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ESWS Flashcards > ENGINEERING > Flashcards

ENGINEERING Flashcards

1
Q

What’s the purpose of the MRG and Shafting?

A

Convert high speed low torque to low speed high torque

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2
Q

State the description of the MRG

A 
Double input
Single output 
Double reduction
Double helical
Locked train
Articulated
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3
Q

What’s the connection between the MRG and Propulsion Gas Turbine?

A

Turbine to MRG. High speed flexible coupling shaft

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4
Q

What’s the purpose of break mode?

A

Used for running aground. Stops everything real quick

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5
Q

What kind of thrust bearings do we have?

A

Kingsbury (most important)

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6
Q

What’s the purpose of main thrust bearings?

A

Makes us go forward. Absorbs axel thrust and disburses it through the hull.

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7
Q

Where are the main thrust bearing located?

A

One in each shaft

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8
Q

Where are the line shafts located?

A

STB- Main 2 and Shaft Alley

PORT- Shaft Alley

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9
Q

What’s the purpose of line shaft bearing?

A

Absorbs thrust

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10
Q

What’s the purpose of strut bearing?

A

Supports shaft outside skin of ship.

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11
Q

What is strut bearing lubed by?

A

Seawater

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12
Q

Where is the Stern Tube Assemblys located?

A

Shaft alley

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13
Q

What’s the purpose of the stern tube assembly?

A

Goes into the ship. Keeps water out

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14
Q

What is the Lube for MRG?

A

2190

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15
Q

What does CRP stand for?

A

Controllable Reversible Propeller

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16
Q

What’s the purpose of CRP system?

A

Allows ship to go forwards and backwards

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17
Q

What is HOPM?

A

Hydraulic Oil Power Module

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18
Q

What’s the purpose of HOPM?

A

Creates control oil and power oil

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19
Q

How many pumps are there for CRP Pumps?

A

2

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20
Q

Where are the CRP pumps?

A

Attached to MRG and Electric Pump

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21
Q

After oil goes to HOPM, where does it go next?

A

Oil Distribution Box

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22
Q

What’s the purpose of Oil Distribution Box?

A

Control oil tells power oil what to do

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23
Q

Why are the shafts hollow?

A

So Oil can get to and from the blades

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24
Q

What’s the purpose of CRP Head Tanks?

A

Keeps positive pressure in oil system

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25
Q

What oil does CRP use?

A

2190

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26
Q

What’s the purpose of Emergency Hydraulic Pump?

A

Head pitch at 130% for blades

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27
Q

Shafts and blades affect what?

A

Speed of ship

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28
Q

What’s the function of start air?

A

Start GTMs

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29
Q

What’s the purpose of Prairie Air?

A

Masks sound of propellers

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30
Q

What’s the purpose of Anti Icing Air?

A

Keeps from freezing in 40 degree weather at 70% humidity

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31
Q

What’s the purpose of Masker Air?

A

Masks hull of ship

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32
Q

Where does bleed air come from?

A

14th stage GTG and 16th stage GTM

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33
Q

What does bleed air split into? SPAM

A

Start Air
Prairie Air
Anti Icing Air
Masker Air

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34
Q

Where are PACS located?

A

CCS

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35
Q

Where are SCUs located?

A

Engine Room

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36
Q

What does PACs and SCUs do?

A

Mask hull of ship

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37
Q

How many Masker Addmitter Rings do we have?

A

3

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38
Q

What does Masker Addmitter Rings do?

A

Run around bottom of ship

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39
Q

Where are Masker Addmitter Rings located?

A

Main 1&2

Aux 1

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40
Q

What’s the purpose of Masker Addmitter Rings?

A

So nobody can hear us

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41
Q

Where can you steer the ship from?

A

Bridge and AFT Steering

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42
Q

How many ways can we steer the ship?

A

6

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43
Q

What are the 6 ways to steer ship?

A 
BSU
ASU
LCU
Electronic
Emergency Hand Pump
Ratchets
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44
Q

Where is BSU?

A

Bridge

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45
Q

Where is ASU?

A

Aft Steering

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46
Q

Where is LSU?

A

Aft Steering

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47
Q

Where is Electronic?

A

Aft Steering

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48
Q

Where is Emergency Hand Pump?

A

Aft Steering

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49
Q

What are the 5 methods to control steering?

A 
Auto Pilot
Computer Manual
Back Up Manual
Emergency Manual
Emergency Electric
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50
Q

What oil is used for steering gear?

A

2135 TH

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51
Q

Who makes the ACs?

A

York

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52
Q

What’s the AC’s capacity?

A

200 tons

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53
Q

How many ACs are there?

A

5

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54
Q

Where are the ACs?

A

1&1A- Aux 1
2&3- Aux 2
4- Shaft Alley

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55
Q

How many chill water pumps are there?

A

5

56
Q

What’s the purpose of chill water pumps?

A

Moves chill water throughout ship

57
Q

How many expansion tanks do we have?

A

3

58
Q

How much chill water can be stored?

A

750

59
Q

What’s the purpose of expansion tanks?

A

Keeps chill water pressure to 50psi

60
Q

Where are the expansion tanks located?

A

Aux 1
Aux 2
Shaft Alley

61
Q

What type of refrigerant do we have?

