Engineering Flashcards
(178 cards)
1
Q
What are the 4 phases of the basic steam cycle?
A
Generation, Expansion, Condensation and Feed
2
Q
What process converts feed water into steam in the boiler?
A
Generation
3
Q
What type of steam does the boilers produce?
A
600 main steam
600 auxiliary steam
4
Q
Which steam goes to the main engine and the SSTG?
A
Main steam
5
Q
What does SSTG stand for?
A
Ships Service Turbine Generator
6
Q
What type of steam goes to the auxiliary equipment?
A
600 auxiliary steam
7
Q
What process converts thermal energy into mechanical energy by using the main engine and the SSTGs?
A
Expansion
8
Q
What process converts steam into liquid which is called condensate by using the main condesner?
A
Condensation
9
Q
This is stored in the hotwell then the condensate pumps takes suction from the hotwell passes through the air ejects
A
Condensate
10
Q
Converts condensate into ** using the following equipment: air ejectors, first stage feed heater and the DFT
A
Feed
11
Q
What are the four phases of basic refrigeration cycle?
A
Compressor, condenser, thermal expansion valve and evaporators
12
Q
Low pressure/low temperature refrigerant vapor coming from the evaporator into high pressure/high temperature refrigerant gas is what phase of the refrigeration cycle?
A
Compressor
13
Q
High pressure/high temperature refrigerant gas coming from the compressor goes into the top of the condenser (which is a shell tube condenser 2 way pass) and gets condensed by the cooling medium which is auxiliary machinery cooling water is what phase of the refrigeration cycle?
A
Condenser
14
Q
What meters the flow of refrigerant and at the same time expands the high pressure/high temperature liquid refrigerant into low pressure/low temperature refrigerant mix going into the evaporator?
A
TXV (Thermal Expansion Valve)
15
Q
Starts at the outlet of the thermal expansion valve and ends in the suction of the compressor
A
Refrigeration cycle low side
16
Q
Starts in the compressor discharge and ends in the inlet side of the thermal expansion valve
A
Refrigeration cycle high side
17
Q
What are the three purposes of the DFT (Deaerate Feed Tank)?
A
Stores, preheats, and deaerates feed water
18
Q
How many DFT’s are onboard?
A
2 DFT’s
NO. 1 DFT = AFT MMR
NO. 2 DFT = FWD MMR
19
Q
How many boilers are onboard?
A
2
20
Q
Where are the boilers located?
A
NO. 1 = AFT Main Machinery
NO. 2 FWD Main Machinery
21
Q
What type of boiler do we have on board?
A
D type 600lb modified to 700lb
22
Q
What is the reason why it is called a D-type boiler?
A
The tubes on the fire side are shaped like a D
23
Q
Why is the boiler called 600lb?
A
It produces 600 main steam from the super heater and 600 auxiliary steam from the desuperheater
24
Q
What are the components of the boiler?
A
Steam drum, water drum and downcomers
25
What is the component that preheats the water before it enters the boiler?
Economizer
26
What do boilers use to maintain fires?
Fuel, Heat, and Air
27
How many burners are there on the burner front?
6 burners
28
The boiler is in which phase of the basic steam cycle?
Generation phase
29
Where does the 600 main steam go to?
Main engine
| SSTG
30
600 auxiliary steam goes to several equipment, such as what?
MFP (Main feed pump)
FFP (Fire Flushing Pumps)
FDP (Forced Draft Blowers)
31
Which engine uses 600 main steam, classified as HP, LP turbine, double helical, double reduction, articulated?
Main Engine
32
This means first reduction gear and second reduction pinion connected by a quil shaft and a flexible coupling
Articulated
33
The main engine has how many bearing in the expansion phase of the basic steam cycle?
21 bearings
34
What are the two shafts connected to the 2 main engines?
Port and starboard shaft
35
How many bearings does the port shaft have?
8 bearings
36
How many bearings does the starboard shaft have?
5 bearings
37
What is used to lubricate the bearings?
