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Power Pro > Volume 1 - Power Production Fundamentals > Flashcards

Volume 1 - Power Production Fundamentals Flashcards

Fundamentals

1
Q

What regulation is enforced by the UCMJ and applies to work tasks associated and unassociated with electricity?

Lesson 1 Safety (M1L1)

A

AFMAN 91-203

M1L1T1 - Electrical Safety Standards for AFS (2.1)

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2
Q

Which standard is a federal regulation and affects all general industry employees?

Lesson 1 Safety (M1L1)

A

29 CFR 1910 Subpart S

M1L1T1 - Electrical Safety Standards for AFS (2.1)

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3
Q

What safety standard is a living document?

Lesson 1 Safety (M1L1)

A

UFC 3-560-01

M1L1T1 - Electrical Safety Standards for AFS (2.1)

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4
Q

What was created to fulfill the responsibilities of OSHA and to provide additional guidance on electrical PPE?

Lesson 1 Safety (M1L1)

A

NFPA 70E

M1L1T1 - Electrical Safety Standards for AFS (2.1)

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5
Q

What should be done if a coworker becomes a victim of shock?

Lesson 1 Safety (M1L1)

A

Safely disconnect them from the power source

M1L1T2 - Principles of First Aid for Electrical Shock (2.3.1)

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6
Q

Why should you seek professional medical treatment after an electrical shock occurs?

Lesson 1 Safety (M1L1)

A

To lessen the severity of the injury

M1L1T2 - Principles of First Aid for Electrical Shock (2.3.1)

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7
Q

At what current value do heart rhythm problems begin?

Lesson 1 Safety (M1L1)

A

75mA

M1L1T2 - Principles of First Aid for Electrical Shock (2.3.1)

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8
Q

In terms of electrical shock, touch potential is when current flows from?

Lesson 1 Safety (M1L1)

A

Hand to hand across the chest

M1L1T2 - Principles of First Aid for Electrical Shock (2.3.1)

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9
Q

A phenomenon where a flash over of electrical current leaves its intended path and travels through the air from one conductor to another is the definition of?

Lesson 1 Safety (M1L1)

A

Arc Flash

M1L1T3 - Arc Flash Safety (2.4)

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10
Q

What is the minimum arc rating of category 2 PPE?

Lesson 1 Safety (M1L1)

A

8 cal/cm2

M1L1T3 - Arc Flash Safety (2.4)

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11
Q

The pressure released from instantaneous heating of the air surrounding the arc and the expansion of vaporized metal is the definition of?

Lesson 1 Safety (M1L1)

A

Arc Blast

M1L1T3 - Arc Flash Safety (2.4)

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12
Q

Why must an unqualified person be escorted at all times while within the limited approach boundary?

Lesson 1 Safety (M1L1)

A

They lack the training and knowledge of electrical hazards avoidance.

M1L1T3 - Arc Flash Safety (2.4)

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13
Q

Who has the ultimate authority over technical orders for applicable systems, sub-systems and actives?

Lesson 2 AFSC Publications

A

Program Manager (PM)

M1L2T1 - Technical Order System (3.1)

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14
Q

What takes precedence over requirements found in the technical manuals that are created by other services but used by the Air Force?

Lesson 2 AFSC Publications

A

Air Force Policy

M1L2T1 - Technical Order System (3.1)

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15
Q

Which type of technical publication covers installation, operation, troubleshooting and repairing and must be available on the job site when work is being performed?

Lesson 2 AFSC Publications

A

Operation and Maintenance Technical Order

M1L2T1 - Technical Order System (3.1)

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16
Q

Which type of technical order update changes data is the basic technical order without replacing the existing pages?

Lesson 2 AFSC Publications

A

Supplement

M1L2T1 - Technical Order System (3.1)

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17
Q

What does a correction fix?

Lesson 2 AFSC Publications

A

Minor errors or omissions

M1L2T2 - Technical Order Improvement Reporting (3.3)

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18
Q

Why does the recommended change process require such scrutiny?

Lesson 2 AFSC Publications

A

For ensuring the validity, accuracy and completeness of all recommended changes

M1L2T2 - Technical Order Improvement Reporting (3.3)

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19
Q

How are recommended TO changes submitted?

Lesson 2 AFSC Publications

A

Using AFTO Form 22

M1L2T2 - Technical Order Improvement Reporting (3.3)

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20
Q

What is the first step to starting a TO change?

Lesson 2 AFSC Publications

A

Verify the most current TO is in use.

M1L2T2 - Technical Order Improvement Reporting (3.3)

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21
Q

If equipment has wide commercial use, then the Air Force?

Lesson 2 AFSC Publications

A

Often defers to the manufacturer’s data.

