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107 Cards in this Set
- Front
- Back
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In the A/C&R system, what is the job of the evaporator?
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pickup heat from the item that is being cooled
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In the A/C&R system, what is a TXV and what does it do?
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Thermal expansion valve. Regulates the flow of freon to the evaporator.
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In A/C&R what is the job of the receiver?
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a holding/storage area
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what is the function of the ballast system?
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flood well deck and correct list/trim
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what does DFT stand for and what does it do?
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De-aerating feed tank. Used to free condensate of disolved oxygen and heat the water, plus act as a resevoir for feed water
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what phases of the steam cycle are the DFT in?
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condensate/feed
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what does LPAC stand for and how many do we have onboard?
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low pressure air compressor, 2
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what is H2S and where will you find it?
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hydrogen sulfide gas; CHT tanks, can come from food waste.
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name the 4 degaussing coils.
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a-coil, m-coil, fp-qp coil, fi-qi coil
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what type of diesel generators do we have?
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caterpillar 3508B
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how many 400Hz generators do we have and what does the 400Hz system do?
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3, used for radars, aircraft starting system, gyro
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what is the difference between the vent, blow, and flood valves?
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flood valve - hydraulic
vent/blow - motor operated flood - lets sea water in blow - pushes air into the tank to push water out vent - lets air out of tank |
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what is "ABC" and where can you find it?
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automatic boiler control, in #1, #2 MMR boiler fronts
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what is ABT and why do we have them?
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automatic bus transfer, to keep power to vital equipment.
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what is the purpose of the wind indication system?
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to give wind direction and speed relative to the ship
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what does a cross-connected steam plant mean?
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#1 boiler running 2 plants
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what are the 4 phases of the steam cycle?
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generation, expansion, condensate, feed
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in the basic steam cycle, what phase does thermal energy change into mechanical energy?
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expansion phase
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which shaft is longer?
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stbd
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how many line shaft bearings on stbd side?
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6
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what type of evaps do we have?
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3 stage flash type
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how much water does one evap make per day?
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30,000 GPD
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how many A/C plants are onboard?
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3
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name the spaces that have halon distribution.
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fwd/aft deisel, 1/2 MMR, JP-5 pump room
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what is the halon time delay for 1/2 MMR and why?
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60 sec, evac and vents
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name the spaces with CO2 flooding.
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mogas motor room
mogas pump room boat & vehicle pump room paint locker hazmat |
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what are the CHT modes?
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inport, at sea, transit
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what is NOAP and what does NOAP do for the engineering dept?
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Navy Oil Analysis Program, helps bring attention to possible problems & can be used for t/sing
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how many AFFF zones do we have?
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6
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where is AFFF zone 6?
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lower V aft
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which HCFF feeds zone 5?
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1
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how many fire pumps onboard?
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5
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how many shore power cables?
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8
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what is the total for shore power cables?
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1600W
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what is the maximum electrical capacity of the ships service turbine generators
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450V
60Hz 750kW 1201Amp |
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what is jacket water?
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coolant for the diesel engine
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where is the MK-23 located?
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IC gyro
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what types of F/O are used onboard?
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DFM, JP-5, mogas
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name 5 ways to steer the ship
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trick helm
emergency hand pump shafts chock and chain jacking bolts |
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what is slop and what does it do?
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steam driven L/O pump, used as a standby L/O pump for the main engine
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what is the light off sequence for an eductor?
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discharge, firemain, suction
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who is the deballasting officer?
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DCA
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what is the main steam used for besides main prop?
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SSTG's
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how many fresh water storage tanks are there?
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7
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what is the total water capacity of the ship?
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89,680 gal
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what is vital air used for?
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boiler controls
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where are the LPAC's located?
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1/2 MMR
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where are 1/2 DBAC's located?
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fwd air deballast room
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what is the purpose of the air deballast system?
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to remove water from the ballast tanks that are below the water line
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how many ballast tanks onboard?
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45
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how many wing tanks onboard?
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4
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how do you fill and drain the wing tanks?
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firemain/gravity drain
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what type of boilers do we have onboard?
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foster and wheeler D type
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name the 6 categories of hazmat.
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Flammables
Aeresols Toxics Corrosives Oxidants Compressed air |
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what is the job of the superheater?
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to make very dry steam
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how many oil spill kits are onboard and where are they located?
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2, pt/stbd catwalks
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what color handwheel is CHT?
