Engineering

Question 1

What are the components of the the Feed phase?

Answer 1

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

Question 2

What pressure does the boiler use?

Answer 2

600psi

Question 3

What does the boiler do?

Answer 3

Generates steam

Question 4

What is the force draft blower?

Answer 4

Provides air for Combustion

Question 5

What is the electric force draft blower?

Answer 5

Provides air for light off of boiler

Question 6

What are the EVAPS used for?

Answer 6

Potable water - laundry, galley, cleaning, personal use

Feed water - boiler

Question 7

What types of bearings do we have?

Answer 7

Main thrust
Line shaft
Strut

Question 8

What do main thrust bearings support?

Answer 8

Absorbs vibration and provides axial thrust to ship’s hull

Question 9

What do line shaft bearing support?

Answer 9

The weight of the shaft inside the ship

Question 10

What do strut bearings support?

Answer 10

The weight of the shaft outside the ship

Question 11

When do we use the Main Circ Pump?

Answer 11

Below 8 knots or going in reverse

Question 12

What type of boiler do we have?

Answer 12

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

Question 13

Name all lube oil service pumps

Answer 13

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

Question 14

What are the types of fuel onboard?

Answer 14

DFM (diesel fuel marine) (F-76)

JP-5

Question 15

What is DFM used for?

Answer 15

Boilers and EDG

Question 16

What is JP-5 used for?

Answer 16

Boilers, P-100s, small boats, helos

Question 17

What types of distilling plants are onboard?

Answer 17

5-stage, flash type, low pressure

Question 18

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

Answer 18

50,000 gallons

Question 19

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

Answer 19

25 gallons

Question 20

What is the maximum capacity for potable water?

Answer 20

123,152 gallons

Question 21

What is the range of psi for the HPAC?

Answer 21

1,000 to 3,000psi

Question 22

What is the range of psi for the LPAC?

Answer 22

0-125psi

Question 23

What is the primary purpose of the HPAC and LPAC?

Answer 23

Electronic cooling

Question 24

What do we use HPAC for?

Answer 24

Recharging SCBAs

Question 25

What do we use LPAC for?

Answer 25

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

Question 26

What is the purpose of degaussing?

Answer 26

Reduces ships magnetic signature

Question 27

Name all the coils

Answer 27

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

Question 28

Name the three types of generators we have onboard

Answer 28

SSTG SSDG EDG

Question 29

What does SSTG stand for?

Answer 29

Ships service turbine generator

Question 30

What does SSDG stand for?

Answer 30

Ships service diesel generator

Question 31

What does EDG stand for?

Answer 31

Emergency diesel generator

Question 32

How many SSTGs do we have?

Answer 32

3

Question 33

Where is the SSTG(s)?

Answer 33

1A In the fire room | 1B and 1C in the engine room

Question 34

How many SSDGs do we have?

Answer 34

1

Question 35

Where is the SSDG(s)?

Answer 35

SSDG room. Next to the boat shop

Question 36

How many EDGs are there?

Answer 36

2

Question 37

Where are the EDG(s)?

Answer 37

1 EDG room (scuttle by repair 2) | 2 EDG room (scuttle by AC&R shop)

Question 38

What are the parameters for SSTG?

Answer 38

450 volts A/C 60hz 2000kw 3200 amps

Question 39

What are the parameters for SSDG?

Answer 39

450 volts 60hz 1825kw 2920amps

Question 40

What are the parameters for EDG?

Answer 40

450 volts A/C 60hz 750kw 1200 amps

Question 41

What are the four methods of steering?

Answer 41

Helm Trick wheel Emergency hand pump Locking nuts

Question 42

How many load centers do we have?

Answer 42

15

Question 43

What uses 400hz?

Answer 43

``` Combat systems equipment Radars Helos and maintenance Gyros CIWS ```

Question 44

What type of a/c plant is on board

Answer 44

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

Question 45

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

Answer 45

R-236FA

Question 46

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

Answer 46

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

Question 47

What type of emergency Diesel engine do we have?

Answer 47

Caterpillar 1305B

Question 48

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

Answer 48

2 | 19,700 gallons each

Question 49

What does EOSS stand for?

Answer 49

Engineering operational sequencing system

Question 50

Name the refrigerated compressors

Answer 50

4.8 ton reciprocating compressors

Question 51

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

Answer 51

2 | In fwd a/c

Question 52

How many water heaters do we have onboard?

Answer 52

21

Question 53

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

Answer 53

HTH (calcium hypochlorite)

Question 54

What type of main engine do we have?

Answer 54

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

Question 55

What type of lube oil does the main engine use?

Answer 55

2190 TEP

Question 56

What are the engine room watches?

Answer 56

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

Question 57

What are the fire room watches?

Answer 57

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

Question 58

What are the phases of the steam cycle?

Answer 58

Generate, expansion, condensate, feed