Reactor Flashcards
process used to create heat
fission
purpose of the reactors
create heat
reactor scram
an emergency shutdown of the reactor plant
purpose of steam generators
make steam for loads
Reactor Department Standing Order
a guide to clarify procedures to ensure that they are interpreted the same by all watchstanders
How does the nuclear reaction produce usable energy?
Heat caused by fission is used to change water into steam. Pressurized steam is fed to turbines causing them to rotate and produce energy.
of EDGs onboard
4
Which EDGs support the aft electric plant?
3 & 4
father of nuclear power
ADM Rickover
1st nuclear powered aircraft carrier
USS Enterprise
of distilling units onboard
4
capacity of the distilling units
100,000 per unit per day
line shaft bearings
supports the weight of the shaft as it runs through the ship
purpose of the reboilers
hotel services
location of the reboilers
1A and 4B shaft alleys
Name some Hotel services.
heating steam, laundry, hot water, lube oil heating, galley steam
purpose of the EDGs
to power reactor fill pumps and vital electric loads
location of the EDGs
1&2 forward
3&4 aft
reduction gears
to turn high speed low torque into low speed high torque
propulsion turbines
turn steam into power
of blades on the ships propellers
5
strut bearing
supports the weight of the shaft externally
What is the advantage of nuclear power over fossil fuels?
sustain longer, less pollutant, more cargo room, less UNREPs
What do you do if you find a yellow poly bag?
secure the area and have someone contact x7211 to get an ELT
ELT
engineering laboratory technician
nuclear trained MM
de-aerating feed tank
remove air from the water; preheat and store the water before it gets to the steam generator
Where does the EOOW stand watch?
DC Central
Where do the throttle-men stand watch?
EOS
What rate stands reactor operator watch?
ET - underway
EM - shutdown
main condenser
condenses steam fro the main engine back to water
1st naval nuclear powered vessel
USS Nautilus
1st naval nuclear powered surface ship
USS Long Beach
stages of steam cycle
generation, expansion, condensation, feed
How many shafts do we have?
4
Which plants are the shafts located in?
1&4 Plant 1
2&3 Plant 2
What screws are the rudders located behind?
2 & 3
coolant turbine generators
produce electrical power for the RCP
throttle-man
directly controls shaft rpm
name of the reactor control room
EOS
enclosed operating station
reactor operator
directly controls the reactor
ET
PPWO
overall control of their propulsion plant (both MMR and RAR)
log recorder / phone talker
take logs (temperatures) and man phones (communications in the plant)
load dispatcher
an EM; controls electrical loads
water control watch
an MM; controls water inventory
CSC
Catapult Supervisory Control
controls the rate of steam flow to the catapult accumulators to not exceed reactor power limits
Where are the CACs?
one in each RAR and MMR
What are the CAC’s for?
provide air for pilot operated valves in the reactor plant
What is the difference between feed water and potable water?
feed water - pure water
potable water - drinking water
normal electric plant line-up
4SG Lincoln Line up
main air ejectors
maintain vacuum in main condensers
guarding valve
secure steam to main engine quickly if necessary
type of reactor onboard
pressurized water reactor
How does a nuclear reaction create energy?
breaking atomic bonds produces heat, which is used to boil water to make steam
pressure of HP air
4,000 psi
pressure of LP air
150 psi
Reactor Controls division
maintain reactor instrumentation and control equipment
type of steam reboillers onboard
horizontal shell and tube type heat exchangers
location of steam reboillers
1A and 4B shaft alleys
What does the reboiler heating system do?
supplies steam
reboiler heating steam drain
directs the steam
CRW/RMO
chief reactor watch and shutdown reactor mechanical operator
RM
Reactor Mechanical
responsible for the operation, care, and maintenance of the reactor plant system and emergency diesel generators
RL
Reactor Laboratory
responsible for reactor plants and steam plants, chemistry control and for radiological. Associated with the propulsion plants.
