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ABF Rating Manual (NAVEDTRA 14322A) > Chapter 2 > Flashcards

Chapter 2 Flashcards

0
Q

Which of the following is NOT considered a major pumping system?

A.) Fill and transfer system
B.) Stripping system
C.) Jet test system
D.) Service system

A

C.) Jet test system

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1
Q

The service system is typically designed to be isolated into how many quadrants?

A

Four

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2
Q

Transfer main branch headers connect the transfer main to…

A

storage tank manifolds

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3
Q

What valves are used to isolate the transfer system during secured conditions and to control the flow of JP-5 during various transfer and filling operations?

A

Bulkhead cutout valves

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4
Q

What devices are arranged in the transfer pump’s discharge header to enable both purifiers to operate simultaneously using any two of the three transfer pumps?

A

Two cutout valves

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5
Q

What system provides the capability to reclaim JP-5 received from hose flushing, tank stripping operations, and the initial flow from the fueling-at-sea (FAS)?

A

Reclamation system

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6
Q

The centrifugal pump used in the JP-5 service system is rated at what gpm capacity?

A

1,100 gpm

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7
Q

In addition to the two wearing rings installed in the pump casing between the suction and discharge chambers, where are the centrifugal pump’s other two wearing installed?

A

On the impeller

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8
Q

The centrifugal pump impeller is centered and secured in the pump casing by what devices?

A

Shaft sleeves and shaft nuts

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9
Q

Rotary vane pumps used for stripping are designed to pump approximately how many gallons per minute and at what pressure?

A

50 gpm at 50 psi

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10
Q

On a rotary vane pump, what component houses the ball bearings and mechanical seals?

A

Cylinder head

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11
Q

What type of coupling is a flexible grid member that engages the teeth in the hubs to transmit power?

A

Falk type-F steel flex

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12
Q

What valve design allows no metal-to-metal contact during regular operations?

A

High-performance butterfly

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13
Q

What component on the LIMITORQUE valve operator operates the OPEN and CLOSE position indicator lights for the valve?

A

Limit switch

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14
Q

What device ensures the disk is centered into the base of the valve body in a manifold?

A

Disk guide

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15
Q

On a manifold, what connects the main-side valve to the tank-side valve?

A

Nozzle

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16
Q

Which of the following is NOT a function of the flood and drain manifold?

A

Transferring

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17
Q

What are the three chambers inside the service filter shell?

A

Inlet, fallout, and outlet

18
Q

When fuel flows from the coalescer elements to the separator elements, the coalesced water falls out of the fuel by gravity. In which chamber does this take place?

A

Fallout

19
Q

What is the pressure drop limit, in psi, on the service fuel filter?

A

15

20
Q

During centrifugal purifier operations, where are the solid contaminants collected after they are separated from the fuel?

A

On the inside bowl wall

21
Q

What are the ideal operating pressures of the 300 gpm centrifugal purifier?

A

15 to 25 psi inlet and 20 psi outlet

22
Q

A total of how many sets of ball bearings support the spindle assembly?

A

Three

23
Q

What disk provides a rotating casing for the centripetal pump?

A. Top disk
B. Coupling disk
C. Intermediate disk
D. Paring disk

A

A.) top disk

24
Q

When the purifier is in the standby mode, how often should you check the inlet-outlet housing and bowl cover to make sure they are cool to the touch?

A. Every 5 minutes
B. Every 7 minutes
C. Every 10 minutes
D. Every 15 minutes

A

A.) every 5 minutes

25
Q

What type of gauge is normally installed on the service filter to read pressure changes from inlet and outlet chambers?

A. Simplex
B. Compound
C. Differential
D. Duplex

A

.

26
Q

What type of tank, located between voids, is an integral part of the ship’s underwater protective system?

A. Wing
B. Deep centerline
C. Double-bottom
D. Peak

A

.

27
Q

What is the difference between the JP-5 in a servicetank, compared to JP-5 in a storage tank?

A. It passes through a filter or centrifugal purifier.
B. It is filled directly from the refueling station downcomer.
C. It contains clean JP-5 defueled from defueled aircraft.
D. There is no difference.

A

.

28
Q

Which of the following fittings is installed at the lower end of a sounding tube?

A. Brass vortex plate
B. Striker plate
C. Brass non-vortex plate
D. Bellmouth plate

A

.

29
Q

The STAR TLI uses a sound assembly that allows the radar head to _________ away from the sounding tube.

A. lift
B. fall
C. swivel
D. lock

A

C.) swivel

30
Q

The STAR TLI has how many modes of operation?

A

2 (normal, simulation)

31
Q

During normal operation, the STAR TLI will output a ________ mA signal in proportion to the level of liquid in the tank.

A

level A 4 to 20

32
Q

How does the operator control pumps and valves form the JP-5 Control Console?

A

By selecting displayed symbols and pop-up dialog boxes via screen displays.

33
Q

When the JP-5 Trans/Strip is activated on the Forward Delivery screen, what happens?

A

.

34
Q

On the General Fault or Alarm Display and Description table, what view indicates Cutout?

A

.

35
Q

What does the description “unauthorized fill” mean?

A

.

36
Q

When the pump is activated using the Control Console, what does the pump indicator display when the pump is running normally?

A

.

37
Q

On the console display, an upper case letter E next to the valve symbol for a commandable valve indicates that the valve is________.

A

.

38
Q

Tank level on a partially filled tank is light ________.

A

.

39
Q

What copy of the AFOSS would be found in a filter room?

A

.

40
Q

Before fuel can be pumped into any tank in a nest of storage tanks, what condition must be met?

A

.

41
Q

After the initial samples are obtained, how often are samples taken when on-loading fuel?

A

.

42
Q

Select the correct sequence of flow when off-loading JP-5 from a servicetank.

A

.

43
Q

What is the Navy’s largest pollution problem?

A

.

ABF Rating Manual (NAVEDTRA 14322A) (2 decks)

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