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Power Pro Book 1 Flashcards

Memorize facts about first section of cdc

1
Q

What is the minimum number of fully qualified people that AFI require to be present when you must work on an energized circuit?

A

Two

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2
Q

Who is authorized to approve workon wnergized circuits and/or equipment?

A

Base civil engineer.

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3
Q

Which boundary is based upon the arc fault on the surface of the skin and requires anyone within the boundary to wear proper PPE.

A

Arc flash

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4
Q

What is the minimum distance for the flash protection boundary for all energized equipment under 750 VAC

A

10ft

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5
Q

What type of materials is prohibited from being worn when working near energized equipment.

A

Acetone, nylon, polyester, and rayon.

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6
Q

If the power cannot be turned off, what should you use to move the victim away from the live current or the current away from the victim.

A

Insulated object

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7
Q

You never apply what to a burn because it causes more damage to the tissue.

A

Ice

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8
Q

What is the body’s natural attempt to keep oxygen-rich blood flowing to the most important organs, such as the brain, heart and lungs.

A

Shock

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9
Q

When filling out an AFF 487, Generator operating log, what site documentation are you checking for currency.

A

Generator training letter, one line diagram, operating instructions

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10
Q

Which generator authorization request form is used during the planning and prgramming portion of a new project.

A

New facility generator authorization request.

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11
Q

When is a fuel one-line diagram required at a generator site?

A

If an external fuel tank is installed

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12
Q

Which TO series covers generators

A

35C2

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13
Q

Which TO series covers AAS

A

35E8

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14
Q

What tool measures the depth of an item?

A

Depth gage

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15
Q

What tool do you use for determining the thickness of objects, the distance between surfaces, and the depth of openings in mechanical parts?

A

Calipers

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16
Q

Which tool do you use to tighten a nut or a bolt to a given amount of pressure?

A

Torque wrench

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17
Q

What type of handheld tachometer is equipped with reflective strips and the tachometer.

A

Photo

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18
Q

What is the key to reliable soldering?

A

Cleanliness

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19
Q

When preparing soldering equipment for soldering, after you clean and dress the soldering tip, you heat and tin it with what.

A

Solder

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20
Q

When preparing equipment for soldering, clean terminals wirh a pencil style typewriter eraseruntil tinned surfaces are

A

Bright and shiny

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21
Q

When measuring voltage using a multimeter, you connect the probes in

A

Parrelel with the power source.

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22
Q

What are the correct steps (in correct order) to measure current in an AC or DC circuit?

A

Power off, connect probe, power on, take reading, power off, disconnect probe.

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23
Q

When checking amperes in a circuit with a clamp on ammeter, a safety precaution is to make sure the test probes are

A

Disconnected from the input jacks.

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24
Q

Which device is a quick and convenient tool for determining the overall condition of a battery?

A

Battery load tester

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25
When load testing batteries, how many seconds do you hold the load switch on the tester?
10 Seconds
26
Which test instrument is used for testing grounds?
Earth resistance tester
27
When doing the 3-pole fall of potential ground test using the earth resistance tester, at a minimum, how far apart must your probe stake be from the earth ground electrode?
64 ft
28
When installing current transformers clamps, which way does the arrow need to point?
With Current Flow
29
What battery charger component decreases the input voltage to the required output voltage to provide the battery with a charge?
Power Transformer
30
Which battery charger component rectifies AC output of power transformer to DC
Power Diode
31
What is the primary concern when adjusting a battery charger
Output Voltage
32
What battery charging fault situation is indicated by a fully charged battery and a high charging rate?
Defective voltage regulator
33
Which Load bank control contains reconnection bards that can be removed and configured according to the voltage input from the generator?
Voltage reconnection panel
34
Which load bank control is a series of switches used to select a specific resistive load value from the generator?
kW load step switches.
35
Which load bank control is used to check voltage between phases of generator output during three-phase operation?
Volts select switch
36
Which load bank control illuminates if the blower fails?
Blower Fail Indicator
37
What is the purpose, besides preventing carbon buildup, of operating a generator using a load bank?
It lets you know that the generator is capable of operating at full load
38
When you must connect the load bank cables to the ends of the generator output cable, you must...
wrap the connections with insulating tape
39
How will you know where to place the reconnection bars to set them for the proper voltage?
A diagram of configuration on the load bank.
40
Before you install an electrical component on a load bank, be sure it
Has the same electrical rating as the one being replaced.
41
Which type of corrosion do we find most on aluminum?
Pitting
42
Which type of corrosion is a further form of inter-granular corrosion associated with high strength aluminum alloys?
Exfoliation
43
What is the key to a good corrosion control program?
Preventive maintenance
44
Which coolant heater has the main advantage of warming the engine in a very short period of time?
Circulating Heater
45
Which coolant heater is Internally installed in the engine block in place of a freeze plug?
Immersion Heater
46
What is the only safe method of using ether in an engine?
Closed dispensing system?
47
When performing a preoperational inspection on a permanently installed generator, you check the coolant level to make sure the unit will not?
Overheat during operation
48
You are conducting a preoperational inspection on a permanently installed generator and the oil level is too high. What should you do?
Annotate the condition and drain excess oil.
49
After a preoperational inspection, when is it necessary to open a work order for a for a permanently installed generator system that is not in proper working order.
When the problem found doing the inspection cannot be immediately repaired.
50
Which portion of the semi-monthly inspection is optional?
Engine start
51
How is a permanently installed generator tested during a semiannual inspection?
Turning off power to the ATS
52
What is the correct formula to find amperage of a three-phase generator? 120/208 volts and 100kW Power factor=.8
1000xKilowatts Volts x powerfactor 1000x100/208x0.8x1.73=347
53
What is the correct formula to find amperage of a single phase generator producing 240 VAC with 15kW on its power meter.
1000xKilowatts Volts x PF 1000x15 240x.8 = 78
54
When calculating facility power requirements, to what percent of the permanently installed generators load capacity should you size a generator
No less than 50 percent
55
What is the most common material used in cables?
Copper
56
What type of coding is placed on a conductor to identify the type of insulation?
Letters
57
The voltage reconnection panel allows the alternator windings to be connected in,
Series or parallel
58
What happens if you attempt to change the position of the voltage reconnection panel while the MEP series generator 200 kW and below generator set is operating?
Electrocution
59
When starting a MEP 806b, How long do you hold the engine control switch in the start position?
2 seconds
60
How long should you the MEP 806B warm up before connecting to load?
5 Minutes
61
When is the magnetic pickup removed, inspected and cleaned on a MEP 806B
Annually
62
How often is the coolant drained and flushed on a MEP 806B?
Every 2 years or at 300 operating hours, whichever comes first
63
When is the first oil change done on a MEP 806B?
at 100 operating hours
64
Why do you wait to perform checks, service, or maintenance on a coolant systems on a MEP 806B until it cools down?
The pressure steam can cause injury
65
On a 200 kW and below MEP series generator, how is the movable portion of the reconnection panel adjusted to produce the desired voltage output
Align its arrow with the desired control panel arrow
66
Which AFF is a detailed log ofbpower plant operation?
AFF 1167

Red Horse (4 decks)

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