RE
Reactor Electrical
responsible for the operation, care, and maintenance of reactor electrical and propulsion plant electrical systems
M div
Machinery division
responsible for the operation, care, and maintenance of ship’s propulsion machinery and related auxiliaries
reactor auxiliaries
responsible for the operation, care, and maintenance of the reactor plant system and emergency diesel generators
Reactor Department Organizational Manual
used to inform the responsibilities and functions of all personnel assigned to the reactor department
ship’s control bill
guide for the safe operation of the ship
reactor critical
the reactor is online
propulsion plant casualty
a casualty that affects the safety of the propulsion or reactor equipment
TLD
thermal luminescent dosimeter
purpose of the TLD
used to measure the amount of radiation received by an individual
What is the EOS?
enclosed operating station; the main controlling station for the reactor and propulsion plant
NPMTT
nuclear propulsion mobile training team
NPMTT’s mission
assist the reactor departments ability to operate and maintain records
ORSE
operation reactor safeguard exam
purpose of ORSE
overall test of the reactor department to function as a department. Occurs annually and takes 3 days.
What is the source of fuel that powers the reactor?
Uranium 235
How often does nuclear propulsion have to be refuelled?
25 yrs
main engine
moves the ship and feeds off the reduction gear
shaft seal
prevents water from entering the hull
types of air
HP, ships service and control air
What is HP air used for?
elevators, auto start diesel generator
What is ships service air used for?
tools and generators
What is control air used for?
propulsion plant air
location of distilling units
2 in each MMR
of HP air compressors in each MMR
2
of control air compressors in each MMR and RAR
1
location of the ship service turbine generators
2 in each MMR
ABT
automatic bus transfer
when power is lost from one source it is automatically gained from another
RAR
reactor auxiliary room
of York AC plants onboard
10
What keeps the galley cool?
5 REEFERS
cooling medium used
saltwater
compressor
pumps gas
color of chill water
yellowish/greenish color
main jacking gear
prevent bowing
normal electrical power
SSTG
ship service turbine generator
type of distilling plant onboard
steam operated, low pressure, 6 stage flash type evaporator
purpose of potable water pumps
maintains ships system pressure at 80-100 psi
of potable water pumps
8 total
4 in each MMR
What is the gpm for the potable water pump?
1,000 gpm
potable water risers
delivers water to the port and starboard sides
chlorinators
a better way to store water and remain microorganism free
RO
Reactor Officer
overall in charge of all reactor department functions
RMA
reactor mechanical assistant
supervises the operation, care, and maintenance of the reactor plant system and emergency diesel generators
CRA
chemistry/radiological assistant
chemistry controls and radiological controls associated with the propulsion plant
REA
reactor electrical assistant
operation, care, and maintenance of the reactor electrical, reactor control, and instrumentation and propulsion plant electrical plant systems
MPA
main propulsion assistant
operation, care, and maintenance of ships propulsion machinery and related auxiliaries
RDO
reactor duty officer
commissioned officer; duty in-port reactor watch
PPWO/shutdown
propulsion plant watch officer
operation of assigned propulsion plant
RO/SRO
reactor operator/shutdown reactor operator
operation of reactor systems
LD
load dispatcher
distribution and control of the ship’s normal service, emergency coolant propulsion at 400 Hz power system
CMO/SMO
chief mechanical operator/MM shutdown machinery operator
supervising all MMR watchstanders and ensures the proper, safe, and efficient operation of all machinery and fluid systems in the reactor room
CRW/RMO
chief reactor watch/shutdown reactor mechanical operator
supervising all reactor mechanical watchstanders and ensures the proper, safe, and efficient operation of all machinery and fluid systems located in the reactor room
ELT
engineering laboratory technician
primary and secondary water chemistry, and radiological controls
function of the MMR
use ship’s steam in ship’s propulsion, electrical power generation and water production
function of the RAR
producer of steam, deals directly with the reactors and steam generators
What is the function of the reactors?
provides heat for steam generators
function of SSTG
ships service turbine generators; used for electrical generation for 60 Hz electrical system
ahead throttle valve
moves ship forward
astern throttle valve
moves ship aft
split steam plants
each plant is operating seperately
cross-connected steam plant
one reactor supplies 2 steam plants
trailing shaft
one or more shafts cannot be powered by main engine but is still turning
locked shaft
locked; cannot turn
restricted maneuvering
sea and anchor/UNREP; max plant reliability and extra watches
