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45 RB-M Engineer > Engineer > Flashcards

Engineer Flashcards

1
Q

Engineer Duties

A

In addition to all duties and responsibilities of a boat crew member, engineers are responsible for propulsion and auxiliary machinery.
Other responsibilities include the preventive and corrective maintenance performed on the boat.

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2
Q

Disabling casualties

A

“Make the boat not serviceable”

EX:

  1. Fuel or oil dripping on a hot surface (400°f)
  2. Fuel oil dilution above 2.5%D
  3. No portable fire extinguishers
  4. Hull breach below waterline
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3
Q

Restrictive Discrepancies

A

“Restrict the operations of the boat such that it can preform some missions, but not all missions safely”

EX:

  1. Bilge pumps inoperative
  2. F/O dripping on a NOT hot surface. 1 drop within 10 minutes.
  3. Nav lights inoperative or incorrect configuration displaying incorrect lighting characteristics
  4. Depth sounder inop
  5. More then <15 drops per minute of J/W, R/W, L/O, Hydraulics, R/G oil
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4
Q

Major discrepancies

A

“Degrade the effectiveness of the boat to perform one or more missions”

EX:

  1. Any fuel leak that drips less than 1 drop within 10 minutes
  2. 01 gen not operation properly
  3. Compass light inoperable
  4. Inability to open/close doors, hatches or scuttles
  5. Less than >15 drops per minute of J/W, R/W, L/O, Hydraulics, R/D oil
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5
Q

Purpose of lube oil

A
  1. Lubricates
  2. Cools
  3. Cleans
  4. Protects
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6
Q

Purpose of fuel oil

A
  1. Lubricates
  2. Cools
  3. Cleans
  4. Powers
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7
Q

Flow of the Electrical system

A

Gens→ ACU cleans it to 240 VAC @ 60hrtz→ Victron multiplus inverter/charger→ battery charger→ batteries-ACR-batteries-24v panel→12v converter→24v panel

Victron multiplus → Transformer 240-120→AC panel

Shoretie→ Shoretie transformer→ Victron multiplus

Gen control panel→ ties to ACU and Victron multiplus

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8
Q

Flow of the Fuel System

A

Fuel tanks→ shut off valves→ primary filters→ fuel pump→ secondary filters→ fuel injectors→ Restricted Orifice (Size 0.08 in) → plate cooler→ check valve→ tank

Hand primer before fuel pump then to secondary filter

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9
Q

Flow of the L/O

A

Engine sump→ pump→ to turbo back to sump→ L/O cooler → filter back to cooler(in-between sample valves)→ pistons→ rocker arms and gear train then gravity falls back to the sump.

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10
Q

Flow of the R/D gear L/O system

A

R/G sump→ pump→ R/G→ to the thermostat→ sump or → to the shell and tube cooler→ then back to the sump.

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11
Q

Flow of the J/W system

A

J/W pump→ L/O cooler→ engine block→ head→ thermostat→ back to the pump or thermostat→ back to plate cooler→ back to the pump

Also hits the turbo and exhaust manifold then dumps to the thermostat.

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12
Q

Flow of the Raw water system

A

Seachest→ valves→ strainers→ pump→ (shared gear train with the hydraulic pump)→ plate cooler→ splits off hits CAC then back to main line→ R/G cooler(shell/tube)→ deicing valve→ then muffler→ then → OVBD

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13
Q

Flow of the Hydraulic System

A

09 gallon tank→ pump (shared gear train with raw water pump)→ DCV’s→ Bucket ram→ Steering ram→ Intercept ram→ Keel cooler→ filter→ tank

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14
Q

Flow of the FM-200 system

A

Coxswain side Nitrogen bottle (1,800 psi)→ 30 second delay at same time hitting pressure switch to cut ventilation and kills engines→ then FM-200 agent (30lbs 340 psi)→ then hits 03 dampeners and enters the engine room.

