Shared Flashcard Set

Details

CVN-72 Engineering ESWS
ESWS TEST
336
Other
Professional
02/09/2011

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Cards

Term
- What is the purpose of list control?
Definition
Keep the flight deck level
Term
- How many Steering units do we have?
Definition
4
Term
- Where is emergency steering located?
Definition
On 2nd deck above the steering units ( 2-255-3-T / 2-255-4-T)
Term
- What are 4 ways to move the rudders?
Definition
Helm / Trick Wheel / Jam Nut / Emergency Steering
Term
- What is the minimum distance from land to discharge CHT?
Definition
3 miles
Term
- What is the capacity of the CHT tanks?
Definition
48,000 FWD / 52,000 AFT
Term
- How many AC units are there?
Definition
10
Term
- What type of AC units do we have?
Definition
Centrifugal Type
Term
- What is the capacity of our AC units?
Definition
363 tons
Term
- How many REEFER plants are onboard?
Definition
5
Term
- What type are the REEFER plants?
Definition
Reciprocating Type
Term
- What is the capacity of our REEFER plants?
Definition
7 tons
Term
- How many Cryogenic plants are there?
Definition
2
Term
- Where are they located?
Definition
HB 1 Port / HB 3 Starboard
Term
- What is the primary use of Liquid Oxygen?
Definition
Breathing air for pilots
Term
- What is the primary use of Liquid Nitrogen onboard?
Definition
Medical
Term
- What is the minimum distance from land to discharge plastics?
Definition
NEVER
Term
- How do we control the trim of the ship?
Definition
Transferring liquid forward and aft (JP-5 / Potable water)
Term
- How much JP-5 can we store?
Definition
3.5 million gallons
Term
- What is the purpose of chill water?
Definition
Cool electronic gear / spaces
Term
- Where is DC Central?
Definition
4-119-0-C
Term
- How many repair lockers are there?
Definition
10
Term
- How many AFFF stations are there?
Definition
20
Term
- How many AFFF reserve tanks are there?
Definition
2
Term
- Where are the AFFF reserve tanks located?
Definition
HB 1 Port / HB 3 Starboard
Term
- How many Range Guard systems do we have?
Definition
7
Term
- What is the actuating source for Halon?
Definition
5lb CO2 bottle
Term
- How many tanks does list control have?
Definition
10
Term
- Where are they located?
Definition
5 on port and 5 on starboard on the 4th deck
Term
- How many Pumps does list control have?
Definition
2
Term
- What is the rate of change in list control?
Definition
1.5 degrees in 20 minutes
Term
- Where is list control located?
Definition
4A shaft alley
Term
- How long is an ACPG good for in a contaminated environment?
Definition
24 hours or 6 washed in a 140-day period
Term
- What is the NFTI used for?
Definition
Finding sources of heat / trapped personnel
Term
- What powers the NFTI?
Definition
10 AA batteries
Term
- What does the Team leader do?
Definition
Directs firefighting efforts / Operated NFTI
Term
- Name 3 types of shoring?
Definition
H / I / K
Term
- What is the strongest type of shoring?
Definition
I
Term
- What is the max of a piece of shoring?
Definition
30 x the butt thickness
Term
- Classify the fire main onboard?
Definition
Composite Loop
Term
- What is the size of the fire main?
Definition
12in
Term
- What are the 4 principles of investigation?
Definition
Thoroughly / cautiously / report / repeat
Term
- How many fire pumps are onboard?
Definition
23
Term
- How many are steam and what are there numbers?
Definition
4 – 7 / 9 / 11 / 13
Term
- How many DECON stations are there and what are their locations?
Definition
3
Term
- Name some parasitic loads off the fire main?
Definition
Secondary chill water / JBD / Flushing water / Cooling lube oil / CM wash down / MAG sprinklers
Term
- What is the NFTI?
Definition
Naval firefighting Thermal Imager
Term
- What are two modes of he NFTI?
Definition
Chop/Pan
Term
- What mode of NFTI is used for fire fighting?
Definition
Chop
Term
- Where are the range guard systems located?
