Engineering Gouge Flashcards
(123 cards)
1
Q
Who is the Engineering Officer?
A
CDR OLANIRAN
2
Q
Who is the Damage Control Officer?
A
CDR OLANIRAN
3
Q
Who is the Damage Control Assistant?
A
CDR TYNDALL
4
Q
Who is the Main Propulsion Assistant?
A
LT BULLS
5
Q
Who is the Auxiliaries Officer?
A
LT CEESAY
6
Q
Who is the Electrical Officer?
A
LT ZHAO
7
Q
What are the two engineering logs that are legal documents?
A
ENGINEERING LOG AND ENGINEERING BELL BOOK
8
Q
How long must the ship retain the two legal documents?
A
3 YEARS
9
Q
What is the difference between an EOOW and EDO?
A
EOOW is in charge of engineering evolutions underway; EDO takes charge in port.
10
Q
What are the Engineering Night Orders?
A
All orders Cheng expects to be carried out from 2200 – 0600 hrs.
11
Q
What is the ‘Quiet Bill’?
A
Generated by the Cheng whose purpose is configuring machinery to minimize the ship’s noise emissions.
12
Q
What three subsystems comprise EOSS (Engineering Operational Sequencing Systems)?
A
- EOP (Engineering Operational Procedures)
- EOCC (Engineering Operational Casualty Control)
- EOSS Users Guide
13
Q
What are the four phases of the Basic Steam Cycle?
A
Generation, Expansion, Condensate, and Feed
14
Q
Where does each phase of the Basic Steam Cycle begin and end?
A
PHASE:
GENERATION: Begins in the boiler, ends at the inlet to the HP/LP turbine.
EXPANSION: Begins at HP/LP turbine, ends at hotwell.
CONDENSATE: Begins at hotwell, ends at top half of DFT.
FEED: Begins at bottom of DFT, ends at boiler tubes.
15
Q
What component acts as the division of the condensate and feed phase?
A
The DFT
16
Q
What is the function of the DFT?
A
Dearate, preheat, and store feedwater.
17
Q
What type of boilers do we have on Essex?
A
Combustion Engineering V2M ‘D’ type.
18
Q
What two types of steam are generated in the boiler?
A
700 PSI main and 600 PSI auxiliary.
19
Q
What type of fuel is used in the boiler?
A
NATO F76 (formerly known as diesel fuel marine).
20
Q
Who maintains the boiler water chemistry and oil and fuel program for engineering?
A
Oil King
21
Q
What are the users of main steam?
A
HP and LP turbines and SSTGs.
22
Q
What provides cooling to the main condenser to condense the exhausted steam of turbines?
A
Seawater
23
Q
How do we get the seawater through the main condenser?
A
Above –12 knots – scoop injection; below 12 knots and astern – main seawater circ pump.
24
Q
Why is air removal so vital to the main engine?
A
Because the main condenser operates under a vacuum (approx 29”).
25
What is the function of the economizer?
Preheat boiler feedwater and cool stack gases exiting the boiler.
26
What is a 'PUF'?
Port Use Fan – the electric blower used to provide combustion air to the boiler during lightoff.
27
What provides combustion air to the boiler during normal operations?
Two (2) - steam driven forced draft blowers.
28
What are the three levels in the main machinery rooms?
8 ft, 18 ft, and 30 ft levels.
29
On what level do you enter FWD MMR? AFT MMR?
FWD MMR – 18 ft, AFT MMR – 30 ft.
30
What type of distilling plant (EVAP) does Essex have?
6-stage flash type.
## Footnote
1 in each MMR.
31
What is the daily capacity of the EVAP?
100,000 gals/day.
32
What is the primary purpose for the EVAP?
To produce feedwater for the boiler.
33
What is the purpose of bromine?
To kill remaining bacteria of potable water that may have survived the distilling process.
34
What is BHR capacity for storing potable water (PW)? Feed water (FW)?
FWD MMR (FW): 15,429; FWD MMR (PW): 33,221; AFT MMR (FW): 25,328; AFT MMR (PW): 12,225; Total FWD MMR (FW): 30,570; Total FWD MMR (PW): 100,858; Total AFT MMR (FW): 57,397; Total AFT MMR (PW): 46,923.
35
How many potable water pumps are onboard?
Two per main space (MMR); also have two booster pumps on the 02 level.
36
What is the minimum number of personnel required for boiler lightoff?
8 (eight): 1. Safety Officer (EOOW qualified)
2. Boiler Console Operator
3. Space Supervisor
4. BT Lower Levelman
5. Burnerman
6. AFFF Hoseman
7. AFFF Plugman
8. PKP Firefighter.
37
What are the key points of lightoff personnel?
* Everyone is in battle dress.
* BT Lower Levelman and Burnerman are in welder’s jackets with flash hoods and faceshields.
* Ventilation is secured prior to lighting torch to prevent extinguishing.
* Burner port #1 is the lightoff port.
38
What is the primary purpose for LP air?
To provide vital air for boiler combustion controls.
39
How many LPACs do we have and where are they located?