Lube oil 2190 TEP
38
This is located under the main engine and is used to produce condensate?
Main condenser
39
This provides the salt for the main condenser, it starts below 12 knots and it stops when the ship is going above 12 knots
Main Circ Pump
40
There are two sea water inlets for the main condenser, what are they?
Main Circ Pump
| Scoop Injection
41
What are used to keep a constant flow of sea water into the main condenser?
Sea water inlets
42
This pump is electrically operated and is started when the ship is going below 12 knots and is stopped above 12 knots; it is also the largest pump on the ship
Main circ pump
43
This is a flap so when the ship is going above 12 knots it opens due to the force of sea water against the flap
Scoop Injection
44
What provides electricity throughout the ship?
SSTG
45
How many SSTG's are onbaord?
5
46
Where are NR 1 and 2 SST located?
FWD MMR
47
Where is NR 3 SSTG located?
AMR
48
Where are NR 4 ad 5 SSTG located?
AFT MMR
49
What are the parameters of the SSTG
60 Hertz
450 Volts
2500 KW
4000 Amps
50
What is the primary source of power for the ship?
SSTG
51
What are the secondary source of power found on the ship?
EDG
52
What does EDG stand for?
Emergency Diesel generator
53
How many EDG's do we have onboard?
2
54
Where are the locations of the EDG's?
NR 1 = FWD Diesel
| NR 2 = AFT Diesel
55
What type of fuel is used by the EDG?
JP5
56
In an emergency, which fuel can be used for the EDG?
DFM (Diesel Fuel Marine)
57
What are the parameters of the EDG?
60 Hertz
450 Volts
2000 KW
3200 Amps
58
How many strut bearing are there per shaft?
One
59
These are located outside the ships hull prior to the propellers
Strut bearings
60
What lubricates the strut bearing?
Sea water
61
How many watch standers are in the machinery rooms at all times when the ship is underway?
11
62
What is the highest qualified engineering watch on the ship?
EOOW (Engineering Officer of the Watch)
63
Whose job is to monitor all the engineering equipment on the ship?
EOOW (Engineering Officer of the Watch)
64
The EOOW is in charge of handling the engineering logs which is a legal document and can be kept on board the ship for how many years?
3 years
65
Where does the EOOW stand watch?
FWD MMR
66
Who is in charge of all the watch standers in the machinery room?
Space Supervisor
67
Who gives order to start, stop, and shift equipment as necessary and also gets orders by the EOOW?
Space Supervisor
68
Which watch stander operates the boiler FDB, MFP and MFBP as well as controls the fuel and steam for the boiler?
BCO (Boiler Console Operators)
69
Who operates the shaft by controlling the amount of main steam that goes to the main engine and communicates with the bridge?
Throttleman
70
This watchstander controls the speed of the ship and is in charge of handling the BELL LOG, a legal document which is kept on board for 3 years
Throttleman
71
Who monitors the turbine generator and shifts electrical power remotely when necessary or when ordered by the Space Supervisor?
EPCP (Electrical Plant Control Panel)
72
Who is in charge of the SSTG's, EDG's and the electrical switchboards?
EPCP (Electrical Plant Control Panel)
73
Who monitors the boiler, makes sure fires are lit, no steam or fuel leaks on the burner front and the boiler fires has stable flame patterns?
Burnerman
74
How many burners are on the burner front?
6 burners
75
Lights and cut burners are done by the burnerman as necessary when ordered by whom?
BCO (Boiler Console Operator)
76
Who are the other watch standers in the main space?
```
MMUL (Machinist Mate Upper Level)
MMLL (Machinist Mate Lower Level)
BTUL (Boiler Technician Upper Level)
BTLL (Boiler Technician Lower Level)
Messenger
```
77
What is another name for the EVAP?
Distilling Plant
78
What is the purpose of the EVAP?
Convert sea water into fresh water
79
EVAP heats up the sea water into feed water then converts to fresh water by adding a chemical called what?
Bromine
80
How many EVAPS are onboard?
2
81
Where are the two EVAPS located?