Definition
Galleys
Term
- At what temperature will the fusible link on the range guard melt?
Definition
360
Term
- What type of fire is the range guard used on?
Definition
Deep fat fryer fires
Term
- What spaces are covered by sprinkler systems?
Definition
Magazines, Hangar bays, flight deck, trash rooms
Term
- What is the location of the distilling plants?
Definition
2 in each MMR upper level
Term
- What does PECU stand for and what is its function?
Definition
Portable exothermic cutting unit, used to cut away damaged steel and make holes in the skin of the ship to assist in the ventilation of a fire.
Term
- What type of steam reboilers are on board?
Definition
Horizontally mounted, shell and U-tube type heat exchangers
Term
- Where are the reboilers located?
Definition
1A shaft alley;4B Shaft alley
Term
- What does CHT stand for?
Definition
Collection, Holding and trf of sewage.
Term
- What is drained into the CHT tanks?
Definition
Water closets, urinals, showers, laundry and galleys
Term
- What does a comminutor do?
Definition
Chops, chews up and grinds fragments---softens material to become fluid like
Term
- Where are the locations of the O2N2 plants?
Definition
Fwd- Hangar bay 1, port side, frame 81;Aft- Hangar bay 3, stbd side, frame 190
Term
- What are the 3 types of Navy distilling plants?
Definition
Flash type- older steam power ships/AC carriers;Reverse osmosis- installed on newer ships;Vertical Basket- subs
Term
- What is the purpose of refrigeration plants?
Definition
Maintain ship’s food storage
Term
- What is the compressor?
Definition
Prime mover---compresses LP to HP
Term
- What is the evaporator/cooling coil?
Definition
Consists of copper and aluminum tubing to cool a space
Term
- What is the condenser/heat exchanger?
Definition
High temp vapor passes trough the condenser where it is cooled and condensed by sea water
Term
- What is the receiver?
Definition
Temp storage space for the refrigerant and also as a vapor seal to keep vapor out of the liquid line to the expansion valve
Term
- What is thermal expansion valve?
Definition
Regulates the amount of refrigerant to the evaporator to maintain the temp of the space being cooled
Term
- Where are the AC plants located?
Definition
1&2- Fwd AC&R plant;3&4- Aft AC&R plant
Term
- Where are the reefer plants located?
Definition
1&2- Fwd AC&R plant;3, 4, & 5- Aft AC&R plant
Term
- Where is #5 AC plant?
Definition
#1 MMR
Term
- What is the 21st AFFF mixing station for?
Definition
The bomb farm
Term
- What is AFFF concentrate?
Definition
6&AFFF 94%Water
Term
- How are the AC elevators raised and lowered?
Definition
Hydraulic Fluid
Term
- What is the lifting capacity of the AC elevators?
Definition
130,000lbs
Term
- At what rate can electric and steam fire pumps pump?
Definition
Electric- 1000gpm;Steam- 3000gpm
Term
- What is the DCWS?
Definition
Damage Control Watch Supervisor- List control, CHT, etc
Term
- What is CSC?
Definition
Catapult Supervisory Control
Term
- What is the DCA?
Definition
Damage Control Assistant- assist CHENG
Term
- What does RADIAC stand for?
Definition
Radiation Detection Identification and Computation
Term
- What is the purpose of list control?
Definition
Keep the flight deck level
Term
- How many Steering units do we have?
Definition
4
Term
- Where is emergency steering located?
Definition
On 2nd deck above the steering units ( 2-255-3-T / 2-255-4-T)
Term
- What are 4 ways to move the rudders?
Definition
Helm / Trick Wheel / Jam Nut / Emergency Steering
Term
- What are 3 modes of CHT?
Definition
In port wastes trf via hoses to shore receiving riser;At-Sea- Soil and wastes are discharged over the side ;Transit- Collected and held in CHT tanks
Term
- What is the minimum distance from land to discharge CHT?
Definition
3 miles
Term
- What is the capacity of the CHT tanks?
Definition
48,000 FWD / 52,000 AFT
Term
- How many AC units are there?
Definition
10
Term
- What type of AC units do we have?
