Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
107 Cards in this Set
- Front
- Back
In the A/C&R system, what is the job of the evaporator?
|
pickup heat from the item that is being cooled
|
|
In the A/C&R system, what is a TXV and what does it do?
|
Thermal expansion valve. Regulates the flow of freon to the evaporator.
|
|
In A/C&R what is the job of the receiver?
|
a holding/storage area
|
|
what is the function of the ballast system?
|
flood well deck and correct list/trim
|
|
what does DFT stand for and what does it do?
|
De-aerating feed tank. Used to free condensate of disolved oxygen and heat the water, plus act as a resevoir for feed water
|
|
what phases of the steam cycle are the DFT in?
|
condensate/feed
|
|
what does LPAC stand for and how many do we have onboard?
|
low pressure air compressor, 2
|
|
what is H2S and where will you find it?
|
hydrogen sulfide gas; CHT tanks, can come from food waste.
|
|
name the 4 degaussing coils.
|
a-coil, m-coil, fp-qp coil, fi-qi coil
|
|
what type of diesel generators do we have?
|
caterpillar 3508B
|
|
how many 400Hz generators do we have and what does the 400Hz system do?
|
3, used for radars, aircraft starting system, gyro
|
|
what is the difference between the vent, blow, and flood valves?
|
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 |
|
what is "ABC" and where can you find it?
|
automatic boiler control, in #1, #2 MMR boiler fronts
|
|
what is ABT and why do we have them?
|
automatic bus transfer, to keep power to vital equipment.
|
|
what is the purpose of the wind indication system?
|
to give wind direction and speed relative to the ship
|
|
what does a cross-connected steam plant mean?
|
#1 boiler running 2 plants
|
|
what are the 4 phases of the steam cycle?
|
generation, expansion, condensate, feed
|
|
in the basic steam cycle, what phase does thermal energy change into mechanical energy?
|
expansion phase
|
|
which shaft is longer?
|
stbd
|
|
how many line shaft bearings on stbd side?
|
6
|
|
what type of evaps do we have?
|
3 stage flash type
|
|
how much water does one evap make per day?
|
30,000 GPD
|
|
how many A/C plants are onboard?
|
3
|
|
name the spaces that have halon distribution.
|
fwd/aft deisel, 1/2 MMR, JP-5 pump room
|
|
what is the halon time delay for 1/2 MMR and why?
|
60 sec, evac and vents
|
|
name the spaces with CO2 flooding.
|
mogas motor room
mogas pump room boat & vehicle pump room paint locker hazmat |
|
what are the CHT modes?
|
inport, at sea, transit
|
|
what is NOAP and what does NOAP do for the engineering dept?
|
Navy Oil Analysis Program, helps bring attention to possible problems & can be used for t/sing
|
|
how many AFFF zones do we have?
|
6
|
|
where is AFFF zone 6?
|
lower V aft
|
|
which HCFF feeds zone 5?
|
1
|
|
how many fire pumps onboard?
|
5
|
|
how many shore power cables?
|
8
|
|
what is the total for shore power cables?
|
1600W
|
|
what is the maximum electrical capacity of the ships service turbine generators
|
450V
60Hz 750kW 1201Amp |
|
what is jacket water?
|
coolant for the diesel engine
|
|
where is the MK-23 located?
|
IC gyro
|
|
what types of F/O are used onboard?
|
DFM, JP-5, mogas
|
|
name 5 ways to steer the ship
|
trick helm
emergency hand pump shafts chock and chain jacking bolts |
|
what is slop and what does it do?
|
steam driven L/O pump, used as a standby L/O pump for the main engine
|
|
what is the light off sequence for an eductor?
|
discharge, firemain, suction
|
|
who is the deballasting officer?
|
DCA
|
|
what is the main steam used for besides main prop?
|
SSTG's
|
|
how many fresh water storage tanks are there?
|
7
|
|
what is the total water capacity of the ship?
|
89,680 gal
|
|
what is vital air used for?
|
boiler controls
|
|
where are the LPAC's located?
|
1/2 MMR
|
|
where are 1/2 DBAC's located?
|
fwd air deballast room
|
|
what is the purpose of the air deballast system?
|
to remove water from the ballast tanks that are below the water line
|
|
how many ballast tanks onboard?
|
45
|
|
how many wing tanks onboard?
|
4
|
|
how do you fill and drain the wing tanks?
|
firemain/gravity drain
|
|
what type of boilers do we have onboard?
|
foster and wheeler D type
|
|
name the 6 categories of hazmat.
|
Flammables
Aeresols Toxics Corrosives Oxidants Compressed air |
|
what is the job of the superheater?