M1L2T3 - AFSC Technical Publications (3.5)

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22
Q

When equipment is not shared by any other installation, what is used?

Lesson 2 AFSC Publications

A

Commercial manuals

M1L2T3 - AFSC Technical Publications (3.5)

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23
Q

Which of the following Unified Facilities Criteria publications provides minimum guidance and standards for the operations and maintenance of standby, emergency and prime power generators?

Lesson 2 AFSC Publications

A

UFC 3-540-07 Operation and Maintenance (O&M): Generators

M1L2T3 - AFSC Technical Publications (3.5)

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24
Q

To access a new or revised Unified Facilities Criteria publication you must go to the?

Lesson 2 AFSC Publications

A

Whole building design guide website

M1L2T3 - AFSC Technical Publications (3.5)

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25
Q

What is the purpose of a torque wrench?

Lesson 3 Electrical Power Production Tools and Test Equipment

A

To ensure mechanical fasteners are tightened to a specific amount of pressure.

M1L3T1 - Specialized Tools (4.2)

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26
Q

If you need to measure the thickness of a bolt, you would?

Lesson 3 Electrical Power Production Tools and Test Equipment

A

Use a caliper.

M1L3T1 - Specialized Tools (4.2)

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27
Q

Which of the following best illustrates the use of a tachometer?

Lesson 3 Electrical Power Production Tools and Test Equipment

A

Measuring the rotational speed of a hydraulic pump.

M1L3T1 - Specialized Tools (4.2)

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28
Q

Which of the following best illustrates the use of a feeler gauge?

Lesson 3 Electrical Power Production Tools and Test Equipment

A

Measuring the clearance gap on a spark plug.

M1L3T1 - Specialized Tools (4.2)

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29
Q

What function does the diagnostic tool to the left perform?

Lesson 3 Electrical Power Production Tools and Test Equipment

A

Measures current flow drawn by the load.

SEE IMAGE PAGE 3 VOLUME 1

M1L3T2 - Electrical Diagnostic Tools (4.3)

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30
Q

To properly locate a low power fault within a circuit, which of the following statements apply?

Lesson 3 Electrical Power Production Tools and Test Equipment

A

Set multimeter to voltage function.

M1L3T2 - Electrical Diagnostic Tools (4.3)

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31
Q

What function does the diagnostic tool to the left perform?

Lesson 3 Electrical Power Production Tools and Test Equipment

A

Measures the effectiveness of a generator or motor stator windings.

SEE IMAGE PAGE 3 VOLUME 1

M1L3T2 - Electrical Diagnostic Tools (4.3)

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32
Q

If a facility kept having intermittent electrical issues, which of the following statements apply?

Lesson 3 Electrical Power Production Tools and Test Equipment

A

Connect a power analyzer and monitor system performance.

M1L3T2 - Electrical Diagnostic Tools (4.3)

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33
Q

What is the most common types of load banks?

Lesson 3 Electrical Power Production Tools and Test Equipment

A

Resistive

M1L3T3 - Load Bank Components and Theory of Operation (5.3.1)

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34
Q

Which component consists of pieces of coiled wires that heat up when power is applied?

Lesson 3 Electrical Power Production Tools and Test Equipment

A

Resistive Element

M1L3T3 - Load Bank Components and Theory of Operation (5.3.1)

35
Q

Which component indicates when the load bank airflow safety switch activates and shuts down the resistive elements to prevent damage?

Lesson 3 Electrical Power Production Tools and Test Equipment

A

Cooling failure indicator

M1L3T3 - Load Bank Components and Theory of Operation (5.3.1)

36
Q

Which component energizes and protects the load bank control circuits?

Lesson 3 Electrical Power Production Tools and Test Equipment

A

Control power circuit breaker

M1L3T3 - Load Bank Components and Theory of Operation (5.3.1)

37
Q

What provides the smallest unit of a chemical element?

Lesson 4 Electrical Fundamentals

A

Atom

M1L4T1 - Basic Electrical Concepts and Terms (6.1)

38
Q

Insulators have how many electrons in their valence shell?

Lesson 4 Electrical Fundamentals

A

Five to eight electrons

M1L4T1 - Basic Electrical Concepts and Terms (6.1)

39
Q

Current is measured in?

Lesson 4 Electrical Fundamentals

A

Amperes (A)

M1L4T1 - Basic Electrical Concepts and Terms (6.1)

40
Q

Which of the following is NOT a requirement of a basic circuit?

Lesson 4 Electrical Fundamentals

A

Fault protection

M1L4T1 - Basic Electrical Concepts and Terms (6.1)

41
Q

Which of the following best describes a characteristic of a parallel circuit?

Lesson 4 Electrical Fundamentals

A

Total resistance is less than the smallest unit of resistance.