8 (eight): 1A, 1B, 1C: FWD Compressor Room; 1D: FWD MMR; 2A, 2B, 2C: AFT Compressor Room; 2D: AFT MMR.
40
What is a priority valve?
A valve that closes automatically when LP air pressure drops to 85 psig, allowing air only to systems on the vital air main. It reopens at 95 psig to allow for non-vital air usage.
41
What are the vital air users?
Boiler combustion controls and electronic dry air for wave guides and capacity controls for A/C’s on vital electronic equipment.
42
What are the two types of LP air?
Vital and non-vital.
43
What is airlock?
Is when the boiler combustion controls lock in the last signal received when control air (vital LP air) is to allow time to safely secure the plant.
44
What are the three modes of boiler combustion control?
Automatic, remote, and local (manual).
45
How many HPACs (High Pressure Air Compressor) do we have and what is the location?
2 HPACs: NR. 1 HPAC: FWD Compressor; NR. 2 HPAC: AFT Compressor.
46
What are the uses of HP air?
EDG air start, SCBA recharging, aircraft elevators, inflatable shaft seals, and HP – LP cross connect, RAM.
47
What is an SSTG?
Ship’s Service Turbogenerator – steam driven turbine that converts mechanical energy into electrical energy to produce electricity for the ship.
48
What is the power rating of an SSTG?
450 volts, 60HZ, 3 Phase, 2500KW/4009 AMPS.
49
What are their locations?
#1 & 2 are in FWD MMR; #3 is in the AMR; #4 & 5 are in the AFT MMR.
50
What is unique about #3 SSTG?
It may be controlled by the FWD or AFT EPCP operator, located in the AMR, and only used during special evolutions (i.e., UNREP, sea and anchor, etc.).
51
What type of EDGs do we have?
ALCO (American Locomotive) 251C V16.
52
What type of oil is used for the EDG?
9250.
53
What is the power rating of an EDG?
450 volts, 60HZ, 3 Phase, 2000KW/3210 AMPS.
54
What is jacket water?
Water used in cooling the diesel's cylinders.
55
From what locations can an EDG be started?
• FWD or AFT EPCP (Electric Plant Control Panel)
• 2E Switchboard
• On the EDG
• Gauge board
• Start Air bypass valves
• Auto.
56
Where are the three shore power stations?
AFT missile deck, port, and stbd OOD stations.
57
What is the amp rating for each shore power cable?
400 amps per cable for a total of 4000 amps each station (10 cables).
58
How many load centers do we have?
16.
59
How many switchboards?
7 (seven) - for 5 SSTGs + 2 EDGs.
60
What is the difference between a Manual Bus Transfer (MBT) and an Automatic Bus Transfer (ABT)?
A piece of equipment loaded on an MBT must be manually shifted to the alternate source for power, while an ABT shifts automatically.
61
Who must give authorization for working on an energized circuit or equipment?
Commanding Officer.
62
What type of ACs do we have?
300 ton, York, centrifugal.
63
How many ACs do we have?
6.
64
Where are the air conditioning units located?
1 & 2 FWD Diesel; 3 & 4 AMR (Auxiliary Machinery Room); 5 & 6 below port aircraft elevator (5 & 6 AC Room).
65
What is the primary purpose for AC?
To provide coolant for electronic systems.
66
What type of refrigerant is used for the ACs?
R-236FA.
67
What is the cooling medium used for ventilation A/C systems?
Chill water.
68
What type of reefers do we have and how many?
5.5 tons, Carrier, reciprocating, 3.
69
What type of refrigerant is used in the reefers?
R-134.
70
What type of steering system do we have?
A dual ram system that provides primary control from the pilot house with unmanned steering gear rooms.
71
How many steering units do we have?
4 (1A/1B, 2A/2B) and 2 emergency (port/stbd).
72
What are the modes of steering?
1. Local Trick Wheel - located on each pump. Can manually steer from after steering.
2. Emergency Steering Pump - Independent unit embedded in watertight concealed coffin. Flooding will not interfere with steering.
3. Hand Pump Emergency - (2) per rudder, 22 turns for 1 degree.
4. Ratchet – manually move the rudder with a ratchet installed on the guiding rod.
5. Helm – located on the bridge.
73
Where can the rudder be controlled?
Pilot house, aft steering, emergency steering control (next to REP 3), enclosed hydraulic power unit, hand ratchet.
74
What are the steering limitations?
Not to exceed 35 deg hard over. Also, maximum of 10 deg in either direction for emergency steering.
75
Which mode of emergency steering requires the most comms?
Hand emergency pump – positive comms between steering and the pilot house are required.
76
How many ballast debacs do we have and where are they located?
10 (ten): #1 & 2 FWD Comp; #3-7 AMR; #8-10 AFT DBAC.
77
How are tanks ballast/deballasted?
Tanks above 28’ waterline: Tank is filled with firemain; sea chest valve is opened by an HPU so that water can fill the tank.
Tanks below 28’ waterline: Gravity drained; LP/high volume air is blown into the tank via DBAC.
78
Where is the DBAC control console located?