Definition
Centrifugal Type
Term
- What is the capacity of our AC units?
Definition
363 tons
Term
- What are the 4 phases of refrigeration?
Definition
Compression / Condensation / Evaporation / Expansion
Term
- How many REEFER plants are onboard?
Definition
5
Term
- What type are the REEFER plants?
Definition
Reciprocating Type
Term
- What is the capacity of our REEFER plants?
Definition
7 tons
Term
- How many Cryogenic plants are there?
Definition
2
Term
- Where are they located?
Definition
HB 1 Port / HB 3 Starboard
Term
- What is the primary use of Liquid Oxygen?
Definition
Breathing air for pilots
Term
- What is the primary use of Liquid Nitrogen onboard?
Definition
Medical
Term
- What is gaseous nitrogen used for onboard?
Definition
Fill A/C tires / Landing gears Wave Guides
Term
- What is the minimum distance from land to discharge plastics?
Definition
50nm only if harmful to the crew
Term
- How do we control the trim of the ship?
Definition
Transferring liquid forward and aft (JP-5 / Potable water)
Term
- How much JP-5 can we store?
Definition
3.5 million gallons
Term
- Who is the DC Officer?
Definition
CDR Simei / CHENG
Term
- What is the purpose of chill water?
Definition
Cool electronic gear / spaces
Term
- Where is DC Central?
Definition
4-119-0-C
Term
- When does the ship check material conditions?
Definition
0630 & 1630
Term
- How many repair lockers are there?
Definition
10
Term
- How many AFFF stations are there?
Definition
20
Term
- How many AFFF reserve tanks are there?
Definition
2
Term
- Where are the AFFF reserve tanks located?
Definition
HB 1 Port / HB 3 Starboard
Term
- How many Range Guard systems do we have?
Definition
7
Term
- Where are they located?
Definition
Galleys for Deep Fat Fryers
Term
- How many spaces do fixed CO2 stations cover?
Definition
14
Term
- What does CO2 do to the fire triangle?
Definition
Displaces Oxygen
Term
- What spaces are covered by Halon?
Definition
Pump Rooms
Term
- What is the time delay used for?
Definition
Secure ventilation / Evacuation of space
Term
- What is the actuating source for Halon?
Definition
5lb CO2 bottle
Term
- How many tanks does list control have?
Definition
10
Term
- Where are they located?
Definition
5 on port and 5 on starboard on the 4th deck
Term
- How many Pumps does list control have?
Definition
2
Term
- What is the rate of change in list control?
Definition
1.5 degrees in 20 minutes
Term
- At what gpm are the tanks capable of pumping?
Definition
1800 at 30psi
Term
- Where is list control located?
Definition
4A shaft alley
Term
- What does MOPP stand for?
Definition
Mission Orientated Protective Posture
Term
- What happens when the ship goes from MOPP level 2 to 3?
Definition
GQ is sounded
Term
- At what MOPP level do we carry our gas mask?
Definition
MOPP level 2
Term
- When is M8 and M9 paper placed throughout the ship?
Definition
MOPP level 2
Term
- What is M8 /M9 paper used for?
Definition
Chemical detection
Term
- How long is an ACPG good for in a contaminated environment?
Definition
24 hours or 6 washed in a 140-day period
Term
- What is the M-256-A1 kit used for?
Definition
Detection of Nerve / Blister / Blood agents
Term
- What is a self-aid for a nerve agent?
Definition
Atropine / 2 PAM Chloride
Term
- What is the M-291 kit used for?
Definition
Self aid DECON kit
Term
- What color triangle is used for BIO identification?
Definition
Blue
Term
- What color triangle is used for CHEMICAL identification?
Definition
Yellow
Term
- What color triangle is used for NUCLEAR identification?
Definition
White
Term
- What size of fire hoses do we have?
Definition
1 ½ / 2 ½ / 4 inch
Term
- What is the NFTI used for?
Definition
Finding sources of heat / trapped personnel
Term
- What powers the NFTI?
Definition
10 AA batteries
Term
- What is the power source for an electrical submersible pump?
