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Pump Room > Pump Room > Flashcards

Pump Room Flashcards

1
Q

What would indicate bad mechanical seals on the stripping pump?

A
  1. Black grease coming from the tell-tale hole.

2. Fuel coming front he tell-tale hole.

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2
Q

What are the positions of the inlet and discharge valves on the purifier when it is put in stand-by?

A

Inlet closed / discharge open

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3
Q

What is the type and capacity of TR purifiers?

A

De-level , centrifugal , 300 GPM , 4100 RPM

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4
Q

What is the capacity and type of oil used in the purifier ?

A

8-8 1/2 quarts of go 80-90

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5
Q

What is the ideal inlet/discharge pressure on a 300 GPM purifier ?

A

15 +/- 5 psi inlet

25 +/- 5 psi discharge

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6
Q

What is the type and capacity of transfer pumps on GW?

A

Blackmer, rotary vane, 300 GPM, 50 psi

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7
Q

The paring disc acts as what inside the purifier ?

A

Centripetal pump

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8
Q

What is the cause of water being discharged through the 1 1/2” drain line upon initial start up?

A

Faulty bowl shell O ring

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9
Q

When are the motor stripping pumps used on a service tank ?

A

Remove wash water / offload

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10
Q

Who must be contacted prior to stripping anything over the side ?

A

EOOW in DCC

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11
Q

The reclaim filter is designed to remove ?

A

Water and sediment

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12
Q

What is the main purpose of the reclaim system ?

A

Maximize the use of fuel
Reclaim the contam tanks
Reclaim the stowage tanks

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13
Q

How often are the stowage tanks stripped ?

A

Weekly and prior to transfer

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14
Q

What test determines the size of the discharge ring ?

A

Specific gravity test

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15
Q

What is the sea chest used for?

A

Ballast and de ballast tanks

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16
Q

How many elements are in the reclaim filter?

A

29

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17
Q

What is the maximum allowable cake on the bowl wall?

A

30 lbs. or 1 1/2”

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18
Q

Transfer pumps relieve at what pressure?

A

62 psi

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19
Q

You can not use all the transfer pumps at once ?

A

True

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20
Q

How many operations can you perform using the drain and food manifold at one time?

A

1

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21
Q

What is the maximum filling rate from stowage to stowage ?

A

500 GPM

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22
Q

Transfer pump specs

A

300 GPM at 50 psi

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23
Q

Stripping pump specs

A

50GPM @ 50 psi

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24
Q

Auxiliary pump specs ?

A

50 GPM @ 100 psi

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25
Q

Service pump specs?

A

1100 GPM @ 150psi

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26
Q

Hand stripping pump specs

A

30 GPM at 15psi

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27
Q

Service filter specs?

A

2000GPM at 150psi

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28
Q

What fire fighting equipment is used in pump room?

A 
Portable CO2
Portable PKP 
AFFF 
Halon
Bilge sprinklers
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29
Q

If a JP5 purifier is up to speed, how many bumps on the rotating cap?

A

146-152 bumps

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30
Q

You are allowed to align 2 transfer pumps to one transfer filter?

A

False

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31
Q

How many gallons are recirculated back to the service tank from the service pump?

A

55 gallons

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32
Q

What supports all the rotating elements of the service pump?

A

The shaft

33
Q

What are the 3 major components of the reclaim filter ?

A

Transfer pump
Prefilter
Filter separator

34
Q

What damage control classifications is assigned to most valves in the JP5 system?

A

Circle X-ray

35
Q

What is one major difference between service and stowage tanks?

A

Service tanks have separate suction and fill pipes .

36
Q

Why do the holes in the recirculation line face up?

A

So it will not agitate bottom of tank

37
Q

You can not motor strip contamination tanks into sump?

A

True

38
Q

If a service pump has insufficient pressure , what can be wrong?

A

Worn out wearing rings
Obstruction in discharge piping
Recirculation line is closed

39
Q

What provides drive to the spindle and what is the method of lubrication?

A

Worm wheel gear/ sloshing

40
Q

The T-handle is connected to what?