NO. 1 = FWD MMR
| NO. 2 = AFT MMR
82
The EVAP is a 6 stage, flashtype, and produces how many gallons per day?
100,000 gallons per day
83
Its purpose is to provide the ship with fire main
FFP (Fire Flushing Pump)
84
How many FFP's are on board?
12 FFP's
85
Where are NR 1, 2, 3, 4 FFP located?
FWP Pump Room
86
Where are NR 5, 6 FFP located?
FWD MMR
87
Where are NR 7, 8 FFP located?
AFT MMR
88
Where are NR 9, 10, 11, 12 FFP located?
AFT Pump Room
89
How many types of FFP's are onboard?
2 types
90
The FFP's in the main spaces are steam driven and produces how many gallons per minute?
2,000 gallons
91
The FFP's outside of the main spaces are motor or electrical driven and they produce how many gallons per minute?
1,000 gallons
92
This pump is located on the feed phase of the basic steam cycle and it pumps feed water to the boiler
MFP (Main Feed Pump)
93
How many Main Feed Pumps are on board?
4 MFP
94
Where are the MFP's located?
2 FWD MMR
| 2 AFT MMR
95
The purpose of this pump is to take suction from the DFT and sends it to the MFP then the feed water then enters the boilers
MFBP (Main Feed Booster Pump)
96
How many MBFP are onboard?
4
97
Where are the locations of the MBFP on board?
2 FWD MMR
| 2 AFT MMR
98
What provides combustion air to the boiler to light and maintain fires?
Forced Draft Blower
99
What pumps condensate from the main condenser to the air ejectors?
MCP (Main Condensate Pump)
100
How many MCP's are on board?
4
101
In which phase of the basic steam cycle is the MCP found?
Condensation phase
102
What are the 5 main purposes of the main engine jacking gear?
```
Evenly warm the shaft
Evenly Cool the shaft
PMS
Stop and lock the shaft
Prevent bowing of the shaft
```
103
What type of lube oil do we use onboard?
2190 TEP
| 2(2000 series), 190(viscosity - the thickness of the lube oil), TEP (turbine extreme pressure)
104
What is mostly used to lubricate equipment such as main engine and SSTG?
Lube oil
105
What is the color piping for lube oil?
Black and yellow
106
What are the 2 types of fuel oil?
DFM (Diesel Fuel Marine)
| JP5 (F-46)
107
What fuel is mostly used for the boiler?
DFM
108
What color piping for DFM fuel?
Yellow
109
What fuel is used for aircrafts (in boiler only on emergencies)?
JP5
110
What is the color piping for JP5?
Purple
111
What are used to open and close sea chest valves by hydraulic power to fill deballasting tanks w/ sea water?
Hydraulic Power Pack (HPP)
112
How many hydraulic power packs are onboard?
2
113
Where are the locations of the HPP's on board?
FWD MMR Halon Store Room
| LL Store Room
114
What are used to supply the ship w/ high pressure air?
HPAC (High pressure air compressor)
115
How many HPACS are onboard?
2
116
How much PSI does the HPAC produce?
3000 PSI
117
What are some of the function of the HPAC?
Air craft elevators
Recharge SCBA bottles
Air start for the EDG's
118
What are used to supply the ship with low pressure air?
LPAC (Low Pressure Air Compressor)
119
What is the primary purpose of LPAC?
To provide vital air to the boiler and dry air for the RADAR's
120
How many LPACs are onboard?
5
121
What are the locations of the LPACs?
1 and 2 = FWD Compressor
3 = AFT MMR
4 and 5 = AFT Compressor Room
122
How much PSI is produces by LPAC?
125 PSI
123
What is LPACs use?
Blow down the hangar bay and for equipment in machinery room
124
What is used to lubricate LPACs?
Fresh water
125
In case of LPACs failure, there are how many HP to LP emergency reducing stations that goes from 3000 PSI to 95-100 PSI?
2
126
In the case of LPACS failure, the 2 HP to LP emergency reducing stations are to provide air only for what vital equipment?