Definition
440 AC
Term
- Who is in charge of the scene of damage?
Definition
On Scene Leader
Term
- What does the Team leader do?
Definition
Directs firefighting efforts / Operated NFTI
Term
- What is the main damage control circuit?
Definition
2JZ
Term
- Name 4 types of patches?
Definition
Soft patch / Jubilee / Banding / EWARP
Term
- What is the max PSI a soft patch can hold?
Definition
150 PSI
Term
- Name 3 types of shoring?
Definition
H / I / K
Term
- What is the strongest type of shoring?
Definition
I
Term
- What is the max of a piece of shoring?
Definition
30 x the butt thickness
Term
- Classify the fire main onboard?
Definition
Composite Loop
Term
- What is the size of the fire main?
Definition
12in
Term
- What 2 poison gases are given off by HALON 1301 in flame?
Definition
Hydrogen Fluoride / Hydrogen Bromide
Term
- What are the 4 principles of investigation?
Definition
Thoroughly / cautiously / report / repeat
Term
- How many fire pumps are onboard?
Definition
23
Term
- How many are steam and what are there numbers?
Definition
4 – 7 / 9 / 11 / 13
Term
- How many DECON stations are there and what are their locations?
Definition
3 – DC&R berthing / Medical P-Way / Below Repair 1A (by trash RM#4)
Term
- Name some parasitic loads off the fire main?
Definition
Secondary chill water / JBD / Flushing water / Cooling lube oil / CM wash down / MAG sprinklers
Term
- What is meant by composite loop?
Definition
A loop goes horizontal and one goes vertical for the island
Term
- What is the NFTI?
Definition
Naval firefighting Thermal Imager
Term
- What are two modes of he NFTI?
Definition
Chop/Pan
Term
- What mode of NFTI is used for fire fighting?
Definition
Chop
Term
- What type of wood do we use for shoring?
Definition
Soft woods
Term
- How long must you wait before entering a space flooded with HAON?
Definition
15 minutes
Term
- When is Material Condition X-ray set?
Definition
All the time
Term
- When is material yoke set?
Definition
0630
Term
- When is material condition circle zebra set?
Definition
During zebra when battle dressing becomes necessary
Term
- What are 4 phases of the refrigeration cycle?
Definition
Compression, condensation, evaporation, expansion
Term
- What does DCTT stand for?
Definition
Damage Control trng team
Term
- What bills and doctrines are located in the repair par manual?
Definition
Main space fire doctrine, CBR defense bills, Casualty power bill, battle bill battle messing bill, and abandon ship bill
Term
- Where are the range guard systems located?
Definition
Galleys
Term
- At what temperature will the fusible link on the range guard melt?
Definition
360
Term
- What type of fire is the range guard used on?
Definition
Deep fat fryer fires
Term
- What spaces are covered by sprinkler systems?
Definition
Magazines, Hangar bays, flight deck, trash rooms
Term
- What supplies the sprinkler system?
Definition
Fire main
Term
- Who has to give the order to flood a magazine?
Definition
CO
Term
- What type of water does list control use?
Definition
Fresh
Term
- What is the ideal pressure we maintain our fire main pressure at?
Definition
150PSI
Term
- What type of chemical suit do we use?
Definition
ACPG
Term
- How long will a MCU-2P canister last in a contaminated evnviorment?
Definition
30 days
Term
- What do we use to decontaminate the ship?
Definition
Calcium Hypochlorite
Term
- How do we determine f we have been contaminate by a biological agent?
Definition
Number of personnel will come up with the same sickness in a short amount of time
Term
- What are some delivery methods of a biological attack?
Definition
Pathogen, Aerosol, Liquid
Term
- What is MPE and who sees it?
Definition
Maximum Permissible Exposure, CO
Term
- What is potable water?
Definition
Water used for general services throughout the ship
Term
- What is feed water?
Definition
Highly pure feed water, used for make-up water in the steam and reactor plants
Term
- What is the location of the potable water pumps?
Definition
Main machinery room, lower level
Term
- Where is the location of the potable water risers?
Definition
MMR
Term
- What is the location of the chlorinator?
