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41 Cards in this Set

  • Front
  • Back
Primary Purpose of PRIMARY PLANT
Produce Energy
Primary Plant Components (1)
Nuclear Reactor
Produces heat by the splitting of atoms
Fission
What heats the primary coolant to above boiling temperatures
Nuclear reactor
How many shields does the reactor have
2
Purpose of shield
to reduce radiation level
Tank of water surrounding the reactor
Primary shield
Bulkhead of the reactor compartment is lined with lead
Secondary shields
Pumps primary coolant through the system
Reactor Coolant Pump
Pressurizes the coolant to prevent boiling, heaters raise system pressure, spray nozzles lower system pressure
Pressurizer
Generates the steam that is used in the secondary system
Steam Generators
Isolates the reactor in case of a leak to ensure the reactor remains covered with water
Reactor Coolant Loop Isolation Valves
Controls the primary plant
Reactor Plant Control Panel
Uses steam from the steam generator to produce electricity and propulsion
Secondary Plant Purpose
Components Secondary Plant (2)
Main Steam Cutout Valve, Ships Service Turbine Generator
Isolates the steam generator from the engine room in case of major steam leak
Main Steam Cutout valve
Converts steam to AC power
Ships Service Turbine Generator
Known as the Main engine, Converts steam into mechanical power
Propulsion turbine
Main Seawater runs through U-Tunes which the steam passes over, condensing the steam back into water
Main Condenser
Collects condensate and provide a reservoir for the condensate pump
Hotwell
Pumps Condensate to the main feed pump
Main Condensate Pump
Provides high pressure feed water to the steam generator
Main Feed Pump
Has hand wheels that control the throttle valves. Controls the ships propulsion system
Steam Plant Control Panel
Moves the ship through the water (name of system)
Propulsion System
Propulsion system Components (2)
Reduction Gears, Thrust Bearings
Converts the high speed of the main engines to slow speed of he shaft and screw
Reduction Gears
Transfers the thrust of the screw to the hull of the ship
Thrust Bearing
Seals around the shaft to keep the water out of the ship
Shaft Seals
Produces thrust to propel the ship through the water (not system)
Screw
Provides and alternate means of power
Emergency Propulsion Motor (EPM)
Engages and disengages EPM from the reduction gears
Clutch
Known as "outboard", asst in maneuvering the ship in tight areas, ER means of propulsion
Secondary Propulsion Motor
Generate, Store and distribute electricity for the ships use
Purpose of Electrical System
How Many Major Buses are on the Electrical System
2, Vital Bus, Non-Vital Bus
Vital for ships operation/survival
Vital Bus
Nonessential Loads
Non-Vital Bus
Converts steam to AC power
Ships Service Turbine Generators
Converts AC to DC & DC to AC. Normal source of DC power. ER Source of AC
Ships Service Motor Generator
Alternate source of AC Power
Diesel Generator
Emergency Source of DC Power
Main Storage battery
Controls and monitors the electrical systems, located in maneuvering
Electrical Plan Control Panel