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gold
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what depth is needed to be reached to launch/recover an AAV?
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6 FT
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what depth is needed to be reached to launch/recover an LCU?
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8 FT
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what depth is needed to be reached to launch/recover an LCAC?
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0-6 in.
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how many deballast compressors are there?
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5
2 fwd (4-30-2-E) 3 aft (4-200-1-E) |
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what PSI is maintained during ballast operations?
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10 PSI
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how many hydraulic stations are there?
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11
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what 2 valves must be opened to flood 8th deck tanks?
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sea chest and vent valve
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what 2 valves must be opened to dewater 8th deck tanks?
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sea chest and blow valves
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how many AFFF stations are onboard?
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4
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what deck are the AFFF stations located on?
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3rd deck
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what AFFF stations provides bilge sprinkling in MMR 1/2?
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station 1/2
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how do you activate halon?
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pull pin on 5lb CO2 bottle and press handle down.
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where is the APC found?
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galley
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how do you activate an APC system
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pull pin located by the exit, or at 360 degrees a fusible link melts and automatically activates the system
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how many CHT tanks onboard?
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3
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what are the CHT tank capacities?
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fwd, 5878 gal
2 aft, 8800 gal |
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how many GPM can the CHT pumps pump?
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300 GPM
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where is the steering ram located?
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aft steering
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what is the trick wheel?
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the wheel that you use to steer the ship when taking control in aft steering
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where are the A/C plants located?
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1. 4-175-1-E
2. 4-175-2-E 3. 4-120-2-E |
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where are the reefer plants located?
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7-62-0-E
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where are the ships service emergency diesel generators located?
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5-36-1-E
3-232-3-E |
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what type of fuel do the diesel generators burn?
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normal DFM, emergency JP-5
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where are the diesel generators operated?
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EPCC
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what is the tonnage of the A/C plants?
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200 tons
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what are the batteries used for on the SSDG's?
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for starting and powering the engines computer and touch screens
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where is the emergency hand steering pump located?
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aft steering
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what is the location of the boilers?
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1 - 1 MMR
2 - 2 MMR |
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describe the function of the turbine forced draft blowers
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to force feed the furnace with combustion air
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describe the function of the economizer
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to preheat the boiler water before it enters the steam drum to help make the boiler more economical to operate
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describe the function of the soot blowers
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to blow the soot off the boiler tubes
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how many DFT's do we have and where are they located?
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2
1 - 1 MMR 2 - 2 MMR |
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explain the uses of the LP air system
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to supply control air to the boilers and engine rooms, tool air, and combat systems dry air
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describe the function of the LP air receiver
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to store air
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what is the color of an LP air hand wheel?
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tan
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what is the color of an F/O hand wheel?
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yellow
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what is the color of a L/O hand wheel?
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yellow with black stripes
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what is the chemical difference between potable water and boiler/feed water?
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potable water is treated with bromide or chlorine to kill bacteria to make it safe to drink.
boiler/feed water is treated with boiler chemicals to maintain boiler chemistry and is not safe to drink |
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what is the location of the potable water pumps onboard?
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1 - 1 MMR
2 - 2 MMR |
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where are the SSTG's located?
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1A/B - 1 MMR
2A/B - 2 MMR |
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where are the shore power connections?
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fwd boat deck bulkhead
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what are the duties and responsibilities of the EDO?
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overall responsible for the entire engineering plant and its operation when the ship is inport and cold iron. Also responsible for all the fire fighting efforts in the DCA's absence.
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what are the duties and responsibilities of the EOOW?
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overall responsible for the operation of the engineering plant while steaming.
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describe the function of the L/O purifier
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removes dirt and water from the L/O before it is sent to the main engine.
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state the purpose and the location of the oily waste separator
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located in 1 MMR, purpose is to remove oil from bilge water and allow the water to be pumped over the side without polluting the ocean
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where are the main thrust bearings located?
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first bearings outside the main reduction gear on both shafts, 1 /2 MMR
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where is the strut bearing located?
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outside the skin of the ship, last bearing before the prop.
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state the purpose and location of the main condenser
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1/2 MMR under the main engine, its purpose is to condense the steam and return it to the feed system.
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describe the function and color of the ahead throttle valve.
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green, allows steam to enter the HP turbine to allow the engine to turn in the ahead direction
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describe the function and color of the astern throttle valve
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red, allows steam to enter the LP turbine to allow the engine to turn in the astern direction.
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