ENGINEERING Flashcards
CHENG (CHIEF ENGINEER)
CDR TIREY
Department Head and overall in charge of Engineering Department
DC CENTRAL
( CENTRAL CONTROL) Engineering Watches
ECOW
Engineering Chief of the Watch
Liaison between Engineering and Reactor department in Central control. Responsible for all Engineering equipment, watch standers and tag out.
CAO
Supervises A-Division watch standers and is responsible for monitoring A-division equipment. (A/Cs, reefers, Aces’s, CAT’s, 02n2, steering, trash plants)
DCWS
Damage Control Watch Supervisor
Supervises Sounding and Security patrolmen while maintaining firemain pressure and a level deck for landing aircrafts.
CEW
Chief Electrical Watch
Supervises LCR and responsible for all 60 & 400 Hertz equipment outside of the propulsion plants.
SSP
Sounding and Security Patrol ( INPORT/UNDERWAY) Sounds tanks, & voids, pumps CHT.
AT Sea
LCR
Load Center Rover (INPORT/ UNDERWAY)
Roves out-of-plant load centers hourly to check of grounds. AT Sea
AMO
Auxiliary machinery Operator (INPORT / UNDERWAY)
Starts, stops and takes reading on AC’s and Reefer’s.
AT Sea
CAT SUP
CATAPULT Supervisor
Supervises Catapult spaces.
AT Sea
CAT MAC
Catapult Mechanic
First responder and rover for Catapult Machinery spaces.
(AT SEA)
HYPO
( Hydraulics Operator)
Monitors and gives order for the elevators once received from the CAO.
ACE ROVER
Aircraft Elevator machinery room monitors.
02n2 ROVER
Starts, stops and monitors 02N2 plants.
At sea
EDO
Engineering duty Officer (inport)
EWS
Engineer Watch Supervisor (inport)
HOW MANY A/C’S DO WE HAVE ONBOARD?
10
What type of A/C’s do we have on board?
363 ton York A/C
What is the purpose of the AC plants?
Cool Electronic Equipment
What is the purpose of the refrigeration plants?
Ship stores, perishables, supplies, cool chill boxes, freese boxes photo store room.
What type of refrigerant do the A/C use?
R-236FA
What is an MRU and how many do we have?
Module Refrigerator Unit
we have 19
What temp do we maintain freezer and chill room at?
-4 to -2, 33 to 40 degree.-4 to -2, 33 to 40 degree.
How many chill water loop do we have inport?
Single Loop
How many chill water loop we have underway?
3 loop
What A/C utilized for frames 120 Frame forward and what areas do they cool?
1, 2, 5, 9 areas are Main Comm and AIMD Shops (tunnel)
What A/C utilized for frames 120-180 and what areas do they cool?
6, 7 , 10 area are CDC, CATCC, CVIC, Island
What A/C utilized for frames 180 aft and what areas do they cool?
3, 4, 8 A/c Unit area are ADP
How many loops are set during general quarters?
10
What is the primary use of the Catapults?
Launch aircraft
What is the Normal Operating Steam Pressure of the catapults?
System that allows Reactor to direct steam to catapults from the propulsion plant and to cut steam if needed.
What type of Fire Suppression System is used for the Catapults?
Steam Smothering
What are the 3 different size Steam Riser and their stage of operation?
1” (Piping Warp-up)
2” (Purge, Maint Layup V-2 Maint.)
10” (Soak Automatic Operations.)
What Load Center are designated for each Catapult?
CAT1 (LC33)
CAT2 (LC34)
CAT3/CAT4 (LC66)
How many gallons of water is used per launch?
250 Gal of Potable Water
How many gallons of Feed Water is in the Accumulator when it is 30-33 inches?
4000 gallons.
What is O2N2?
This is the system that provides liquid oxygen/ nitrogen and gaseous oxygen/nitrogen for shipboard use.
How many plants 02n2 are onboard?
2
Where are they located?
HB1 PORT, HB3 STBD
What is the purpose of Liquid Oxygen?
Aviator Breathing Oxygen
What is the purpose of Nitrogen?
Aircraft tires, Aircraft systems, Dental Tools
What is the major hazard associated with Liquid Oxygen?