M1L4T2 - Fundamentals of Direct Current (DC) (6.2)

42
Q

Which formula is used to determine power consumption of a DC circuit?

Lesson 4 Electrical Fundamentals

A

P=IxE

M1L4T2 - Fundamentals of Direct Current (DC) (6.2)

43
Q

In the circuit below, what would happen to the total current if S1 were closed?

Lesson 4 Electrical Fundamentals

A

Current would increase.

SEE IMAGE PAGE 4 VOL 1

M1L4T2 - Fundamentals of Direct Current (DC) (6.2)

44
Q

In the circuit below, what would happen to the total resistance if R2 were changed to 15 ohms?

Lesson 4 Electrical Fundamentals

A

Resistance would increase.

SEE IMAGE PAGE 5 VOL 1

M1L4T2 - Fundamentals of Direct Current (DC) (6.2)

45
Q

When measuring phase voltage, which points would be used to get a proper voltage reading?

Lesson 4 Electrical Fundamentals

A

Phase C to Neutral.

M1L4T3 - Fundamentals of Alternating Current (AC) (6.3)

46
Q

If a 4-pole generator engine is operating at 1500 RPM, then the frequency output is what?

Lesson 4 Electrical Fundamentals

A

50 Hz

M1L4T3 - Fundamentals of Alternating Current (AC) (6.3)

47
Q

When we refer to the Root Means Square (RMS) value, what do most voltmeters measure?

Lesson 4 Electrical Fundamentals

A

Effective value

M1L4T3 - Fundamentals of Alternating Current (AC) (6.3)

48
Q

When using an oscilloscope, what value is being measured?

Lesson 4 Electrical Fundamentals

A

Peak value

M1L4T3 - Fundamentals of Alternating Current (AC) (6.3)

49
Q

If a full-wave bridge rectifier is used, then how many rectifying diodes will be in the circuit?

Lesson 4 Electrical Fundamentals

A

Four rectifying diodes

M1L4T4 - Diodes (6.5.1)

50
Q

If a light emitting diode is illuminated, the diode must be?

Lesson 4 Electrical Fundamentals

A

Forward biased.

M1L4T4 - Diodes (6.5.1)

51
Q

When the depletion region meets an equilibrium (neutral charge), this produces what?

Lesson 4 Electrical Fundamentals

A

A potential barrier zone that prevents any electrons from moving into the anode from the cathode.

M1L4T4 - Diodes (6.5.1)

52
Q

Reverse biasing a diode has what effect on the current flow?

Lesson 4 Electrical Fundamentals

A

Stops current flow.

M1L4T4 - Diodes (6.5.1)

53
Q

What happens when you increase frequency through an inductor?

Lesson 4 Electrical Fundamentals

A

The inductance increases.

M1L4T5 - Inductors (6.5.2)

54
Q

What are inductors used for?

Lesson 4 Electrical Fundamentals

A

To slow down current surges and spikes.

M1L4T5 - Inductors (6.5.2)

55
Q

What are the construction factors of an inductor?

Lesson 4 Electrical Fundamentals

A

Core material, core length, coil area and the number of turns.

M1L4T5 - Inductors (6.5.2)

56
Q

When do the lines of flux cut across the inductor coil?

Lesson 4 Electrical Fundamentals

A

If current increases or decreases.

M1L4T5 - Inductors (6.5.2)

57
Q

The amount of charge the material inhibits on encourages is called what?

Lesson 4 Electrical Fundamentals

A

Permittivity

M1L4T6 - Capacitors (6.5.3)

58
Q

How many conductors make up a capacitor?

Lesson 4 Electrical Fundamentals

A

2

M1L4T6 - Capacitors (6.5.3)

59
Q

What happens when a source voltage is supplied to an uncharged capacitor?

Lesson 4 Electrical Fundamentals

A

An electric field develops building a charge between two plates.

M1L4T6 - Capacitors (6.5.3)

60
Q

What is the purpose of a capacitor?

Lesson 4 Electrical Fundamentals

A

To store electrical energy.

M1L4T6 - Capacitors (6.5.3)

61
Q

What is the purpose of a resistor?

Lesson 4 Electrical Fundamentals

A

To limit the flow of electrons.

M1L4T7 - Resistors (6.5.4)

62
Q

What type of resistors are there?

Lesson 4 Electrical Fundamentals

A

Fixed and Variable

M1L4T7 - Resistors (6.5.4)

63
Q

If a resistor has a sixth band, what does that mean?

Lesson 4 Electrical Fundamentals

A

It is the same as a five band, but with an indicator or temperature coefficient.

M1L4T7 - Resistors (6.5.4)

64
Q

What purpose can a resistor serve in a circuit?

