROOM:
CHIEF REACTOR WATCH,
Coolant Generator Watch
Feed Control Watch
Feed Pump Watch
Reactor Auxiliaries Watch
Charging Station Watch
Engineering Laboratory Technician
Name one watch that is stood in Enclosed Operating Space
Propulsion Plant Watch Officer
Throttle man Watch
Where does the Engineering Officer of the Watch (EOOW) stand watch?
Central Control Station (CCS)
What does MMR stand for?
MMR= Main Machinery Room
And what does RAR stand for?
RAR= Reactor Auxiliaries Room.
How many main engines are on board?
Numbers 1 and 4 located in #1MMR
Numbers 2 and 3 located in #2MMR
How many Shafts are there?
Number the shafts from Starboard to Port.
1, 2, 3, 4
What direction do the shafts spin, to propel the ship in the ahead direction?
#1 and 2 spin counter-clockwise, #3 and 4 spin clockwise.
Describe the characteristics/Classification of the Reduction Gears.
What is the purpose of the Reduction Gears?
They transfer the High Speed / Low Torque of the Main Engines to Low Speed / High Torque required for the propellers
What does it mean to Lock the Shaft?
To stop in an emergency by applying steam in the opposite direction; the shaft is then prevented from moving by use of a locking device.
What is the highest bell the ship can answer?
Ahead Flank 171 (A111 171)
How much horse power (HP) does each shaft produce?
70,000 HP in the ahead direction; 7,500 astern.
How many shaft alleys are on board?
How many Distilling units are on board?
Where are they located?
1 and 2 are in #1MMR
3 and 4 are in #2MMR
Classify the distilling units.
How much water can they make per day?
6 stage, low pressure, flash type
100,000 gallons per day each
22. What are the two types of water that the Distilling Units make?
Potable Water and Reserve Feed Water.
What is the unused seawater from a distilling unit called?
What is Brine?
Highly concentrated Sea Water (Like a Paste)
How many potable water pumps are on board?
Where are the potable water pumps located?
1 and 2 are in #1MMR; 3 and 4 are in #2MMR
How many reboilers are onboard?
Where are they located?
#1 is in 1A Shaft Alley, #2 is in 4B Shaft Alley
List some loads off the Reboiler (Service Steam):
What pressure steam does the Reboiler Supply
What provides heat to the Reboilers to make Reboiler Steam?
Where do we get Service Steam from in port?
What produces electrical power for the ship, while Underway?
How many are on board?
Where are they located?
Ships Service Turbine Generators (SSTG)
1 and 2 are in 1MMR; 3 and 4 are in 2MMR
How much electricity does each SSTG produce?
4160 V AC / 60 Hz / 8 MW
How do we Supply Electric Power throughout the Ship when In-Port?
38. Where are the High Volts Shore Power Sponsons located?
Starboard side of the ship. One by the CO's ladder well and the other Aft of Hanger Bay 3
How many shore power cables are connected to each shore power sponson?
What provides Electric Power to the Ship if we lose our Normal Source of Power?
How Many of these do we have?
Emergency Diesel Generators
#1 and #2 in Forward Emergency and #3 and #4 in Aft Emergency
How do these start on a Loss of Power?
High Pressure Air
What provides power to the Reactor Coolant Pumps?
Coolant Turbine Generators (CTG)
How many CTG's are on board?
Where are the CTG's Located?
1 and 2 are in 1RAR, 3 and 4 are in 2RAR
Can an SSTG provide power to the Reactor Coolant Pumps if needed?
Yes, but only #2 and 4 SSTG's can do this
How many High Pressure Air Compressors (HPAC) are on board?
1 and 2 are located in 1MMR; 3 and 4 are located in 2MMR
List some loads off High Pressure Air:
EDG starting Air
Air craft elevators
SCBA Re-charge Station
LSO Hud Platform (of Port Side of Flight Deck)
List some loads off Ships Service Air:
How do we supply Ships Service Air to the Ship?
How many are we to have on board when getting out of the Yards?
Low Pressure Air Plant (LPAP)
What is the purpose of the Main Lube Oil System?
Provides lubrication to the main engines and Reduction Gears
How many lube oil pumps does each main engine have
3; Attached Lube Oil Pump and 2 Lube Oil Service Pumps
What cools the lube oil?
Main Sea Water
What temperature do we try to maintain the Lube Oil?
What types of automatic protection do we have for the Reactor?
