Engineering Flashcards
How many catapults do we have?
4
How many catapults can we fire simultaneously?
2
How many gallons of feed water to the catapults hold?
7000 gallons
What is the minimum main steam supply pressure needed to launch an aircraft?
450 PSI
How much feed water is required to perform a catapult shot?
250 gallons
What is the trough fire suppression system?
Uses steam to smother fires
What size risers do we use to supply the catapults?
10 inch and 2 inch
How many AC units do we have?
6
What is the AC capacity?
800 tons
Remove 9,600,000 BTUs of heat
How many reefers do we have?
5
What is the reefer capacity?
7 Ton/remove 84,000 BTU’s of heat
What is the primary purpose of AC?
To keep electronic equipment cool
What is the secondary purpose of AC?
Crew comfort
TXV?
Thermal expansion valve
What is a TXV?
Used to regulate the amount of refrigerant entering the evaporator coil
How many phases are there to the refrigeration cycle?
4
What are the phases to the refrigeration cycle?
- Compression
- Condensation
- Expansion
- Evaporation
What type of refrigerant do we use on board?
R-134A (Tetraflouroethane)
How many chill water loops do we have on board?
1 to 3 loops.
What areas do the loops feed?
- Forward loop
- Midship loop
- Aft Koop
- Island loop
What is the primary function of the water regulating valve?
Maintains constant refrigerant condensation pressure by controlling the quantity of circulating water flowing through the condenser. Actuated by refrigerant pressure.
How many 02N2 Plants do we have?
2
Where are the O2N2 plants located?
- HB1 port side
* HB1 Starboard side
What are the uses of 02?
- Pilots breathing air
* Medical and dental
What are the uses of N2?
- Inflating aircraft tires
- Reboiler layups
- Pilot injection seats
What two things do you never want to have come in contact with 02?
- Petroleum products
* Open flames
What percentage of breathable air his oxygen?what percent is nitrogen?
21%
78%
At what temperature does oxygen liquefy?
Minus 297 degrees Fahrenheit
What type of nitrogen to be produced on board?
Gaseous nitrogen @ 24 SCFM @ 5000 PSIG
What are the advantages of gaseous nitrogen?
It does not expand nor contract
No static
How many list control tanks do we have?
10
Where are the list control tanks located?
- Port and starboard side
- Frames 96 to 148
- Between the fourth and sixth decks.
How many list control pumps do we have?
2
How much can each list control pumps transfer per minute?
1800 gallons
Which side of the ship has more capacity?
Portside. To offset the weight of the island.
What is our standard list during the flight operations?
1/4 to 1/2 degree to port
Where are the list control pumps located?
4A shaft alley
What other ways can we adjust the ships list?
- Move fuel
- Move aircraft
- Move Tilly
What do we use to fill the list control tanks?
Potable water/sea water in emergency situations
VCHT
Vacuum collection holding and transfer
How many VCHT plants do we have?
2
How many eductor vacuum pumps are in each plant?
10
How many nautical miles out do we need to be to pump over the side?
3 Nm
What type of toxic gas is produced during a sewage bill? What does it smell like?
H2S
Smells like rotten eggs
How many modes of steering are there?
5
What are the five modes of steering?
- Automatic
- Follow up
- Non-follow up
- Trick wheel
- Emergency
Where is the automatic mode controlled from?
- Bridge
* Pilot house
Name of the watch is stationed aft steering during restricted maneuvering?
- Helm safety O
- Master helmsmen
- Operator
- Electrician
Name of the watch stations in aft steering during normal operations
- 2 helmsman
- Steering gear operator
- Steering gear electrician
What is the maximum degree of deflection of the rudders?
- 35° starboard and port
* 30° under normal conditions
What are the maneuvering control circuit’s?
- 1JV
* X1JV cross connected
What is the restricted maneuvering doctrine for?
Operational philosophy for propulsion plan on maximum proportion and uninterrupted electrical power or vital for the safety of the ship
What is the maximum speed of rudder movement?
- 2 1/3 per second
* Full swing 35 degrees port to starboard in 30 seconds.
What is the rudder speed for emergency steering?
- 1/8 degree per second
- 25 degrees port/starboard
- 15 kts.
What is the purpose of degaussing?
To reduce the magnetic signature of the ship
How many deguassing coils do we have?
4
What are the four coil’s?
- A coil
- M coil
- FP-QP coil
- FI-QI coil
Where is the remote control panel located?
- Bridge
* Pilot house
What are the ratings for the Ship service turbine generator?
- 4160 volts
- 60 hertz
- 1388 amps
- 8 mega watts
What are the ratings for the emergency diesel generators?
- 4160 volts
- 60 hertz
- 347 amps
- 2 mega watts
What is 60 hertz power used for?
- Electronic equipment
- Radiators
- Radio
- Missile launching systems
How many aircraft elevators do we have?
4
What is the surface area of each elevator?
4000 square feet
How many weapons elevators do we have?
- 6 lower stage
* 3 upper stage
