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ESWS Board > Engineering > Flashcards

Engineering Flashcards

1
Q

What are the 4 phases of the basic steam cycle?

A

Generation, Expansion, Condensation and Feed

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2
Q

What process converts feed water into steam in the boiler?

A

Generation

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3
Q

What type of steam does the boilers produce?

A

600 main steam

600 auxiliary steam

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4
Q

Which steam goes to the main engine and the SSTG?

A

Main steam

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5
Q

What does SSTG stand for?

A

Ships Service Turbine Generator

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6
Q

What type of steam goes to the auxiliary equipment?

A

600 auxiliary steam

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7
Q

What process converts thermal energy into mechanical energy by using the main engine and the SSTGs?

A

Expansion

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8
Q

What process converts steam into liquid which is called condensate by using the main condesner?

A

Condensation

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9
Q

This is stored in the hotwell then the condensate pumps takes suction from the hotwell passes through the air ejects

A

Condensate

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10
Q

Converts condensate into ** using the following equipment: air ejectors, first stage feed heater and the DFT

A

Feed

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11
Q

What are the four phases of basic refrigeration cycle?

A

Compressor, condenser, thermal expansion valve and evaporators

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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

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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

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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)

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15
Q

Starts at the outlet of the thermal expansion valve and ends in the suction of the compressor

A

Refrigeration cycle low side

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16
Q

Starts in the compressor discharge and ends in the inlet side of the thermal expansion valve

A

Refrigeration cycle high side

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17
Q

What are the three purposes of the DFT (Deaerate Feed Tank)?

A

Stores, preheats, and deaerates feed water

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18
Q

How many DFT’s are onboard?

A

2 DFT’s
NO. 1 DFT = AFT MMR
NO. 2 DFT = FWD MMR

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19
Q

How many boilers are onboard?

A

2

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20
Q

Where are the boilers located?

A

NO. 1 = AFT Main Machinery

NO. 2 FWD Main Machinery

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21
Q

What type of boiler do we have on board?

A

D type 600lb modified to 700lb

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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

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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

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24
Q

What are the components of the boiler?

A

Steam drum, water drum and downcomers

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25
Q

What is the component that preheats the water before it enters the boiler?

A

Economizer

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26
Q

What do boilers use to maintain fires?

A

Fuel, Heat, and Air

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27
Q

How many burners are there on the burner front?

A

6 burners

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28
Q

The boiler is in which phase of the basic steam cycle?

A

Generation phase

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29
Q

Where does the 600 main steam go to?

A

Main engine

SSTG

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30
Q

600 auxiliary steam goes to several equipment, such as what?

A

MFP (Main feed pump)
FFP (Fire Flushing Pumps)
FDP (Forced Draft Blowers)

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31
Q

Which engine uses 600 main steam, classified as HP, LP turbine, double helical, double reduction, articulated?

A

Main Engine

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32
Q

This means first reduction gear and second reduction pinion connected by a quil shaft and a flexible coupling

A

Articulated

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33
Q

The main engine has how many bearing in the expansion phase of the basic steam cycle?

A

21 bearings

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34
Q

What are the two shafts connected to the 2 main engines?

A

Port and starboard shaft

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35
Q

How many bearings does the port shaft have?

A

8 bearings

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36
Q

How many bearings does the starboard shaft have?

A

5 bearings

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37
Q

What is used to lubricate the bearings?

A

Lube oil 2190 TEP

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38
Q

This is located under the main engine and is used to produce condensate?

A

Main condenser

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39
Q

This provides the salt for the main condenser, it starts below 12 knots and it stops when the ship is going above 12 knots

A

Main Circ Pump

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40
Q

There are two sea water inlets for the main condenser, what are they?

A

Main Circ Pump

Scoop Injection

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41
Q

What are used to keep a constant flow of sea water into the main condenser?

A

Sea water inlets

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42
Q

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

A

Main circ pump

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43
Q

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

A

Scoop Injection

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44
Q

What provides electricity throughout the ship?

A

SSTG

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45
Q

How many SSTG’s are onbaord?

A

5

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46
Q

Where are NR 1 and 2 SST located?

A

FWD MMR

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47
Q

Where is NR 3 SSTG located?

