ENG Questions Flashcards
Who is the Damage Control Officer?
CDR Melton
Who is the Engineering Officer?
CDR Melton
Who is the DCA?
LCDR Barnett
What is the Difference between EOOW and EDO?
EOOW = Underway EDO = Inport
What 3 subsystems comprise EOSS ( Engineering Operational Sequencing System? )
- ) EOP (Engineering Operational Procedures)
- ) EOCC (Engineering Operational Casualty Control
- ) EOSS users guide
What are the 4 phases of the Steam Cycle?
Generation
Expansion
Condensate
Feed
Where does each phase on the Steam Cycle begin and end?
Generation ( in the boiler / inlet to the HP/LP turbine )
Expansion ( HP/LP turbine / Hotwell )
Condensate ( Hotwell / Top half of DFT )
Feed ( Bottom of DFT / Boiler Tubes
What type of boilers does the Essex have?
Combustion Engineering V2M “D” Type
What type of fuel is used in the Boiler?
DFM ( Diesel Fuel Marine )
How do we get sea water thru the main condenser?
Above 12 knots = Scoop injection
Below 12 knots = Main Seawater Circ Pump
What is the Function of the Economizer?
Preheat boiler feed water and cool stack gases exiting the boiler
How many Distilling plants ( EVAPS) does the Essex have?
6 stage flash type
1 in each MMR
What is the daily capacity for the EVAP?
100,000 GALS/Day
What is the minimum number of personnel required for light off?
8 Safety officer Boiler console operator Space supervisor Bat lower levelman Burner man AFFF horseman/plug man PKP Firefighter
What is the primary purpose of LP Air?
To provide vital air for Boiler Combustion Controls
How many LPACS do we have?
8
What is a Priority Valve?
A valve that closes LP air when pressure drops to 85psi, allowing only vital air, reopens at 95psi for non vital usage
What are Vital Air users?
Boiler Combustion Controls and electronic dry air for wave guides
Capacity controls for a/c on vital electronic equipment
What are 2 types of LP Air?
Vital
Non-vital
How many HPACS do we have?
2
What are the uses of HP air?
EDG start, SCBA recharging, aircraft elevators, inflatable shaft seals, and HP - LP cross connect, RAM
What is an SSTG?
Ships Service Turbogenerator
What is the power Rating of an SSTG?
450 volts 60hz 3 phase 2500kw 4009amps
Where are the SSTGs located?
1&2 = FWD MMR 3 = AMR 4&5 = AFT MMR
What type of EDGs Do we have?
ALCO 251C V16
What is the power rating for EDG?
450 volts 60hz 3 phase 2000kw 3210 amps
How many load centers do we have?
16
How many switch boards do we have
7
5= SSTG
2 = EDG
What type of A/Cs do we have?
300 ton york, Centrifugal
How many A/Cs do we have?
6
Where are the Air Condition Units located?
1&2 = FWD Diesel 3&4 = AMR 5&6 = Below port aircraft elevator
What is the primary purpose of A/C?
To cool shit
What type of refrigerant is used for A/Cs?
R-236FA
What is the cooling medium used for ventilation A/C systems?
Chill Water
What type of reefers do we have?
5.5 Carrier Reciprocating
What type of refrigerant is used?
R-134
“Pass or Fail”
How many steering units do we have?
4
1A/B
2A/B
And 2 emergency (PORT/STBD)
“Pass or Fail”
What are the modes for Steering?
Local Trick wheel ( on each pump)
Emergency steering pump (watertight pump)
Hand pump emergency (2) per rudder, 22 turns for 1 degree
Ratchet ( guard rod)
Helm ( located on the Bridge)
Where can the rudder be controlled?
Pilot house AFT Steering Emergency Steering Control Enclosed hydraulic Hand Ratchet
How many ballast debacs do we have?
10
Where is the DBAC and Well Deck Control located at?
DCC
Deck Control
What is an HPP and how many do we have?
Hydraulic power pack
2
What are the 3 modes of CHT Transfer?
Inport
Transit
At Sea
What is a Macerator?
Smashes or pulverizes CHT Prior to transfer to tank
How far out must we be to discharge the following
- )Distilling plants
- )Wet Garbage
- )Trash
- )Oil & Fuel
- )CHT
- )Halon
1,) 12Nm
- ) 12NM
- ) 25NM
- ) 50NM
- ) 3NM
- ) Never
How many fire pumps do we have?
12
How many of the Fire Pumps are steam driven?
4 #5&6 FWD MMR #7&8 AFT MMR
What do the fire pumps in FWD and AFT MMR Differ from the other 8 pumps?
1,) Steam Driven
2.) Capacity is 2000 GPM Vice 1000 of the electric
What are the 4 Coils for Degaussing
A,M,FI/QI, and FP/QP
What does MSFD stand for?
Main Space Fire Doctrine
What is RMD?
Restricted Maneuvering Doctrine
What is stop and lock?
Bringing the shaft to a rapid stop by closing the ahead throttle valve and opening the astern in order to minimize or prevent damage to the main engine
What is the most forward Engineering space?
Anchor Windlass
What inflatable shaft seal?
Emergency use, inflates when repairs are made on the stern tube bearings, CO2 or manually filled
What type of gas does CHT produce?
Hydrogen Sulfide
What are the uses of LP Air?
Electronic Dry air
Vital air
Non-vital air
What are hotel services?
Receiving power and water from shore
What is the strut bearing?
Waterborne bearing which supports sections of the shaft outside the hull.
What is the E-ABC of engineering?
Electronic Automatic Boiler Control