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Lee_d
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What are the Eng at sea watches?
Cheng, ECOW (engineering chief of the watch), CAO (chief auxiliary operator), DCWS (damage control watch sup), CEW (chief electrical watch), Cat-Sup (catapult supervisor), Hypo (hydraulics operator), Ace rovers, Cat Mech (catapult mechanic)
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What are the Eng at sea and in port watches?
SSP (sound and security patrol), LCR (load center rover), AMO (aux machinery operator)
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What are the engineering in port watches?
EDO (engineering duty officer), EDCPO (engineering duty chief petty officer), EWS (engineering watch sup)
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How many list control pumps are there?
2
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How many places can the list pumps be operated from, and where are they?
- 2;
- Locally in 4A shaft alley and in DCC
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What is the rating of the list control pumps?
1800 GPM
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What is the purpose of list control?
Distribute water port and stbd to compensate for ship's list and aircraft launch/recovery
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What type of water is in the list control tanks?
Potable Water
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How many list control tanks are there and what sides are they located?
10; 5 port, 5 stbd
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In regards to list control pumps, how many degrees can be corrected in 20 minutes?
1.5 degrees
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Who operates list control?
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What is the purpose of degaussing?
Reduces ships magnetic signature to help avoid detection by submarines and mines
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What are the degaussing coils and their purposes?
- A-Coil: counters ship's athwartship magnetization; automatic coil
- M-Coil: counters ship's vertical magnetization; manual coil
- FP-QP coil: counter ship's longitudinal permanent magnetization; not used yet
- FI-QI coil: counter ship's longitudinal induced magnetization; automatic coil
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What is the purpose of liquid oxygen?
Breathing air for pilots
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What is the total storage capacity of oxygen?
1500 gallons
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What is the total storage capacity of nitrogen?
1500 gallons
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Major hazards associated with liquid oxygen?
accelerant and explosive
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Major hazard associated with liquid nitrogen?
asphyxiation
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What PPE are needed for cryogenics?
leather gloves, face shield, rubber apron, LOX coveralls, LOX boots
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How many O2N2 plants are there and where are they?
2; HB1 Port and HB3 Stbd
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During a cryogenic spill, who is in charge?
The cryogenic operator
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What is the purpose of the AC plants
cool electronic equipment
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How many AC units do we have?
10
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What type of AC units do we use?
York 363 ton, centrifugal
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What is the purpose of refrigeration plants?
Ships stores, perishables, supplies
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What type of refers (refrigeration units) do we have? How many?
- York 7 ton, reciprocating
- 5
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Explain the refrigeration cycle
Compression (compressor) - Condensation (condenser) - Expansion (TXV) - Evaporation (coils)
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What is the purpose of steering (rudders)?
- [KNOW THIS VERBATIM]
- attain and maintain desired ship's heading
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How many steering gears (rudders) do we have?
2
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Name the 4 means/places steering can be controlled from?
- Bridge using the helm
- In aft steering using the trick wheel or emergency steering units
- In the ram room using the hand wrench assembly
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What is the purpose of the ACE?
move aircraft from flight deck to hangar bay and vice versa
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How many ACEs do we have and what are the special features of each?
- 4
- 1 - Disneyland Stop - Stop midway at AIMD shop
- 2 - Nothing
- 3 - b&a crane interlock (must be at HB level to operate crane)
- 4 - part of the flight deck, pri-fly controls it
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What pieces of equipment are in the elevator machinery spaces?
- 4 hydraulic pumps
- 20 wire ropes
- 3 stantion groups
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What load centers are associated with each ACE?
- 1 - LC 45
- 2 - LC 51
- 3 - LC 81
- 4 - LC 82
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What is the working capacity of the ACE?
120-130 thousand lbs
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What is the weight of the elevator platform?
255,000 lbs
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The elevator machinery is what type of system?
Electro-hydraulic
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What does B&A stand for?
Boat and airplane
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What is the B&A crane used for?
Moving boats in and out of the water and transporting damaged aircraft
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What is the capacity of the main hook on the B&A crane?
50,000 lbs
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What is the capacity of the B&A whip?
25,000 lbs
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What does CHT stand for?
Collection, holding, and transfer
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How many CHT pumps are onboard?
6
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How many CHT tanks are onboard? Where on the ship are they?
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What is the rating of the CHT pumps?
400 gpm
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Define different modes of CHT operation.
- Inport - pumping to the pier
- Transit - holding in tanks (3 miles waste drains, 12 miles solid drains)
- Underway - overboard (50 miles oily waste diverted)
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What is the main hazard of CHT?
H2S (hydrogen sulfide)
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What is the purpose of the catapults and their normal operating pressure?
launching aircraft; 520+/-10#
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Where are the catapult steam accumulators?
01 Level
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What is the normal water required for the catapult accumulators?
45 inches
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Define Catapult Supervisory Control (CSC)
reactor controls steam to catapults; prevents drawing too much at once
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What is used for fire suppression in catapult spaces?
Steam smothering
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What are the catapult load centers?
- 1 - LC 33
- 2 - LC 34
- 3 & 4 - LC 66
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What are the engineering department watches in DCC and their responsibilities?
- ECOW - Engineering chief of the watch - Responsible for all ENG dept equpment
- CAO - Chief auxiliaries operator - Coordinates and manages all auxiliary div equipment
- DCWS - Damage control watch supervisor - oversees the yoke log, CHT, and List control
- CEW - Chief Electrical watch - Responsible for load centers outside reactor plants
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What is liquid nitrogen used for?
aircraft systems, jet tires, freeze seals
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What is the refrigerant for the AC units?
R236FA
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What is the refrigerant for the reefers?
R134A
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Where is #9 AC unit?
7-25-0-E
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Where are #1 & #2 AC units?
6-44-0-E
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Where are #1 & #2 Reefers?
6-44-0-E
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Where is #5 AC unit?
1 MMR
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Where is #6 AC unit?
2 RAR
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Where is #7 AC unit?
2 MMR
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Where are #3 & #4 AC units?
7-180-0-E
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Where are #3, 4, and 5 reefers?
7-180-0-E
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Where are #8 and #10 AC units?
7-200-2-E
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What is cathodic protection?
The use of zincs to take corrosion in place of the hull or equipment
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How many waste plants do we have and where are they?
- 1 - Wardroom 1 & 2
- 2 - FWD mess decks
- 3 - Aft mess decks (port side, below hazmat)
- 4 - HB3, stbd side
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What does WRV stand for and its purpose?
- Water Regulating Valve
- Regulates cooling water through the condenser (in the A/C plants)
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In the A/C systems, what is the compressor known as?
The heart of the system
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In the A/C systems, what is the microprocessor known as?
The brain of the system
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What are uses for HP air?
EDG starting air, elevators
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What are the uses for LP air?
Propulsion plant loads, control air backup, tools, arresting gear
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