Definition
MMR Upper level
Term
- What is the location of the distilling plants?
Definition
2 in each MMR upper level
Term
- What is the purpose of the ship’s service 60Hz/4160V electrical distribution system?
Definition
Generate, control, and distribute power to meet the requirements of the ships electrical loads
Term
- What are the steaming conditions?
Definition
Normal steaming line up, normal shore power line up, loss of ship’s generator during normal steaming operations
Term
- What is HP?
Definition
High pressure
Term
- What are the high-pressure air compressors (HPACs)?
Definition
Located on the 4th deck of each MMR. Supplies compressed air at 5000psig and reduced pressure to propulsion plant services
Term
- What is LP?
Definition
Low pressure
Term
- What is the function of LP?
Definition
Supplied by 3 ships service air compressors (SACs) one in each MMR, and one located in #2 Reactor room all on the upper level. Supplies air of about 110-125
Term
- What is the purpose and location of the control air compressors?
Definition
Supplied by 4 control air compressors, one located in each MMR and RAR on the upper level. Supplies about 70-80psig
Term
- What type of distilling plant is OB and what is it’s max daily distilling capacity?
Definition
Low pressure 6 stage flash type evaporator, 1000,000 gallons per day each (4 total)
Term
- What is the shoring battan used for?
Definition
Used to assist in constructing a K type shoring structure
Term
- When using the PECU who’s permission is required before cutting into the bulkheads or decks?
Definition
The CO
Term
- What portable extinguisher is used on a class Charlie fire?
Definition
CO2
Term
- What portable extinguisher is used on a class bravo fire?
Definition
AFFF and PKP
Term
- When using an inline eductor how long will one 5gal jug of afff last?
Definition
1 minute
Term
- What does PECU stand for and what is its function?
Definition
Portable exothermic cutting unit, used to cut away damaged steel and make holes in the skin of the ship to assist in the ventilation of a fire.
Term
- What is the RAM FAN used for?
Definition
Removal of toxic gases and smoke
Term
- What is the power source of the RAM FAN?
Definition
Fire main
Term
- What are the 2 sizes of steel shoring?
Definition
3-5 ft and 6-11 ft
Term
- What re the different types of patch piping repairs?
Definition
EWARP, soft patch, banding, jubilee
Term
- What is the min range manning of a 1 ½ in fire hose?
Definition
1-3 personnel
Term
- What is the job of the access person?
Definition
To access the damaged space
Term
- What is indirect fire fighting?
Definition
Attacking the fire from the reflection and deflection
Term
- What is active desmoking?
Definition
Desmoking the fire boundary while attacking the fire
Term
- What is WRV?
Definition
Water regulating valve
Term
- What is the purpose of the WRV?
Definition
Controls compressor discharge pressure by regulating the amount of seawater flowing through the condenser
Term
- What is the primary and secondary purpose of the A/Cs?
Definition
Primary- cooling electronic equipment; Secondary—comfortable environment for the crew
Term
- How many ac plants do we have and what is there capacity?
Definition
10, 363 tons
Term
- How many refrigeration units do we have and what is their capacity?
Definition
5-7tons
Term
- What are the 4 stages of a steam cycle?
Definition
Generation-the production of steam; Expansion- turning the steam into work ;Condense- turning of liquid to steam; Feed- holds ship steam and spreads around the ship
Term
- What type of steam reboilers are on board?
Definition
Horizontally mounted, shell and U-tube type heat exchangers
Term
- Where are the reboilers located?
Definition
1A shaft alley; 4B Shaft alley
Term
- What does the reboiler heating steam system do?
Definition
Supplies steam from the main steam/reboiler reducing station to the tube side of the reboiler
Term
- What is the function of the reboiler heating steam drain?
Definition
Directs the steam from the tube side of the reboiler to the De-aerating Feed Tank (DFT) via the feed heater/drain cooler
Term
- What is the function of the reboiler steam system?
Definition
To supply steam to major loads
Term
- What is the function of the reboiler feed?
Definition
Supplies feed water from the Low Pressure Steam Drain Collection Tank (LPSDCT) to the reboiler
Term
- What does CHT stand for?