A

AMR

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48
Q

Where are NR 4 ad 5 SSTG located?

A

AFT MMR

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49
Q

What are the parameters of the SSTG

A

60 Hertz
450 Volts
2500 KW
4000 Amps

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50
Q

What is the primary source of power for the ship?

A

SSTG

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51
Q

What are the secondary source of power found on the ship?

A

EDG

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52
Q

What does EDG stand for?

A

Emergency Diesel generator

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53
Q

How many EDG’s do we have onboard?

A

2

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54
Q

Where are the locations of the EDG’s?

A

NR 1 = FWD Diesel

NR 2 = AFT Diesel

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55
Q

What type of fuel is used by the EDG?

A

JP5

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56
Q

In an emergency, which fuel can be used for the EDG?

A

DFM (Diesel Fuel Marine)

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57
Q

What are the parameters of the EDG?

A

60 Hertz
450 Volts
2000 KW
3200 Amps

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58
Q

How many strut bearing are there per shaft?

A

One

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59
Q

These are located outside the ships hull prior to the propellers

A

Strut bearings

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60
Q

What lubricates the strut bearing?

A

Sea water

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61
Q

How many watch standers are in the machinery rooms at all times when the ship is underway?

A

11

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62
Q

What is the highest qualified engineering watch on the ship?

A

EOOW (Engineering Officer of the Watch)

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63
Q

Whose job is to monitor all the engineering equipment on the ship?

A

EOOW (Engineering Officer of the Watch)

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64
Q

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?

A

3 years

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65
Q

Where does the EOOW stand watch?

A

FWD MMR

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66
Q

Who is in charge of all the watch standers in the machinery room?

A

Space Supervisor

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67
Q

Who gives order to start, stop, and shift equipment as necessary and also gets orders by the EOOW?

A

Space Supervisor

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68
Q

Which watch stander operates the boiler FDB, MFP and MFBP as well as controls the fuel and steam for the boiler?

A

BCO (Boiler Console Operators)

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69
Q

Who operates the shaft by controlling the amount of main steam that goes to the main engine and communicates with the bridge?

A

Throttleman

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70
Q

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

A

Throttleman

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71
Q

Who monitors the turbine generator and shifts electrical power remotely when necessary or when ordered by the Space Supervisor?

A

EPCP (Electrical Plant Control Panel)

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72
Q

Who is in charge of the SSTG’s, EDG’s and the electrical switchboards?

A

EPCP (Electrical Plant Control Panel)

73
Q

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?

A

Burnerman

74
Q

How many burners are on the burner front?

A

6 burners

75
Q

Lights and cut burners are done by the burnerman as necessary when ordered by whom?

A

BCO (Boiler Console Operator)

76
Q

Who are the other watch standers in the main space?

A 
MMUL (Machinist Mate Upper Level)
MMLL (Machinist Mate Lower Level)
BTUL (Boiler Technician Upper Level)
BTLL (Boiler Technician Lower Level)
Messenger
77
Q

What is another name for the EVAP?

A

Distilling Plant

78
Q

What is the purpose of the EVAP?

A

Convert sea water into fresh water

79
Q

EVAP heats up the sea water into feed water then converts to fresh water by adding a chemical called what?

A

Bromine

80
Q

How many EVAPS are onboard?

A

2

81
Q

Where are the two EVAPS located?

A

NO. 1 = FWD MMR

NO. 2 = AFT MMR

82
Q

The EVAP is a 6 stage, flashtype, and produces how many gallons per day?

A

100,000 gallons per day

83
Q

Its purpose is to provide the ship with fire main

A

FFP (Fire Flushing Pump)

84
Q

How many FFP’s are on board?

A

12 FFP’s

85
Q

Where are NR 1, 2, 3, 4 FFP located?

A

FWP Pump Room

86
Q

Where are NR 5, 6 FFP located?

A

FWD MMR

87
Q

Where are NR 7, 8 FFP located?

A

AFT MMR

88
Q

Where are NR 9, 10, 11, 12 FFP located?

A

AFT Pump Room

89
Q

How many types of FFP’s are onboard?