A

R134A

62
Q

How many Parisons Refrigerants do we have?

A

2

63
Q

Where are the Parisons Refrigerants?

A

Shaft Alley

Refer Decks

64
Q

Why are the Parison Refrigerants located there?

A

No exhaust in bilge

65
Q

How many refers do we have?

A

2

66
Q

What kind of refers do we have?

A

York

67
Q

What’s the refer’s capacity?

A

1.5 tons

68
Q

What type of Refrigerants do the refers use?

A

R134A

69
Q

What type of distilling plant do we have?

A

Reverse Osmosis

70
Q

How many distilling plants do we have?

A

2

71
Q

What’s the max capacity of the distilling plant?

A

12,000

72
Q

Where are the distilling plants?

A

Main 1

73
Q

How do distilling plants work?

A

Filters out bad stuff from water

74
Q

What’s the purpose of bromine?

A

Kills bacteria and pathogens

75
Q

What’s the appropriate Bromine levels?

A

.2-2.0

76
Q

How many potable water tanks do we have?

A

4

77
Q

How much do the potable water tanks hold?

A

4,000 gallons each

78
Q

Where are the potable water tanks located?

A

Aux 1

79
Q

How many emergency tanks do we have?

A

3

80
Q

How many gallons does the emergency tanks hold?

A

50

81
Q

Where are the emergency tanks located?

A

Medical

Fwd and Aft BDS

82
Q

How many gallons of water for each person?

A

30

83
Q

How many potable water tanks do we have?

A

2

84
Q

Where are the potable water tanks?

A

Aux 1

85
Q

How many Inline Brominators do we have?

A

2

86
Q

Where the Inline Brominators?

A

Main 1

87
Q

How many Recerc Brominators do we have?

A

1

88
Q

Where is the Recerc Brominator?

A

Aux 1

89
Q

How many potable risers do we have?

A

2

90
Q

How many hot water heaters do we have?

A

2

91
Q

Where are the water heaters at?

A

Main 1

92
Q

How many hot water recrec pumps do we have?

A

3

93
Q

Where are the recrec pumps?

A

Main 1 and next to Filter Cleaning Shop

94
Q

What is the function of seawater service system?

A

Cool equipment and Lube Oil

95
Q

How many seawater pumps do we have?

A

5

96
Q

Where are the seawater pumps located?

A

Main 1
Man 2
Aux 1
Shaft Alley

97
Q

What’s the purpose of priority valve?

A

Kills non vital air

98
Q

How many types of Priority Valves do we have?

A

2

99
Q

What are the 2 types of priority valve?

A

Vital and Non Vital air

100
Q

Where is the oil spill containment kit located?

A

STBD break

General Workshop

101
Q

Where is the Oily Water Separator?

A

Aux 2

102
Q

What PPMs is the oil content monitor?

A

15/70

103
Q

Where are the oily water transfer pumps?

A

Main 1&2

104
Q

Where does oily waste get transferred to?

A

Aux 2

105
Q

Where are the deck connections for oil transfer pumps?

A

Main deck PRT/STB

106
Q

Where is the oily waste connection tank?

A

Main 1&2

107
Q

What size is the oily waste collection tank?

A

500 gallons

108
Q

Where is the oily waste holding tank?

A

Aux 2

109
Q

Where is the waste oil tank?

A

Aux 2

110
Q

How many degaussing stations are there?

A

4

111
Q

What are the degaussing coils?

A

A
FI-QI
M
FP-QP

112
Q

What’s the purpose of coils?

A

Reduce magnetic signature

113
Q

Where is the switchboard located?

A

Refer decks

114
Q

How many settling tanks does Lube Oil have?

A

4

115
Q

How many storage tanks does Lube Oil have?

A

6

116
Q

What are Lube Oil tanks used for?

A

Store good Lube Oil

117
Q

What’s the purpose of Lube Oil?

A

Lubrication and cooling

118
Q

What does the main oil system interface with?

A

LOSCA

119
Q

Where does the main oil system run through?

A

Main thrust bearing

120
Q

How many Lube oil pumps does each MRG have?

A

3

121
Q

How many Lube Oil coolers for each MRG?

A

1

122
Q

How many GTMs are there?

A

4

123
Q

What’s the make of the GTMs?

A

LM2500 by GE

124
Q

What does UEC stand for?

A

Universal Electronic Control

125
Q

What oil is used for GTMs?

A

23699

126
Q

What does LOSCA stand for?

A

Lube Oil Storage Conditions Assembly

127
Q

What’s the purpose of LOSCA?

A

Where oil for GTMs is stored

128
Q

What is high pressure side?

A

Where intake combustion occurs

129
Q

What’s the low pressure for air system?

A

Provided by 3 LPACs

130
Q

What does each low pressure air system have?

A

Dehydrator

131
Q

Where are the dehydrators at?

A

1- Main 1

2&3- Main 2

132
Q

How many modes for LPAC?

A

Lead
Lag
Standby

133
Q

What’s the pressure for Lead?

A

115-125psi

134
Q

What’s the pressure for Lag?

A

110-120psi

135
Q

What’s the pressure for Standby?

A

105-115psi

136
Q

How many air receivers do we have?

A

2

137
Q

What is the air tank size?

A

40sq ft

ESWS Flashcards (15 decks)

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