Definition
Collection, Holding and trf of sewage.
Term
- What is drained into the CHT tanks?
Definition
Water closets, urinals, showers, laundry and galleys
Term
- What does a comminutor do?
Definition
Chops, chews up and grinds fragments---softens material to become fluid like
Term
- What is H2S?
Definition
Hydrogen Sulfide
Term
- Where are the locations of the O2N2 plants?
Definition
Fwd- Hangar bay 1, port side, frame 81; Aft- Hangar bay 3, stbd side, frame 190
Term
- What is LOX?
Definition
Liquid O2
Term
- What is LOX used for?
Definition
To aid pilots with breathing air in high altitudes
Term
- What color are O2 systems?
Definition
Green
Term
- What color are Nitrogen Systems?
Definition
Light Gray
Term
- What does A coil stand for?
Definition
Athwart ship Coil
Term
- What does M coil stand for?
Definition
Main Coil
Term
- What is an FP-QP coil?
Definition
Forecastle permanent-Quarterdeck permanent
Term
- What is an FI-QI coil?
Definition
Forecastle induced-Quarterdeck induced
Term
- What is the purpose of the degaussing switchboard?
Definition
To produce and control degaussing coil currents
Term
- What is the purpose of the remote control pane?
Definition
Provide remote indications of coil currents and indicator lights
Term
- How many JP5 service tanks are in the aft part of the ship?
Definition
12
Term
- Where is the remote control panel located?
Definition
09 level chart room
Term
- What is the purpose of the ship’s service 60 Hz/450V Electrical Distribution systems?
Definition
Distribute power to meet requirements of the ship’s electrical loads.
Term
- How many ship service switchboards are there?
Definition
8
Term
- What do they do?
Definition
Control the flow of power.
Term
- What is EPCP?
Definition
Electric plant control panel.
Term
- How many high voltage shore power terminals are there?
Definition
2
Term
- What is SSTG?
Definition
Ship service turbine generators
Term
- How many SSTG are onboard?
Definition
4
Term
- What is SSTG function?
Definition
To produce power
Term
- What is the oily waste water pump?
Definition
A pump used to transfer oily waste within the ship
Term
- What are deck connections?
Definition
Piping risers that allow the ship to transfer oily waste at port
Term
- What is an oily water bilge sump-tank?
Definition
Tank is an inner bottom tank-collect bilge fluids that drain into the tank though grating
Term
- What is the CHENG and what is he/she responsible for?
Definition
Chief Engineer- overall responsible for all engineering
Term
- What is MPA?
Definition
Main Propulsion Assistant
Term
- What is the EOOW and what is he responsible for?
Definition
Engineering Officer of the watch- responsible for safety and security underway
Term
- What is the EDO and what is he responsible for?
Definition
Engineering Duty Officer---Acts for the CHENG when not OB
Term
- What is the responsibility for the Cold iron watch/in port equipment monitor?
Definition
A security/fire watch when the plant is secured
Term
- What is the responsibility of the sound and security watch?
Definition
Makes rounds sounding voids and checking for fires
Term
- What is the gas free engineer?
Definition
Tests all tanks and voids prior to personnel entering spaces
Term
- What is the fire Marshall?
Definition
In charge of all repair lockers’ equipment and gas free evolutions OB
Term
- What is the engineering log?
Definition
List of all engineering evolutions, plant configurations, hours, miles steamed, and draft reports
Term
- How long is the legal log contained for?
Definition
3 yrs
Term
- What is the daily fuel and water report?
Definition
Fresh-feed potable water, lube fuel oil, JP-5, and daily usage
Term
- What is the NSTM?
Definition
Naval Ships’ Technical Manual—basic information for equipment
Term
- What are engineering standing orders?
Definition
Order instructions that the engineer puts out pertaining to watch standing and equipment
Term
- What Is the SIB?
Definition
Ship Information book—operating guide to specifics of the ship---drawings, and diagrams
Term
- What is EDORM?
Definition
Engineering Department Organization manual---COC responsibilities
Term
- What is the engineering operational sequencing system?