A

2 types

90
Q

The FFP’s in the main spaces are steam driven and produces how many gallons per minute?

A

2,000 gallons

91
Q

The FFP’s outside of the main spaces are motor or electrical driven and they produce how many gallons per minute?

A

1,000 gallons

92
Q

This pump is located on the feed phase of the basic steam cycle and it pumps feed water to the boiler

A

MFP (Main Feed Pump)

93
Q

How many Main Feed Pumps are on board?

A

4 MFP

94
Q

Where are the MFP’s located?

A

2 FWD MMR

2 AFT MMR

95
Q

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

A

MFBP (Main Feed Booster Pump)

96
Q

How many MBFP are onboard?

A

4

97
Q

Where are the locations of the MBFP on board?

A

2 FWD MMR

2 AFT MMR

98
Q

What provides combustion air to the boiler to light and maintain fires?

A

Forced Draft Blower

99
Q

What pumps condensate from the main condenser to the air ejectors?

A

MCP (Main Condensate Pump)

100
Q

How many MCP’s are on board?

A

4

101
Q

In which phase of the basic steam cycle is the MCP found?

A

Condensation phase

102
Q

What are the 5 main purposes of the main engine jacking gear?

A 
Evenly warm the shaft
Evenly Cool the shaft
PMS
Stop and lock the shaft
Prevent bowing of the shaft
103
Q

What type of lube oil do we use onboard?

A

2190 TEP

2(2000 series), 190(viscosity - the thickness of the lube oil), TEP (turbine extreme pressure)

104
Q

What is mostly used to lubricate equipment such as main engine and SSTG?

A

Lube oil

105
Q

What is the color piping for lube oil?

A

Black and yellow

106
Q

What are the 2 types of fuel oil?

A

DFM (Diesel Fuel Marine)

JP5 (F-46)

107
Q

What fuel is mostly used for the boiler?

A

DFM

108
Q

What color piping for DFM fuel?

A

Yellow

109
Q

What fuel is used for aircrafts (in boiler only on emergencies)?

A

JP5

110
Q

What is the color piping for JP5?

A

Purple

111
Q

What are used to open and close sea chest valves by hydraulic power to fill deballasting tanks w/ sea water?

A

Hydraulic Power Pack (HPP)

112
Q

How many hydraulic power packs are onboard?

A

2

113
Q

Where are the locations of the HPP’s on board?

A

FWD MMR Halon Store Room

LL Store Room

114
Q

What are used to supply the ship w/ high pressure air?

A

HPAC (High pressure air compressor)

115
Q

How many HPACS are onboard?

A

2

116
Q

How much PSI does the HPAC produce?

A

3000 PSI

117
Q

What are some of the function of the HPAC?

A

Air craft elevators
Recharge SCBA bottles
Air start for the EDG’s

118
Q

What are used to supply the ship with low pressure air?

A

LPAC (Low Pressure Air Compressor)

119
Q

What is the primary purpose of LPAC?

A

To provide vital air to the boiler and dry air for the RADAR’s

120
Q

How many LPACs are onboard?

A

5

121
Q

What are the locations of the LPACs?

A

1 and 2 = FWD Compressor
3 = AFT MMR
4 and 5 = AFT Compressor Room

122
Q

How much PSI is produces by LPAC?

A

125 PSI

123
Q

What is LPACs use?

A

Blow down the hangar bay and for equipment in machinery room

124
Q

What is used to lubricate LPACs?

A

Fresh water

125
Q

In case of LPACs failure, there are how many HP to LP emergency reducing stations that goes from 3000 PSI to 95-100 PSI?

A

2

126
Q

In the case of LPACS failure, the 2 HP to LP emergency reducing stations are to provide air only for what vital equipment?

A

Boilers and RADARs

127
Q

Where are the locations for the HP to LP reducing stations?

A 
#1 = FWD Compressor
#2 = AFT Compressor
128
Q

What are used to pressurize ballast tanks by using compressors to dewater the tanks?

A

Deballasting Compressor (DEBAC’s)

129
Q

How many DEBACs are onboard?

A

6

130
Q

Where are the locations of the DEBACs onboard?