Watchstanders, Scram, Fast Insertion, Interlocks, and Partial trip of the Main Engine Guard Valve (MEGV)
Who is considered the "Father of Nuclear Power"?
Admiral Hyman G. Rickover
What is the First Naval Nuclear Powered Vessel?
What is the First Nuclear Powered Surface Ship?
How many nuclear Reactors does the USS Theodore Roosevelt have?
Where are they located on the Ship?
1 Reactor is located under where Medical is Normally located on Board
2 Reactor is located under where the Ships Store would be
What is the purpose of the primary coolant?
Cools the reactor and heats up the steam generators
What kind of fuel does the Reactor use?
Uranium 235 (U-235)
What makes the reactor hot?
The fuel undergoes nuclear fission
What is the purpose of the secondary side of the reactor?
The secondary takes steam from the steam generators and distributes it to all the steam driven components.
Do the primary and secondary sides ever come in contact with each other?
No, this would spread radiation throughout the RAR and MMR
With regards to radiation, is it dangerous to stand watch in the RAR?
No, the amount of radiation received is small in comparison to spending time in the sun (aka, working on the Flight Deck).
Why do the watch standers not receive very much radiation?
Because of two shields, one directly around the reactor and the other around the entire reactor compartment.
What does it mean if the reactor is SUPERCRITICAL?
Power is going up
What do we call the reactor if power is going down?
74. What if the power is stable and not going up or down?
What does it mean to perform a Reactor Room and Engine Room Startup?
Perform Line-ups in both the Reactor Room and Main Machinery Room to bring the Reactor Critical and start Supplying our own steam
What does it mean to perform a Reactor Room and Engine Room Shutdown?
We connect Shore Steam and Shore Power to the Ship such that we will be able to Shut down Steam Driven Equipment and the Reactor while In-Port
What does it mean to SCRAM the Reactor?
To rapidly shut down the reactor, usually in an emergency situation, by rapid and complete insertion of all control rods into the reactor.
How can a reactor SCRAM occur?
Manually or Automatically
What does TLD stand for?
Thermo Luminescent Dosimeter
What does a TLD do?
Provides a way to measure how much radiation a person is exposed to
What division is responsible for keeping track of personnel's dosimeters?
Reactor Laboratories (RL)
What else is the Reactor Laboratories Division responsible for?
Chemistry of water in both Reactor and Steam Cycles
Radiological Controls of the Ship
.What is the responsibility of Reactor Mechanical Division?
They are in charge of all of the Mechanical Equipment associated with the Reactor Loop
What is the responsibility of Reactor Auxiliaries Division?
They are in Charge of everything with Emergency Diesel Generators
85. What is the responsibility of Reactor Propulsion Division (aka Mechanical Division)?
They are in charge of all mechanical equipment associated with Propulsion of the Ship and all of our Auxiliary Equipment (like Reboilers and Distilling Units)
What is the responsibility of Reactor Electrical Division?
They ensure electrical power is supplied thoughout the ship
. What is the responsibility of Reactor Controls Division?
They are responsible for the safe operation and control of the Nuclear Reactor Plant
Explain the Basic Reactor Cycle:
We start up the Nuclear Reactor, causing fissions of Uranium-235 to heat up the water. This water is "Heated" in the Reactor, then as the water flows through the piping of the Reactor Loop (including through the Steam Generator), the water gives off some of its heat through the piping in the Steam Generator to create Steam for the Steam Cycle. The Cooler water is then pumped back into the Reactor by force created from Reactor Coolant Pumps, and then re-heated (and the cycle starts again)
. Explain the Basic Steam Cycle:
Steam is created in the Steam Generator, then is used by Catapults, SSTGs/CTGs, Main Propulsion Turbines, and other Steam Driven Equipment. From the SSTGs/CTGs/Propulsion Turbines, the Condensers are
maintained with a Vacuum and this "pulls the Steam through the Turbines", and this steam is then "condensed" (aka converted from Steam back into water). This water is then "Pumped" back through Condensate and Feed Pumps to be re-used in the Steam Cycle.
**Stages of the Basic steam cycle are known as
Generation (Water is converted into Steam in the Steam Generator)
Expansion (where steam is expanded in turbines to convert the thermal energy of steam to the mechanical energy of rotation in the turbines)
Condensation (When the steam is converted back into water to be re-used)
Feed (When the Water is Returned to the Steam Generator to be Re-used)
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