|
to make very dry steam
|
|
how many oil spill kits are onboard and where are they located?
|
2, pt/stbd catwalks
|
|
what color handwheel is CHT?
|
gold
|
|
what depth is needed to be reached to launch/recover an AAV?
|
6 FT
|
|
what depth is needed to be reached to launch/recover an LCU?
|
8 FT
|
|
what depth is needed to be reached to launch/recover an LCAC?
|
0-6 in.
|
|
how many deballast compressors are there?
|
5
2 fwd (4-30-2-E) 3 aft (4-200-1-E) |
|
what PSI is maintained during ballast operations?
|
10 PSI
|
|
how many hydraulic stations are there?
|
11
|
|
what 2 valves must be opened to flood 8th deck tanks?
|
sea chest and vent valve
|
|
what 2 valves must be opened to dewater 8th deck tanks?
|
sea chest and blow valves
|
|
how many AFFF stations are onboard?
|
4
|
|
what deck are the AFFF stations located on?
|
3rd deck
|
|
what AFFF stations provides bilge sprinkling in MMR 1/2?
|
station 1/2
|
|
how do you activate halon?
|
pull pin on 5lb CO2 bottle and press handle down.
|
|
where is the APC found?
|
galley
|
|
how do you activate an APC system
|
pull pin located by the exit, or at 360 degrees a fusible link melts and automatically activates the system
|
|
how many CHT tanks onboard?
|
3
|
|
what are the CHT tank capacities?
|
fwd, 5878 gal
2 aft, 8800 gal |
|
how many GPM can the CHT pumps pump?
|
300 GPM
|
|
where is the steering ram located?
|
aft steering
|
|
what is the trick wheel?
|
the wheel that you use to steer the ship when taking control in aft steering
|
|
where are the A/C plants located?
|
1. 4-175-1-E
2. 4-175-2-E 3. 4-120-2-E |
|
where are the reefer plants located?
|
7-62-0-E
|
|
where are the ships service emergency diesel generators located?
|
5-36-1-E
3-232-3-E |
|
what type of fuel do the diesel generators burn?
|
normal DFM, emergency JP-5
|
|
where are the diesel generators operated?
|
EPCC
|
|
what is the tonnage of the A/C plants?
|
200 tons
|
|
what are the batteries used for on the SSDG's?
|
for starting and powering the engines computer and touch screens
|
|
where is the emergency hand steering pump located?
|
aft steering
|
|
what is the location of the boilers?
|
1 - 1 MMR
2 - 2 MMR |
|
describe the function of the turbine forced draft blowers
|
to force feed the furnace with combustion air
|
|
describe the function of the economizer
|
to preheat the boiler water before it enters the steam drum to help make the boiler more economical to operate
|
|
describe the function of the soot blowers
|
to blow the soot off the boiler tubes
|
|
how many DFT's do we have and where are they located?
|
2
1 - 1 MMR 2 - 2 MMR |
|
explain the uses of the LP air system
|
to supply control air to the boilers and engine rooms, tool air, and combat systems dry air
|
|
describe the function of the LP air receiver
|
to store air
|
|
what is the color of an LP air hand wheel?
|
tan
|
|
what is the color of an F/O hand wheel?
|
yellow
|
|
what is the color of a L/O hand wheel?
|
yellow with black stripes
|
|
what is the chemical difference between potable water and boiler/feed water?
|
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 |
|
what is the location of the potable water pumps onboard?
|
1 - 1 MMR
2 - 2 MMR |
|
where are the SSTG's located?
|
1A/B - 1 MMR
2A/B - 2 MMR |
|
where are the shore power connections?
|
fwd boat deck bulkhead
|
|
what are the duties and responsibilities of the EDO?
|
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.
|
|
what are the duties and responsibilities of the EOOW?
|
overall responsible for the operation of the engineering plant while steaming.
|
|
describe the function of the L/O purifier
|
removes dirt and water from the L/O before it is sent to the main engine.
|
|
state the purpose and the location of the oily waste separator
|
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
|
|
where are the main thrust bearings located?
|
first bearings outside the main reduction gear on both shafts, 1 /2 MMR
|
|
where is the strut bearing located?
|
outside the skin of the ship, last bearing before the prop.
|
|
state the purpose and location of the main condenser
|
1/2 MMR under the main engine, its purpose is to condense the steam and return it to the feed system.
|
|
describe the function and color of the ahead throttle valve.
|
green, allows steam to enter the HP turbine to allow the engine to turn in the ahead direction
|
|
describe the function and color of the astern throttle valve
|
red, allows steam to enter the LP turbine to allow the engine to turn in the astern direction.
|