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REVOL NROP > Eerht > Flashcards

Eerht Flashcards

1
Q

The Air Force uses which deployable assets for beddown of combat expeditionary forces?

A

Basic Expeditionary Airfield Resources

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2
Q

What dictates how and when BEAR assets deploy under the BEAR
Order of Battle concept?

A

Air & Space Expeditionary Task Force

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3
Q

According the BEAR Order of Battle concept the XFAPH High Power Unit Type code provides two BEAR Power Units and what additional equipment?

A

Two 10k fuel bladders

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4
Q

What factor should be considered to prevent environmental damage during BEAR operations?

A

Hazardous waste storage and disposal

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5
Q

Why must total diversified load be calculated?

A

To decide the correct Number of low and high voltage generators

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6
Q

If loads are not balanced properly between phases, how will this affect the generator

A

The generator will not support full load or regulate voltage

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7
Q

If the base is located in a high threat location, what must be done to the electrical system?

A

Utilize a loop system to distribute electrical power

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8
Q

Why should power plants have the capability of being electrically interconnected?

A

To ensure some degree of electrical generation after an attack

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9
Q

Why does the Primary Switching Center allow for a safer work environment when dealing with the primary distribution system?

A

Because the SF6-insulated tank prevents arching

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10
Q

The contingency environment for installing a Primary Switching Center must be what?

A

Firm and well drained

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11
Q

3E0X1 personnel will assemble and install ______ onsite prior to making connections to the equipment.

A

Load brake elbow connectors

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12
Q

Why must the primary distribution cables be as short as possible when installed at a bare base?

A

To prevent voltage drop at the secondary distribution center

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13
Q

On an SDC, what prevents power from being supplied to both the primary and the alternate power source?

A

Positive locking bar

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14
Q

When using a 60 kW Power Distribution Panel, how many 25 kW Power Distribution Panels can be connected to it?

A

4

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15
Q

When installing BEAR base 60 amp secondary cable assemblies, the maximum distance of cable runs is _____ if no other alternative exists.

A

800’

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16
Q

To supply power from the primary distribution system to the 16 low-voltage outputs of the Secondary Distribution Center, what must occur first?

A

Get stepped down by the 150 kVA transformer

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17
Q

Maintenance personnel must exercise extreme caution at all times.
What could the consequences of carelessness and accidental contact be?

A

Severe injury or death

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18
Q

When grounding power plant units, what should be referenced?

A

The technical order

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19
Q

What should personnel wear when performing tasks on medium voltage power distribution components?

A

Arc thermal Protective Value rated clothing

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20
Q

Who is authorized to disconnect power plant output cables?

A

Electrical systems personnel

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21
Q

Which generator operating mode employs an electronic governor?

A

Precise

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22
Q

What characteristic describes an 800 series MEP unit?

A

Employ sound absorbent technology

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23
Q

Which MEP unit utilizes full control authority for fuel governing?

A

AMMPS

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24
Q

What characteristics describe the legacy MEP units?

A

Primarily mechanical or electromechanical parts

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25
Q

When using the American Wire Gauge system for cable selection the higher the gauge number indicates what?

A

Smaller cross-sectional area

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26
Q

Aluminum cables are generally selected for use in

A

High voltage applications

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27
Q

If using a multi-conductor cable assembly then you must ensure?

A

The cables have the proper number of conductors for the application

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28
Q

The #1 criteria for selecting cables is?

A

Can the cable safely conduct the current of the load

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29
Q

Prior to connecting three-phase cables to a generator, distribution panel or load, the phase cables must be?

A

Properly identified by color coding, marking tape or tagging

30
Q

When multiple conductors of the same insulation color go through conduit, it is necessary to?

A

Identify each phase cable prior to installation

31
Q

After the method used for phase identification is applied it will be?

A

Permanently posted near terminals

32
Q

What could result if phase identification was not done correctly?

A

Three-phase motors turn in the opposite direction than intended

33
Q

When stored outside, what will be the life expectancy of the BPU?

A

25 years

34
Q

Why does the BPU use a three-point elastomer isolation configuration when anchoring the chassis skid to the trailer assembly?

A

To reduce noise and vibration

35
Q

How long will the on board fuel system sustain engine operation if the BPU is fully loaded?

A

1 hour

36
Q

What feature of the BPU allows for the connection of an external DC power supply, if the onboard batteries fail?

A

NATO and Aircraft plugs

37
Q

If the Digital Control System on the BEAR Power Unit needed to display a warning which color on the annunciator would illuminate?

