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Red Horse > Power Pro Book 1 > Flashcards

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
Q

When load testing batteries, how many seconds do you hold the load switch on the tester?

A

10 Seconds

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26
Q

Which test instrument is used for testing grounds?

A

Earth resistance tester

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27
Q

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?

A

64 ft

28
Q

When installing current transformers clamps, which way does the arrow need to point?

A

With Current Flow

29
Q

What battery charger component decreases the input voltage to the required output voltage to provide the battery with a charge?

A

Power Transformer

30
Q

Which battery charger component rectifies AC output of power transformer to DC

A

Power Diode

31
Q

What is the primary concern when adjusting a battery charger

A

Output Voltage

32
Q

What battery charging fault situation is indicated by a fully charged battery and a high charging rate?

A

Defective voltage regulator

33
Q

Which Load bank control contains reconnection bards that can be removed and configured according to the voltage input from the generator?

A

Voltage reconnection panel

34
Q

Which load bank control is a series of switches used to select a specific resistive load value from the generator?

A

kW load step switches.

35
Q

Which load bank control is used to check voltage between phases of generator output during three-phase operation?

A

Volts select switch

36
Q

Which load bank control illuminates if the blower fails?

A

Blower Fail Indicator

37
Q

What is the purpose, besides preventing carbon buildup, of operating a generator using a load bank?

A

It lets you know that the generator is capable of operating at full load

38
Q

When you must connect the load bank cables to the ends of the generator output cable, you must…

A

wrap the connections with insulating tape

39
Q

How will you know where to place the reconnection bars to set them for the proper voltage?

A

A diagram of configuration on the load bank.

40
Q

Before you install an electrical component on a load bank, be sure it

A

Has the same electrical rating as the one being replaced.

41
Q

Which type of corrosion do we find most on aluminum?

A

Pitting

42
Q

Which type of corrosion is a further form of inter-granular corrosion associated with high strength aluminum alloys?

A

Exfoliation

43
Q

What is the key to a good corrosion control program?

A

Preventive maintenance

44
Q

Which coolant heater has the main advantage of warming the engine in a very short period of time?

A

Circulating Heater

45
Q

Which coolant heater is Internally installed in the engine block in place of a freeze plug?

A

Immersion Heater

46
Q

What is the only safe method of using ether in an engine?

A

Closed dispensing system?

47
Q

When performing a preoperational inspection on a permanently installed generator, you check the coolant level to make sure the unit will not?

A

Overheat during operation

48
Q

You are conducting a preoperational inspection on a permanently installed generator and the oil level is too high. What should you do?

A

Annotate the condition and drain excess oil.

49
Q

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.

A

When the problem found doing the inspection cannot be immediately repaired.

50
Q

Which portion of the semi-monthly inspection is optional?

A

Engine start

51
Q

How is a permanently installed generator tested during a semiannual inspection?

A

Turning off power to the ATS

52
Q

What is the correct formula to find amperage of a three-phase generator?
120/208 volts and 100kW
Power factor=.8

A

1000xKilowatts

Volts x powerfactor 1000x100/208x0.8x1.73=347

53
Q

What is the correct formula to find amperage of a single phase generator producing 240 VAC with 15kW on its power meter.

A

1000xKilowatts
Volts x PF 1000x15
240x.8 = 78

54
Q

When calculating facility power requirements, to what percent of the permanently installed generators load capacity should you size a generator

A

No less than 50 percent

55
Q

What is the most common material used in cables?

A

Copper

56
Q

What type of coding is placed on a conductor to identify the type of insulation?

A

Letters

57
Q

The voltage reconnection panel allows the alternator windings to be connected in,

A

Series or parallel

58
Q

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?

A

Electrocution

59
Q

When starting a MEP 806b, How long do you hold the engine control switch in the start position?

A

2 seconds

60
Q

How long should you the MEP 806B warm up before connecting to load?

A

5 Minutes

61
Q

When is the magnetic pickup removed, inspected and cleaned on a MEP 806B

A

Annually

62
Q

How often is the coolant drained and flushed on a MEP 806B?

A

Every 2 years or at 300 operating hours, whichever comes first

63
Q

When is the first oil change done on a MEP 806B?

A

at 100 operating hours

64
Q

Why do you wait to perform checks, service, or maintenance on a coolant systems on a MEP 806B until it cools down?

A

The pressure steam can cause injury

65
Q

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

A

Align its arrow with the desired control panel arrow

66
Q

Which AFF is a detailed log ofbpower plant operation?

A

AFF 1167

Red Horse (4 decks)

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