A 
#1 and 2 FWD Compressor
#3 and 4 AMR
#5 and 6 AFT DEBAC by AFT Diesel
131
Q

How many Deballasting tanks are onboard?

A

34

132
Q

What is the purpose of the deballasting tanks?

A

Control the list of the ship

133
Q

What is the primary use of air conditioning units?

A

To cool chill water

134
Q

What is used in all the fan rooms to keep the ship and electronics cool?

A

Chill water

135
Q

How many ACs are onboard?

A

6

136
Q

What are locations of ACs onboard?

A 
#1 and 2 = FWD Diesel
#3 and 4 = AMR
#5 and 6 = AFT A/C Machinery Room
137
Q

What is the refrigerant used for ACs?

A

R-236FA

138
Q

An industrial AC has a refrigeration capacity of how many tons?

A

300 tons

139
Q

What is used to keep the food refrigerated or frozen until ready for use?

A

REEFERS

140
Q

How many refers are onboard?

A

3

141
Q

What is used by refers as the refrigerant?

A

R-22

142
Q

What is the color of the refrigerant bottles?

A

Orange

143
Q

Where are the refers located?

A

FWD Pump Room

144
Q

This is a very toxic to your body if inhaled, it displaces oxygen and in large quantities and will kill you

A

Refrigerant

145
Q

What are the three steering modes?

A

Automatic
Follow-up
Non Follow-up

146
Q

What are the four steering units?

A

1a and 1b = starboard steering

2a and 2b = port steering

147
Q

What are the six steering methods?

A 
Bridge (Helm)
Auto Pilot
Trick Wheel
Hand Pump
Ratchet assemble
Emergency steering
148
Q

What are the legal documents that are used by the EOOW and throttleman watch, respectivley?

A

Engineering and Bell Log

149
Q

How long should the engineering and bell log be kept on board?

A

3 years

150
Q

What is considered the bible of the space, providing casualty controls for the equipment in the space such as immediate and controlling actions?

A

EOSS (Engineering Operational Sequencing System)

151
Q

Who is the department head for engineering?

A

CHENG (Chief Engineer)

152
Q

Who is the CHENG?

A

LCDR Freeman

153
Q

Who is the most qualified engineering watchstanders underway?

A

EOOW (Engineering Officer of the Watch)

154
Q

Who is the most qualified engineering watch standers in port?

A

EDO (Engineering Duty Officer)

155
Q

How many shore power stations are available?

A

3

156
Q

What are the shore power stations?

A

Port Starboard and AFT

157
Q

What is the primary shore power station?

A

AFT

158
Q

How many cables are on each station?

A

10

159
Q

How many cables are always connected when we hook up shore power?

A

20

160
Q

What are switches used to transfer loads from one source of power (normal) to another (alternate) automatically when the voltage drops?

A

ABT (Automatic Bus Transfer)

161
Q

What are the switches that provide manual switching between normal and alternate power sources by means of mechanically interlocked circuit breakers?

A

MBT (Manual Bus Transfer)

162
Q

The purpose is to control the magnetic field of the ship or to make the ship look magnetically invisible

A

Degaussing

163
Q

How many coils are onboard?

A

4

164
Q

What are the 4 coils onboard?

A

A coil
M coil
Fp-Qp coil
Fi-Qi coil

165
Q

What are the two types of water onbard?

A

Feed water and fresh water

166
Q

What is another name for fresh water?

A

Potable water

167
Q

Both feed and fresh water comes from what?

A

EVAP

168
Q

What chemical is added to fresh water?

A

Bromine

169
Q

What is the only water used by the boiler?

A

Feed

170
Q

What is the color piping for Steam?

A

White

171
Q

What is the color piping for Firemain?

A

Red

172
Q

What is the color piping for fuel (DFM)?

A

Yellow

173
Q

What is the color piping for fuel (JP5)

A

Purple

174
Q

What is the color piping for AFFF?

A

Red and Green

175
Q

What is the color piping for Sea Water?

A

Green

176
Q

What is the color piping for Feed Water?

A

Light blue

177
Q

What is the color piping for Potable Water?

A

Dark Blue

178
Q

What is the color piping for Chill Water?

A

Dark blue w/ green stripes

ESWS Board (11 decks)

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