ESWS Engineering Flashcards
Where is the AFT main machinery room located?
Forward of hangar bay elevator room all the way down.
Where is AUX machinery room located?
Below ships laundry
Where is forward emergency diesel located?
Two decks below Chiefs berthing port side.
Where is aft emergency diesel generator?
AftCHT Pump room
What are the four phases of the basic steam cycle?
Condensation phase
Generation phase
Expansion phase
Feed phase
What is the major equipment in the generation phase
Economize and boiler
What is the major equipment in the expansion phase?
Main engine
High pressure/ low pressure turbine
SSTG
Reduction gears
What is the major equipment in the condensation phase?
Main condenser/hot well Aux condenser/hot well Main condensation pump Aux condensation phase Main circ pump Aux circ pump Main air ejector condenser Aux air ejector condenser First stage feed heater
What type of boiler does the boxer have?
V2M D-type boiler ((700 psi)
What are 3 modes that you can operate a boiler in?
Remote manual
Local
Automatic
What is the operating steam pressure and temperature for the main steam system?
700 psi at 900 F
Name the major parts of the boiler?
Economizer Steam drum Generating tubes Super heater De-superheater/water drum Furnace Force draft blowers Port use fan
Where is the #2 boiler located?
Forward MMR
Where is the number 1 boiler located?
Aft MMR
What is the function of the DFT?
Stores up to 3,500 gallons
De aerates condensate
Pre heats condensate to 250 F
How many feed pumps are on boxer?
4
How many fuel oil service pumps does the boxer have?
4
What are the boilers used for?
To produce main and aux steam for ships propulsion, electrical power, water production.
Where is 1A forced draft blower located?
AFT MMR
What is the function of the main feed booster pump?
Moved feed water from the DFT to the MFP
How many lube oil pumps are on the boxer?
6
What is the function of the feed water control valve?
Controls the amount of feed water to enter the boiler
What are the 3 elements of the automatic boiler control valve?
Feed water control
Fuel oil control
Combustion air control
What is the purpose of the CHELANT system?
To treat boiler water to prevent scale formation inside boiler tubes and to minimize corrosion that will damage boiler tubes
Where is the forward main machinery room located?
All the way down the route 69 port hole
What are the 2 major components of the main engine?
High pressure and low pressure turbine.
What is the purpose of the main reduction gear?
Reduce shaft speed to propeller speed
What is the max shaft horse power?
35,000 SHP
What are the 4 main bearings used for propulsion?
Main thrust
Line shaft
Stern tube
Strut
How many line shaft bearings are on the starboard shaft?
5
How many wine shaft bearings are on the port shaft?
8
What main engine is the port shaft connected to?
FWD engine
NB. 2 main engine
What type of propellers are on the boxer?
6 blade bronze alloy
16.5 ft. Dia, 30,000 LBS
What is the function of the main condenser?
Condenses steam from the LP turbine into water using seawater.
What does the main engine Ahead throttle valve control?
Main steam flow into the head turbine element of the HP and LP turbines
What does the main engine astern throttle valve control?
Main steam flow into the astern LP turbine element
Where is the ahead and astern throttle valve located?
In forward and aft enclosed operating stations
Where is main control?
FFWD MMR
What is the responsibility of us to watch EOOW
Responsible for the proper operation of Engineering plant and safety while underway, and auxiliary steaming. In charge of Main propulsion plant and associated auxiliaries
Who does that EOOW report to?
OOD
What is the responsibility of the engineering duty officer EDO?
Engineering duty department head while in port
In charge of in port fire party
In charge of engineering spaces and watches
In charge of administration while auxiliary steaming.
The damage control watch supervisor DCWS is responsible for
Monitor fire and flooding alarms
Monitors fire fighting and ballasting systems
Ear monitors S/S and aux rover
Where does the cold iron watch stand watch?
Forward and aft engine rooms
What is the purpose of the sounding and security watch?
Conducts a continuous patrol of unmanned spaces while taking periodic soundings of tanks
Physical security of assigned areas
Reports fires, flooding, sabotage and theft to DCWS
The aux rover monitors
Air conditioning and refrigeration systems
What watches are in forward and aft MMR?
EOOW Space supervisor Boiler control operator Electoral plant supervisor Throttle man Boiler technician upper level Boiler technician lower level Engine room upper level Engine room lower level Burning man Messenger
Fire marshal is responsible for
Monitors ships firefighting capability
Prevents and eliminates fire hazards
Who is the chief engineer CHENG on boxer?
LCDR Saunders
Who is the main propulsion assistant?
LT Jackson
Who is the damage control officer?
CHENG
How many SSTG are on board USS boxer?
5
How many generators on board USS boxer?