A

Feed tube assembly

41
Q

What is the last step when shutting down the purifier ?

A

Close the discharge valve

42
Q

All JP5 fueling procedures should be accomplished IAW what?

A

AFOSS

43
Q

How many transfer pumps are required for each transfer filter to be placed in operations?

A

1

44
Q

How is the service pump impeller held in place on the shaft?

A

Keyed

45
Q

Where is the coupling seat located on the purifier?

A

On top of the discharge ring

46
Q

The top disc covers the intermediate discs and forms a pump casing for what component of the purifier ?

A

The pairing disk

47
Q

The red line on the purifier sight glass indicates proper oil level when the purifier is not in use?

A

False

48
Q

On the JP5 service pumps a minimum of what psi is reached before opening pump discharge valve ?

A

100psi

49
Q

What acts as a dam to to maintain proper line of separation in the purifier bowl?

A

Discharge ring

50
Q

The four types of valves used in the JP5 system are globe,gate,butterfly, and one-way check valve?

A

True

51
Q

The reclamation system is used JP5 from contaminated settling tanks to ?

A

Minimize water

52
Q

The recirculation cross connects on the service pumps are normally closed when offloading ?

A

True

53
Q

The aux pump takes suction from the JP5 service pump suction header and recirculates back to the contam tanks?

A

False

54
Q

How many transfer pumps maybe be used to consolidate fuel based on a 500GPM filling rate?

A

2

55
Q

When in use , the aux pump recircs back to the contam tanks ?

A

False

56
Q

The service pump has how many chambers and what are they?

A

2 suction and 1 discharge

57
Q

How can you tell which manifolds are for double bottom and/or wing tanks ?

A

Wing tank manifolds have the root valve before each tank top

58
Q

On the flood and drain manifold, how many operations can be performed at one time and what ensures this?

A

1: sliding lock bar

59
Q

In what direction do you turn the T handle to engage the paring disk ?

A

Counter clock wise

60
Q

What directs fuel to the tubule shaft of the purifier ?

A

Disk stack

61
Q

On the rotary vane pump what prevents leakage along the shaft and into the bearing housing?

A

Mechanical seal

62
Q

How far off the bottom of a storage tank is the motor stripping tail pipe located?

A

1 1/2”

63
Q

What is at the bottom of the fill and suction line to prevent a vortex?

A

Non - vortex , bell mouth fitting

64
Q

The hand operating stripping system tailpipe is how far off the service tank bottom

A

3/4”

65
Q

The stripping pump inlet piping contains a ?

A

40 mesh basket strainer

66
Q

The auxiliary system provides fuel to what locations ?

A

EDG, tractor filling. Incinerator . Auxiliary boilers

67
Q

Operation for purifying ?

A
  1. Pre-check/start/up to speed
  2. start transfer pump , open discharge
  3. open purifier inlet
  4. Close/throttle transfer recirc valve
  5. Throttle the purifier outlet valve
68
Q

What is the delivery pressure of the aux pump to the hangar bay?

A

60 psi

69
Q

The reclamation system is designed to remove how much sediment and water ?

A

98% of sediments 5 microns or larger

99.9% of water

70
Q

When reclaiming using the transfer pumps , the following valves must be opened?

A

Transfer pump recirculation

71
Q

Where are the valves for 8-9-0-J located ?

A

17 trunk

72
Q

When it’s required to switch service tanks , what must be done prior to opening the next tank?

A

Take a visual sample

73
Q

What component or operation doesn’t apply to the JP5 service pump?

A

Positive displacement

74
Q

If the JP5 service pump fails to reach 35 psi in 1 minute, what will happen?

A

It shuts down automatically

75
Q

The inside diameters of the discharge rings range from ?

A

220-250MM

76
Q

What is the difference between the stripping valves used in 2 pump and 3 pump ?

A

Nothing both manual

77
Q

How often are samples taken from the purifier outlet valve?

A

Start -up and every 15 min. Thereafter

Also coming out of new stowage tank

78
Q

What is used to remove sludge and water that settles at the bottom of the tanks during stowage ?

A

Stripping pumps

Pump Room (8 decks)

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