Definition
Step by step procedures starting and clearing equipment and controlling casualties to equipment within the plant
Term
- What is boat report?
Definition
Checklist to ensure the boat is operational and be launched if needed- daily 0800
Term
- What does the checklist include?
Definition
Starting the boat, checking the oils, etc
Term
- What are operational logs?
Definition
Hand written machinery logs
Term
- What are jacking over a main engine/reduction gears, shafting and propellers?
Definition
Used to turn the shaft slowly to prevent the shaft from bowing when hot
Term
- What is stopping and locking the shaft?
Definition
Used to prevent the shaft from turning
Term
- What are refueling operations?
Definition
Receiving, trf, off loading
Term
- What is a full power trial?
Definition
Running full propulsion power for a length of time for testing
Term
- What is the function of the internal combustion engine?
Definition
To convert rotor motion into work for propulsion or emergency use.
Term
- What are the gas turbines used for?
Definition
Propulsion and powering generators.
Term
- What are steam turbines used for?
Definition
Propulsion turning generators and auxiliary pumps
Term
- What the purpose of the prime mover and reduction gears?
Definition
Combination of gears and shafts that reduce the speed.
Term
- What are the lube oil pumps?
Definition
Electric driven, steam driven or attacked to reduction gears. Used to supply lube oil to the main engines and reductions gears
Term
- What is the main thrust bearing?
Definition
Transmits the thrust of the propeller to hull
Term
- What are line shaft bearings?
Definition
Supports the line shaft
Term
- What are bulkhead stuffing boxes?
Definition
Allows the line shaft to pass through the bulkhead and maintain watertight integrity.
Term
- What is the stern tube stuffing box?
Definition
Allows the shaft to penetrate the hull of the ship while still maintaining watertight integrity.
Term
- What is a shaft seal?
Definition
Seals the shaft as it penetrates the hull
Term
- What is an inflatable shaft seal?
Definition
Used when maintance is needed when the ship is waterborne filled with nitrogen
Term
- What is the stern tube bearing?
Definition
Water lubricated bearing located where the shaft passes throughout the hull
Term
- What is a strut bearing?
Definition
Supports the tail shaft outside the ship. Cooled with seawater.
Term
- Define the following compressed system parameters:
Definition
HP: 3500-4500 PSI;MP: 110-500 PSI;LP: 80-120 PSI
Term
- What is the difference between vital and non-vital air?
Definition
Vital air is used for electronic equipment and engineering
Term
- Non-vital air used for:
Definition
Laundry,etc.
Term
- What are priority valves?
Definition
A valve that has a preset value that will automatically shout and secure non-vital air.
Term
- What are air receiver/flask?
Definition
Large tanks that store compressed air
Term
- What are the dehydrators?
Definition
Remove the moisture from compressed air
Term
- What is HP/LP high pressure connects?
Definition
Allow ship to cross connect Hp to LP in event of LP air casualty
Term
- What is the basic function of the potable water service/trf system?
Definition
-Potable water used to supply potable water; -trf system is used to trf water to other ships
Term
- What are potable water storage tanks?
Definition
Stores drinking water on ship---holds 485,000gal
Term
- What is a bow manifold?
Definition
Arrangement of bows that allow operator to line up various tanks to the portable water system
Term
- What are the fresh water pumps?
Definition
Pumps potable water to tanks throughout the ship
Term
- What is hypochlorinators/Brominator?
Definition
Automatic feed injection system---20% of potable water goes to brominator
Term
- What is the special handling and storage requirements for calcium hypo chloride?
Definition
Stored in a vented metal locker in vented space—do not store with flammables, mix only with water
Term
- What are the 3 types of Navy distilling plants?
Definition
Flash type- older steam power ships/AC carriers;Reverse osmosis- installed on newer ships;Vertical Basket- subs
Term
- What are the safety/sanitation requirements for handling shore source fresh water?
Definition
Must be tested first, connect water, CHT; disconnect CHT, disconnect water
Term
- What are special handling and storage requirements for Bromide cartridges?
