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Esws > Engineering > Flashcards

Engineering Flashcards

1
Q

What are the components of the the Feed phase?

A

DFT - de-aerating feed tank
De-aerates, stores, preheats water
Booster pump - passes water and maintains pressure from dft to main feed pump
Main feed pump - discharge water to boiler at high pressure

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2
Q

What pressure does the boiler use?

A

600psi

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3
Q

What does the boiler do?

A

Generates steam

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4
Q

What is the force draft blower?

A

Provides air for Combustion

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5
Q

What is the electric force draft blower?

A

Provides air for light off of boiler

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6
Q

What are the EVAPS used for?

A

Potable water - laundry, galley, cleaning, personal use

Feed water - boiler

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7
Q

What types of bearings do we have?

A

Main thrust
Line shaft
Strut

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8
Q

What do main thrust bearings support?

A

Absorbs vibration and provides axial thrust to ship’s hull

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9
Q

What do line shaft bearing support?

A

The weight of the shaft inside the ship

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10
Q

What do strut bearings support?

A

The weight of the shaft outside the ship

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11
Q

When do we use the Main Circ Pump?

A

Below 8 knots or going in reverse

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12
Q

What type of boiler do we have?

A

Type D modified, left handed Foster wheeler, 3-burner front

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13
Q

Name all lube oil service pumps

A

ALOP - attach lube oil pump
ELOP - emergency lube oil pump
ESLOP - electric standby lube oil pump

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14
Q

What are the types of fuel onboard?

A

DFM (diesel fuel marine) (F-76)

JP-5

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15
Q

What is DFM used for?

A

Boilers and EDG

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16
Q

What is JP-5 used for?

A

Boilers, P-100s, small boats, helos

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17
Q

What types of distilling plants are onboard?

A

5-stage, flash type, low pressure

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18
Q

How many gallons can one distilling plant produce in one day?

A

50,000 gallons

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19
Q

What is the standard for water consumption per person/per day?

A

25 gallons

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20
Q

What is the maximum capacity for potable water?

A

123,152 gallons

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21
Q

What is the range of psi for the HPAC?

A

1,000 to 3,000psi

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22
Q

What is the range of psi for the LPAC?

A

0-125psi

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23
Q

What is the primary purpose of the HPAC and LPAC?

A

Electronic cooling

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24
Q

What do we use HPAC for?

A

Recharging SCBAs

25
Q

What do we use LPAC for?

A

Radars, tools (needle guns), keeps plant in automatic

26
Q

What is the purpose of degaussing?

A

Reduces ships magnetic signature

27
Q

Name all the coils

A

A coil
M coil
FP-QP coil
FI-QI coil

28
Q

Name the three types of generators we have onboard

A

SSTG
SSDG
EDG

29
Q

What does SSTG stand for?

A

Ships service turbine generator

30
Q

What does SSDG stand for?

A

Ships service diesel generator

31
Q

What does EDG stand for?

A

Emergency diesel generator

32
Q

How many SSTGs do we have?

33
Q

Where is the SSTG(s)?

A

1A In the fire room

1B and 1C in the engine room

34
Q

How many SSDGs do we have?

35
Q

Where is the SSDG(s)?

A

SSDG room. Next to the boat shop

36
Q

How many EDGs are there?

37
Q

Where are the EDG(s)?

A

1 EDG room (scuttle by repair 2)

2 EDG room (scuttle by AC&R shop)

38
Q

What are the parameters for SSTG?

A

450 volts A/C
60hz
2000kw
3200 amps

39
Q

What are the parameters for SSDG?

A

450 volts
60hz
1825kw
2920amps

40
Q

What are the parameters for EDG?

A

450 volts A/C
60hz
750kw
1200 amps

41
Q

What are the four methods of steering?

A

Helm
Trick wheel
Emergency hand pump
Locking nuts

42
Q

How many load centers do we have?

43
Q

What uses 400hz?

A 
Combat systems equipment
Radars
Helos and maintenance
Gyros
CIWS
44
Q

What type of a/c plant is on board

A

250 ton single-stage centrifugal chilled water a/c plant

45
Q

What type of refrigerant do the A/C plants use?

46
Q

How many a/c plants do we have and where are they?

A

6
1/2 in fwd a/c
3/4 in in mid a/c
5/6 in aft a/c

47
Q

What type of emergency Diesel engine do we have?

A

Caterpillar 1305B

48
Q

How many feed water tanks do we have and how much does each hold?

A

2

19,700 gallons each

49
Q

What does EOSS stand for?

A

Engineering operational sequencing system

50
Q

Name the refrigerated compressors

A

4.8 ton reciprocating compressors

51
Q

What type of refrigerant do the refrigerated compressors use?
Where are they?

A

2

In fwd a/c

52
Q

How many water heaters do we have onboard?

53
Q

When potable water is received from a foreign source, what chemical is used?

A

HTH (calcium hypochlorite)

54
Q

What type of main engine do we have?

A

A double reduction, double helical, articulate, non-lock train engine

55
Q

What type of lube oil does the main engine use?

56
Q

What are the engine room watches?

A 
EOOW
MMOW
SCU (switchboard control unit)
Engine room upper level
Engine room lower level
Throttle main
Messenger
57
Q

What are the fire room watches?

A 
BTOW (boiler tech of the watch)
Fire room upper level
Fire room lower level
Burner man
Messenger.
58
Q

What are the phases of the steam cycle?

A

Generate, expansion, condensate, feed

Esws (11 decks)

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