A

Yellow

38
Q

What is needed to operate BEAR Power Units from a remote location?

A

Remote operating panel software

39
Q

When does the BEAR Power Unit utilize the pre-lubrication pump?

A

During startup

40
Q

After BPU engine start up, which component supplies power to the DC system?

A

Battery charging alternator

41
Q

What is the purpose of properly spacing BPUs during installation?

A

To provide room for maintenance access and adequate air supply

42
Q

When selecting a site for the BPU, what is the maximum acceptable ground slope for installation?

A

+or-8°

43
Q

What is the recommended height of a sunshade over a BPU?

A

20’

44
Q

Why must the distance between the fuel bladders and the BPU not exceed 100 feet?

A

The on board fuel transfer pump does not generate enough negative pressure

45
Q

When operating the BPU in a humid environment, what is necessary to prevent condensation build within the fuel tank?

A

Refuel more often

46
Q

When operating the BPU in temperatures below-25° F the Digital Control System uses what to heat the coolant for proper engine startup?

A

Fuel-fired coolant heater

47
Q

When the BPU fuel looks cloudy during cold temperature operations, then the fuel has reached what point?

A

Cloud point

48
Q

Operating the BPU in temperatures above 125° F may require the installation of _______ to prevent solar heat buildup on generators and fuel sources.

A

Sunshades

49
Q

If the engine oil used in the BEAR Power unit is 15W-40 then it would get drained and refilled during which scheduled inspection?

A

400 hour

50
Q

During the 4000 hour inspection, the BEAR Power Unit’s battery-charging alternator belt is replaced to

A

Ensure proper speed of the alternator and continue to provide proper voltage

51
Q

When would depot maintenance personnel complete an overhaul of the BEAR Power Unit?

A

After 24000 hours of operation

52
Q

If water or sediment is found in the BEAR Power Unit primary fuel water separators during the daily inspection personnel would

A

Remove all contaminants to prevent damage to fuel system components

53
Q

Which electrical scheduled inspection requires the BPU chassis ground connection checked for security and resistance value?

A

Every 400 hours

54
Q

Why must the BPU’s load ground connection, output terminals and parking stands be inspected daily?

A

To prevent arc flash hazards

55
Q

During an annual/8800 hour inspection of the BPU, ensure the entire circuit breaker and operating mechanisms are inspected for what?

A

Loose parts or connections

56
Q

What must be done if corrosion is discovered during a daily inspection of the BPU’s battery and connections?

A

Remove the corrosion according to the technical order

57
Q

What is the first step in viewing inactive or intermittent faults using the InPower BPU service tool?

A

Selecting [Faults], and then selecting [Fault Occurrences]

58
Q

What is the purpose of Shutdown, Fault, and Warning Codes?

A

Aid in the troubleshooting of generator problems

59
Q

What type of code will allow the generator to continue to operate, giving operators time to correct?

A

Warning code

60
Q

What code requires an action to reset the fault?

A

Fault code

61
Q

What controls all functions of the BPU’s electrical generation, through the Automatic Voltage Regulator logic, and interfacing with the Engine Control Modules (ECM)?

A

Digital control system

62
Q

When the maximum number of operational and maintenance log entries of the BEAR Power Unit gets reached, what will the Digital Control System do?

A

Overwrite old entries

63
Q

The Remote Operating Panel software can be used to control the
BEAR Power Unit from a remote location. Where can it be found?

A

DCS flash drive memory

64
Q

What application standard enables the DCS and ECMs on the BPU to control all functions of the engine?

A

SAE J1939

65
Q

What function of InPower can energize a specific electrical component without damaging the unit or possibly injuring personnel?

A

Testing

66
Q

What requirements must be met to use InPower BPU on a standard personal computer?

A

All answers are requirements in order to use InPower
BPU

67
Q

Using InPower BPU, when would an initial calibration file be installed on a DCS?

A

If no previous capture file exists

68
Q

Which of the following is NOT an InPower BPU data log option?

A

Error log

69
Q

Small shelter systems offer an advantage over temper tents because
__________.

A

It can be setup by 6 people in approximately 1.5 hours

70
Q

When comparing SSSs to temper tents, which of the statement(s) is/are accurate?

A

All of these

71
Q

When more permanent facilities are developed, what type of type of tents are no longer used ?

A

SSS

72
Q

Why is SSS better than Temper tent?

A

Because SSS has a life span of 10 years when erected for longer periods of time

REVOL NROP (4 decks)

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