Definition
Do not store with oil based materials, must wear PPE. Bromide is caustic
Term
- What is the purpose of the Ship’s service electrical distribution system?
Definition
Distribute 60hz power to various ship’s loads through load enters and powers panel
Term
- Where are the switchboards located?
Definition
4th deck
Term
- What are ship service/emergency generators?
Definition
Makes 4160bac, 1338amps, 3 phase locate in MMR 1 and 2---used when we have a power casualty
Term
- How many major switchboards regarding steam generators are there?
Definition
4
Term
- What are bus ties?
Definition
Connect the switchboards. Acts as a circuit breaker for each SSTG
Term
- What are disconnect links?
Definition
Disconnect switchboards
Term
- What are circuit breakers?
Definition
Protects equipment from current overload---automatically open and secure power to the equipment
Term
- What is an automatic bus trf?
Definition
Automatically sense when primary power is lost and switches to alternate power
Term
- What is manual bus trf?
Definition
Must be switched over to alternate power when primary power is lost
Term
- What is the purpose of refrigeration plants?
Definition
Maintain ship’s food storage, we use 5 York 7 ton reciprocating refer units
Term
- What is the compressor?
Definition
Prime mover---compresses LP to HP
Term
- What is known as the prime mover?
Definition
The compressor
Term
- What is the evaporator/cooling coil?
Definition
Consists of copper and aluminum tubing to cool a space
Term
- What is the condenser/heat exchanger?
Definition
High temp vapor passes trough the condenser where it is cooled and condensed by sea water
Term
- What is the receiver?
Definition
Temp storage space for the refrigerant and also as a vapor seal to keep vapor out of the liquid line to the expansion valve
Term
- What is thermal expansion valve?
Definition
Regulates the amount of refrigerant to the evaporator to maintain the temp of the space being cooled
Term
- What is the purpose of the steering system?
Definition
To turn the rudders
Term
- What are the steering motors?
Definition
Double ended electric motor that drives two steering pumps per steering unit
Term
- What are steering pumps?
Definition
Prime mover of hydraulic fluid
Term
- What is steering gear?
Definition
Transfers movement of the hydraulic rams to a rotational movement that acts on the rudderstock and rudder
Term
- What are the different methods of operation the steering gear?
Definition
Fro the bridge using the helm wheel; In aft steering using the trick wheel; In aft emergency steering using emergency steering units; In the Ram room using the hand ranch assembly; From the bridge using the Non-follow-up toggle switch
Term
- What is the purpose of the degaussing system?
Definition
To reduce the magnetic signature of the ship
Term
- What is the purpose of the ship’s degaussing folder?
Definition
To test the degaussing system
Term
- What is the purpose of the F/O quality management program?
Definition
Used to track the quality of Fuel on ship
Term
- What is the purpose of the lube oil quality management program?
Definition
Lube oil in all operating equipment in the engineering plant that will be sampled
Term
- What is the purpose of NOAP (Navy Oil Analysis Program)?
Definition
Al l lube oil in equipment will be tested
Term
- What is the purpose of shipboard oil pollution abatement program?
Definition
Gives guidance on when and what type of liquid the ship can discharge over the side
Term
- What is the purpose of the Oil Spill Containment Kit?
Definition
A kit put together to help in case of a spill
Term
- What is the purpose of the oil spill containment boom/trawler?
Definition
Used in the water to contain the oil when spilled
Term
- What is the purpose of the marine sanitation device?
Definition
Holding tanks, pumps, and associated valves
Term
- What do you need to wear when cleaning up a spill?
Definition
Rubber boots, gloves, disposable coveralls, and face shield. Wisk dyne and Bed dyne are used as disinfectants
Term
- Where are the AC plants located?
Definition
1&2- Fwd AC&R plant; 3&4- Aft AC&R plant
Term
- Where are the reefer plants located?
Definition
1&2- Fwd AC&R plant;3, 4, & 5- Aft;AC&R plant
Term
- Where is #5 AC plant?
Definition
#1 MMR
Term
- Where is the fwd O2N2 plant?
Definition
Hangar 1, Port, Frame 81
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