It is an Accelerant, explosive, 98% + pure, -298F; Oxygen will explode if introduced to petroleum.
Who approves dumping Oxygen?
CO
What is the Danger of dumping Oxygen?
Dumping could cause damage to the ship’s hull.
What is the major hazard associated with Liquid Nitrogen?
Asphyxiation, -320F
What are the five pieces of Cryogenic PPE?
Gloves, Face shield, Apron, LOX coveralls, LOX boots
During a Cryogenic spill, who is the in charge of the scene?
The Operator or Duty Cryogenics Tech is in charge.
What Equipment does hydraulics shop own?
Anchor windlass, Steering, Aircraft Elevators, deck edge & divisional doors, sliding pad eyes, winches.
What are the different methods of operating the steering gear?
1) From the bridge using the helm.
2) In AFT steering using the trick wheel on the main units.
3) In AFT steering using emergency steering units.
4) SEC-CON in DCC
5) In the ram room using the hand ranch assembly. (Last Resort)
What is the minimum temp prior to operating Hydraulics Power Unit?
125 PSI is the minimum required to light off HCFF.
- How many turns on a ratchet per degree?
90
What type of fluid is used on Steering Gear Units?
2135 TH
What Load Centers Feed AFT Steering?
LC62 is for Unit 2, Unit 4 LC63 is for Unit 1, Unit 3 and LC 91 for Port/STBD Emergency Steering
What is special with ACE 4?
Elevator # 4 – Part of the Flight Deck / Pri-Fly controls Suspend
Where are each Stanchion Group Located?
Hanger bay ACE 1, 2, 3, 4 is group 1, 2, 3, 4,
flight deck on ACE1 (group 5, 6) on ACE2 (group 7,8) on ACE3 (group 9, 10) on ACE4 (group 11, 12)
What is the max design operating weight load?
130,000 lbs.
What is the max operating weight load?
120,000 lbs.
How many pumps are in each ACE? Name them?
7, (four Main Pumps) (two Sump Pumps) (one Circ Pump)
What are the LC for each ACE?
LC45 (ACE1)
LC51 (ACE2)
LC81 (ACE3)
LC 82 (ACE4)
What type of Fire main do we use onboard?
A composite loop.
How many Firepumps do we have?
23 total= 19 Electric (1000 gpm) /4 Steam (2000 gpm)
What is the minimum required pressure for firemain and why?
125 PSI is the minimum required to light off HCFF.
What are some of the other systems linked to the Fire main system?
Main and Secondary Drainage, Fire Stations, Jet Blast Deflectors, Saltwater reducing stations(for the Heads) Counter Measure Wash down Systems, Sprinkler systems for the Weapons Mags.
During General Quarters how many sections is the Firemain broken into?
4 Sections= 2 PORT/ 2 STBD.
What does CHT stand for?
Collecting Holding Transfer
How many CHT tanks do we have onboard?
How many CHT pumps do we have onboard?
5 CHT TANKS and 6 CHT PUMPS
How many do we have FWD/ MID/ AFT?
3/1/ 1
What type of toxic gas is present with CHT?
Hydrogen Sulfide (H2S). Smells like rotten eggs.
What are the different modes for CHT?
- INPORT: Sewage goes to tank then to shore connection on pier.
- TRANSIT: 3 Miles, waste drains are diverted overboard/ 12-Miles, solid waste is diverted overboard
- AT SEA: 50 miles, oil waste is diverted overboard.
What is the purpose of List control?
System that distributes water to keep the deck level for aircraft launch and recovery.
What is the rating of each list control pumps?
1800 GPM
How many degrees list can be corrected in 20 minutes?
1.5 degrees
How many places can you operate List Control? And where are they?
Two places: Inside 4A Shaft Alley and the MCMS Panel in DC Central.
What type of water is in the system?
POTABLE
Who operates List control?
DCWS and EWS from DC Central and the SSP manually (if necessary).
What device do we use to monitor the ship’s list?
A Clinometer. Found in front of the DCWS, in front of the EOOW and DC Division office.
What other methods do we have available for leveling the deck?
Moving Fuel, Planes, Tilly and Gear
What is the purpose of degaussing?
Reduce magnetization of the ship
Why is degaussing important?
Reduces Ship’s radar signature