Boilers and RADARs
127
Where are the locations for the HP to LP reducing stations?
```
#1 = FWD Compressor
#2 = AFT Compressor
```
128
What are used to pressurize ballast tanks by using compressors to dewater the tanks?
Deballasting Compressor (DEBAC's)
129
How many DEBACs are onboard?
6
130
Where are the locations of the DEBACs onboard?
```
#1 and 2 FWD Compressor
#3 and 4 AMR
#5 and 6 AFT DEBAC by AFT Diesel
```
131
How many Deballasting tanks are onboard?
34
132
What is the purpose of the deballasting tanks?
Control the list of the ship
133
What is the primary use of air conditioning units?
To cool chill water
134
What is used in all the fan rooms to keep the ship and electronics cool?
Chill water
135
How many ACs are onboard?
6
136
What are locations of ACs onboard?
```
#1 and 2 = FWD Diesel
#3 and 4 = AMR
#5 and 6 = AFT A/C Machinery Room
```
137
What is the refrigerant used for ACs?
R-236FA
138
An industrial AC has a refrigeration capacity of how many tons?
300 tons
139
What is used to keep the food refrigerated or frozen until ready for use?
REEFERS
140
How many refers are onboard?
3
141
What is used by refers as the refrigerant?
R-22
142
What is the color of the refrigerant bottles?
Orange
143
Where are the refers located?
FWD Pump Room
144
This is a very toxic to your body if inhaled, it displaces oxygen and in large quantities and will kill you
Refrigerant
145
What are the three steering modes?
Automatic
Follow-up
Non Follow-up
146
What are the four steering units?
1a and 1b = starboard steering
| 2a and 2b = port steering
147
What are the six steering methods?
```
Bridge (Helm)
Auto Pilot
Trick Wheel
Hand Pump
Ratchet assemble
Emergency steering
```
148
What are the legal documents that are used by the EOOW and throttleman watch, respectivley?
Engineering and Bell Log
149
How long should the engineering and bell log be kept on board?
3 years
150
What is considered the bible of the space, providing casualty controls for the equipment in the space such as immediate and controlling actions?
EOSS (Engineering Operational Sequencing System)
151
Who is the department head for engineering?
CHENG (Chief Engineer)
152
Who is the CHENG?
LCDR Freeman
153
Who is the most qualified engineering watchstanders underway?
EOOW (Engineering Officer of the Watch)
154
Who is the most qualified engineering watch standers in port?
EDO (Engineering Duty Officer)
155
How many shore power stations are available?
3
156
What are the shore power stations?
Port Starboard and AFT
157
What is the primary shore power station?
AFT
158
How many cables are on each station?
10
159
How many cables are always connected when we hook up shore power?
20
160
What are switches used to transfer loads from one source of power (normal) to another (alternate) automatically when the voltage drops?
ABT (Automatic Bus Transfer)
161
What are the switches that provide manual switching between normal and alternate power sources by means of mechanically interlocked circuit breakers?
MBT (Manual Bus Transfer)
162
The purpose is to control the magnetic field of the ship or to make the ship look magnetically invisible
Degaussing
163
How many coils are onboard?
4
164
What are the 4 coils onboard?
A coil
M coil
Fp-Qp coil
Fi-Qi coil
165
What are the two types of water onbard?
Feed water and fresh water
166
What is another name for fresh water?
Potable water
167
Both feed and fresh water comes from what?
EVAP
168
What chemical is added to fresh water?
Bromine
169
What is the only water used by the boiler?
Feed
170
What is the color piping for Steam?
White
171
What is the color piping for Firemain?
Red
172
What is the color piping for fuel (DFM)?
Yellow
173
What is the color piping for fuel (JP5)
Purple
174
What is the color piping for AFFF?
Red and Green
175
What is the color piping for Sea Water?
Green
176
What is the color piping for Feed Water?
Light blue
177
What is the color piping for Potable Water?
Dark Blue
178
What is the color piping for Chill Water?
Dark blue w/ green stripes