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15
Q

Flow of the bilge pump system

A

Fore peak→ Starboard (frame #15 )

Survivors compartment→ Portside (frame #10)

Auxiliary space→ Port and Starboard (frame #07)

Engine room→ Starboard (frame #02)

Laz→ Aft (frame #0)

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16
Q

General specifications

  1. Length overall:
  2. Beam overall:
  3. Draft:
  4. Free board
    - bow:
    - amidships:
    - aft:
  5. Highest point
    - fixed:
    - unfixed:
A
  1. 44’9’’
  2. 14’8’’
  3. 3’4’’
  4. -4’9’
    • 1’11’’
    • 2’11’’
  5. -13’1’’
    • 20’9’’
17
Q

General specifications

Fuel capacity

  1. 100%
  2. 95%
A
  1. 510 gal

2. 485gal

18
Q

General specifications

  1. Generator kw
  2. Rated engine horse power
A
  1. 8 kilowatts
  2. 825hp @ 2300 RPM

Gen info: M.E.P.S.
mobile electric power solution

19
Q

General specifications

  1. Displacement with out crew
A
  1. 36,700 lbs
20
Q

General specifications

  1. Maximum personnel
A
  1. 24 total (220lbs each)
21
Q

General specifications

  1. Maximum seas
  2. Maximum winds
A
  1. 10ft

2. 30kts

22
Q

General specifications

  1. Maximum operating distance from shore:
  2. Range at 30KTS in calm water:
A
  1. 50 nm

2. 250+ nm

23
Q

General specifications
(knots)

  1. Maximum speed:
  2. Cruising speed:
A
  1. 40+ kts

2. 30 kts

24
Q

General specifications

1. Maximum towing capacity:

A
  1. 100 displacement tons (224,000lbs) (1 DT is 2,240lbs)
25
Q

General specifications

1. Ice operations:

A
  1. Light surface ice and slush at idle speed (650 RPM)
26
Q

General specifications

  1. Reduction gear ratio:
  2. Red gear L/O capacity and type:
A
  1. 1.02 : 1 reduction
  2. 2.8 gal of 15W40 L/O (11.2qts)

R/G model: Twin Disc MG5114SC

27
Q

General specifications

Engine L/O capacity and type:

A
  1. 43 qts of 15W40 L/O (10.75gal)

Model of Engine: MTU Detroit Diesel

28
Q

General specifications

Engine coolant capacity and type:

A
  1. 15 gal of 50/50 Power Cool fluid (60qts)
29
Q

General specifications

Hydraulic fluid capacity:

A
  1. 09 gal tank of DTE 24 fluid (36qts)
  2. 12 gal total in system (48qts)

Water jet model: Kamena Rolls Royce FF
Model #: 375S

30
Q

Engine specifications (PSI: L/O)

  1. Normal MDE oil psi @ 2300 rpm:
  2. Disabling MDE oil psi @ 2300 rpm:
  3. Disabling MDE oil psi @ Idle (650rpm):
A
  1. greater then > 41psi
  2. less than < 31 psi
  3. less than < 10 psi
31
Q

Engine specifications

  1. Maximum RPM:
  2. Cruising RPM:
A
  1. 2350 rpm

2. 1950 rpm

32
Q

Engine specifications (TEMP: J/W)

  1. Disabling coolant temp:
  2. Normal coolant temp:
  3. Restrictive coolant temp:
A
  1. less than <140°f and greater than > 211°f
  2. 140°f to 185°f
  3. 186°f to 211°f
33
Q

Engine specifications
(TEMP: R/G L/O)

  1. Normal red gear oil temp:
  2. Restrictive red gear oil temp:
  3. Disabling red gear oil temp:
A
  1. 130°f to 185°f
  2. 186°f to 192°f
  3. greater than > 193°f
34
Q

Engine specifications (PSI: R/G L/O)

  1. Normal DISengaged red gear psi:
  2. Normal ENgaged red gear psi:
A
  1. 15psi to 65psi

2. 186psi to 250psi

45 RB-M Engineer (1 decks)

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