DCC and well deck control.
79
What is an HPP? How many do we have?
Hydraulic Power Pack: used to open sea valves for ballasting operations, 2 (two).
80
What stations are manned for ballast/deballast?
• DCC
• Well Deck Control
• Stern Gate
• DBAC
• HPU.
81
What 2 shore utilities cannot be hooked up at the same time or by the same personnel?
CHT and potable water.
82
What is the storage criteria for a potable?
83
How many hydraulic power packs do we have?
2 (two)
84
What stations are manned for ballast/deballast?
DCC, Well Deck Control, Stern Gate, DBAC, HPU
85
What 2 shore utilities cannot be hooked up at the same time or by the same personnel?
CHT and potable water
86
What is the storage criteria for a potable water hose?
Hose must be stored in vermin-proof locker, at least 18” off the deck, labeled 'POTABLE WATER USE ONLY' in 2” letters
87
What are the four coils for degaussing?
A, M, FI/QI, and FP/QP
88
What is depermning?
Empowering the coils used to reduce the ship’s electromagnetic signature (usually done during availability)
89
Where is the degaussing switchboard located?
FWD IC
90
Where is the degaussing remote control panel located?
On the bridge
91
What is the dummy log and where can it be found?
Dummy log gives a digital readout of ship's speed. Located on the EOOW console (in FWD EOS)
92
What is a pitsword?
A 6 (six) foot long pole which is lowered thru a sea valve that transmits 'actual' ship's speed thru the water to the dummy log on the EOOW console
93
What numbers are rung up on the throttle EOT for maneuvering combinations?
'999'
94
What does MSFD stand for?
Main Space Fire Doctrine
95
What is RMD?
Restricted Maneuvering Doctrine
96
What is stop and lock?
Bringing the shaft to a rapid stop by closing the ahead throttle valve and opening the astern to minimize or prevent damage to the main engine.
97
What is meant by 'jacking over the main'?
The jacking gear is used to turn the main engine during warming up and securing periods so that the turbine rotor can heat or cool evenly to avoid the rotor of the turbine from becoming bowed or distorted.
98
Where would I find a stern tube bearing?
Shaft alleys 5 and 6 where the shaft penetrates the hull of the ship
99
What is the rotation of the port and starboard shafts?
Port – counterclockwise, Starboard – clockwise
100
What type of oil is used to lubricate main engine components?
2190 TEP
101
What type of bearing supports the weight of the shaft in the water?
Strut bearing
102
What is the propeller diameter?
16'-6''
103
What is the most forward engineering space?
Anchor windlass
104
From what stations can we receive fuel?
Stations 3, 4, 6, and 7
105
What is an EOS?
Enclosed Operating Station
106
What are the main consoles located in the EOS?
FWD MMR (EOOW board, EPCP, BCO, and throttle), AFT MMR (EPCP, BCO, and throttle)
107
When jacking over main how many revolutions of the shaft?
7
108
What is the dummy log?
When operating in shallow water where the rodmeter must be inboard, if the rodmeter is damaged, ship's speed can be set by using the dummy signal unit of the indicator transmitter or by using the remote control unit. Shaft RPM is used to set ship's speed. Located in Forward Enclosed Operating Station (EOS).
109
What is the number of blades per screw?
6
110
What is the purpose of the superheater?
Saturated steam (506 F) from the steam drum is directed through the bypass superheated tubes where sensible heat is added to steam increasing temperature to 900 F. Located in boiler between generating bank and firebox.
111
What does the main circulating pump do?
Motor driven propeller pump which provides seawater flow for cooling to main condensers at speeds below 12 knots, stopped, or going astern. Above 12 knots the pump is secured and the scoop injector is utilized.
112
What is the length of the starboard shaft and how many sections does it have?
237’ with 8 sections.
113
What is the length of the port shaft and how many sections does it have?
340’ with 12 sections.
114
What is the inflatable shaft seal?
Installed in the stern tube used for emergency use only, inflates when repairs are to be made on the stern tube bearings, CO2 or manually inflated.
115
What are the uses of LP air?
1) Electronic Dry Air (EDA) is used for wave guides and computer cooling on the 02 level and above. 2) Vital Air is used for Automatic Boiler Controls. 3) Non-Vital Air is used for non-vital equipment such as pneumatic tubes and hand chippers and sanders, Ships Laundry.
116
What is cold iron?
Plant shut down, receiving shore power.
117
What is hotel services?
Receiving power and water from shore facilities.
118
What is trailing a shaft?
No steam is being admitted to the turbines, but the shaft is free wheeling due to ship’s movement through the water. MAX SPEED is 18 knots.
119
What is the four tests of boiler feed water?
Conductivity, Alkalinity, Chlorides, and Phosphates
120
What are the two tests for potable water?
Bromine, pH
121
What is a strut bearing?
Waterborne bearing which supports sections of the shaft outside the hull. Linings are hard wood or Neoprene rubber.
122
What is the E-ABC of engineering?
Electronic Automatic Boiler Control.
123
What is the Engineers Circuit?
2JV