7
How many ship service emergency diesel generators are on board?
2
What is the purpose of the SSEDG’s?
To provide emergency source of power to the electrical distribution system if main steam is lost, using a combustion engine as a prime mover.
The rating SSTGs are _____ KW, _____ amps, ____ volts AC, _____ Hz, _____ phase
2500 kW 4000 amps. 450 VAC 60 Hz 3 phase
How many switchboards does the boxer have?
7
Where is number five switchboard located?
Aft MMR
Where is number three switchboard located?
Aux machinery room (AMR)
How many emergency switchboards do we have?
2
Where are the emergency switchboards located?
No. 1 fwd diesel
No. 2 aft diesel
How many shore power receptacles are on for boxer
30
How many tables does boxer use while in for
20
What are the cables rated at
400 amps
Where are the shore power switchboards located?
Forward shore power switchboard is located in AMR
Ask shore power switchboard is located in the aft diesel generator room
How many 400 Hz converters are on board?
5
What are the 400 Hz converter units used for?
Convert 60 Hz to 400 Hz for systems such as gyrocompass, radar, satellite tracking and AES S stations on the flight deck
What is an ABT used for?
Transfers load to another source when normal power is lost, automatically
What does MBT stand for?
Manual bus transfer
What are the coils in the Degaussing system?
A coil
M coil
FIQI coil
FPQP Coil
What is the purpose of the Degaussing system?
To make the ship magnetically invisible by reducing the ships magnetic signature through the water
Where is the degaussing switchboard?
FWD IC
What types of diesels are on board boxer?
ALCO
251C
V16
2800 HP
How many ACs are on board?
6
Where is number three and four AC units
Aux machinery room
What classification of the AC units are on boxer?
R114/R236
What is the primary mission of the AC unit?
Combat systems equipment cooling
What are the main components of the 300 ton AC units?
Compressor
Condenser
Receiver
Orifice plate
What does the chill water pump do?
Moves chill water from the chiller room to system (combat systems heat exchangers)
How many refrigeration units are on board?
3
What type of refrigeration units are on boxer?
5.5 ton reciprocating
What refrigerant is used for the reefer units?
R-134
How many freeze boxes are on board?
1
What are the types of fuel oil on board?
F-76, DFM
F-44, JP-5
What type of fuel oil does the boiler use?
F-76, DFM
What type of fuel oil does the SSEDG use?
JP-5
What equipment uses JP-5?
Aircraft, EDG, LCAC, small boats and vehicles.
How many fuel service pumps in the main space?
4
How many FO service tanks for each main space?
2
How many lube oil service pumps?
6
Where is the no. 2 lube oil purifier?
FWD MMR
What type of lube is used for main propulsion?
21 90
How much F-76 can the boxer hold?
1.9 million gallons.
How many JP-5 storage tanks are onboard and total capacity?
7 at 460,000
What is the classification of the steering gear system?
Electro hydraulic, double acting single RAM
What is the function of the steering system
Position rudders in response to helm
What are the components of the steering system?
Helm Steering gear motors Steering gear pumps Steering gear units RAM assembly rack and Pinion follow up assembly Differential control boxes Trick wheels Emergency gear pumps Hand pump
What are the different methods of steering control?
Helm Auto pilot Trick wheel Trick wheel standby steering unit Emergency steering gear unit Hand pump Engine orders from each shaft with rudder at zero
How many HP ACs are on board?
2
What services require HP air?
Aircraft elevator
Diesel starting system
HP to LP vital air reducers and for mainshaft inflatable seals
HP to LPA reducers for JP – 5 pump rooms
What are the locations of both HPACs?
Fwd compressor room and aft compressor room
What PSI is HP air?
3000 psi
How many LP ACs are on board?
8
Low-pressure air compressors maintain how much PSI?
125 PSI
What are the two systems that use vital air?
Electronic equipment (combat systems) Control air in the main spaces
What is non-vital air?
Ship service air
What is the function of the priority Valve?
Separates a vital air from non-vital air systems when pressure drops
What PSI is the pressure valve set at?
85
What classification are the EVAPs?
6 stage
Low pressure
Flash type 100,000 gallons of distilled water per day each
Where is number two EVAP located?
Aft MMR
Where is number 1EVAP located?
Fwd MMR
What different types of water do we produce?
Potable water
Boiler/feed water
Distilled water
How many potable water pumps do we have on board?
6
What is the purpose of the possible water booster pumps?
Supply adequate pressure to the island.
How many potable water risers are on board and where are they
3
RAS1 flight deck
RAS5
OOD
How many potable water tanks are on board?
6
What is the total potable water capacity in gallons?
184,000 gallons