Lesson 4 Electrical Fundamentals

A

Voltage regulator

M1L4T7 - Resistors (6.5.4)

65
Q

Which type of wiring diagram uses different line thicknesses to distinguish between circuits such as primary, emergency and load circuits?

Lesson 4 Electrical Fundamentals

A

One-line

M1L4T8 - Wiring Diagram Types (6.4.1)

66
Q

Which type of wiring diagram presents components in sequential order making it easier to understand circuit operation?

Lesson 4 Electrical Fundamentals

A

Schematic

M1L4T8 - Wiring Diagram Types (6.4.1)

67
Q

Which type of wiring diagram is used primarily in power plants and shows connections between generators and switchgear but excludes internal connections of equipment?

Lesson 4 Electrical Fundamentals

A

Interconnection

M1L4T8 - Wiring Diagram Types (6.4.1)

68
Q

Which type of wiring diagram is used to inform the technician on where to connect electrical test equipment and provides wire identification?

Lesson 4 Electrical Fundamentals

A

Connection

M1L4T8 - Wiring Diagram Types (6.4.1)

69
Q

Select the term that describes the symbol below.

Lesson 4 Electrical Fundamentals

A

Motor – Represents a component which changes electrical energy into motion.

SEE IMAGE PAGE 7 VOL 1

M1L4T9 - Electrical Components and Symbols (6.4.2)

70
Q

Select the term that describes the symbol below.

Lesson 4 Electrical Fundamentals

A

Alarm – Represents a device which communicates if there is a problem.

SEE IMAGE PAGE 7 VOL 1

M1L4T9 - Electrical Components and Symbols (6.4.2)

71
Q

Select the term that describes the symbol below.

Lesson 4 Electrical Fundamentals

A

Transformer – Represents a power source having a primary and secondary side.

SEE IMAGE PAGE 7 VOL 1

M1L4T9 - Electrical Components and Symbols (6.4.2)

72
Q

Select the term that describes the symbol below.

Lesson 4 Electrical Fundamentals

A

Circuit Breaker – Represents the fault protection device for a circuit which is resettable.

SEE IMAGE PAGE 7 VOL 1

M1L4T9 - Electrical Components and Symbols (6.4.2)

73
Q

What is used to calculate kilowatts?

Lesson 5 Calculations

A

Voltage, amperage, power factor

M1L5T1 - Calculate kW/kVA Load/Amperage Load (16.4.1 & 16.4.2)

74
Q

When is power factor not used in an equation?

Lesson 5 Calculations

A

When calculating real power

M1L5T1 - Calculate kW/kVA Load/Amperage Load (16.4.1 & 16.4.2)

75
Q

When solving for kW in a three-phase circuit, why is 1.73 used?

Lesson 5 Calculations

A

1.732 stems from the square root of 3 to get an average across all phases.

M1L5T1 - Calculate kW/kVA Load/Amperage Load (16.4.1 & 16.4.2)

76
Q

When do you use a power factor, other than 0.8, for a three-phase power source?

Lesson 5 Calculations

A

When otherwise specified

M1L5T1 - Calculate kW/kVA Load/Amperage Load (16.4.1 & 16.4.2)

77
Q

What is the first step in determining the fuel requirements for generator operations?

Lesson 5 Calculations

A

Consumption rate

M1L5T2 - Fuel Requirements (16.4.3)

78
Q

Where can the rate of fuel consumption be found for a generator?

Lesson 5 Calculations

A

Manufacturers manual or TO

M1L5T2 - Fuel Requirements (16.4.3)

79
Q

Why is 72 hours of fuel recommended for initial bed down of a BEAR Base?

Lesson 5 Calculations

A

To give time to place power distribution equipment and get the power plant up.

M1L5T2 - Fuel Requirements (16.4.3)

80
Q

Knowing the amount of fuel required to operate at a generator site is critical to ensure what?

Lesson 5 Calculations

A

That missions continue uninterrupted.

M1L5T2 - Fuel Requirements (16.4.3)

81
Q

What tool can be used, with the help of AF Form 487’s, to determine real property facility power requirements?

Lesson 5 Calculations

A

A load table.

M1L5T3 - Power Requirements (16.4.4)

82
Q

What is NOT a method of determining power requirements?

Lesson 5 Calculations

A

Using estimated load requirements

M1L5T3 - Power Requirements (16.4.4)

83
Q

Why is it important to know a facility’s power requirements?

Lesson 5 Calculations

A

Generators must be capable of supporting the required load without being oversized or undersized.

M1L5T3 - Power Requirements (16.4.4)

84
Q

What is the name of an Army produced program that can aid in power requirements for a deployed location?

Lesson 5 Calculations

A

AutoDISE

M1L5T3 - Power Requirements (16.4.4)

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