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Cpt's Test > Inspector Chapter 3 > Flashcards

Inspector Chapter 3 Flashcards

1
Q

A _____ _____ primary duty is to help protect the life safety of the citizens and fire and emergency services responders in a community.

A

Fire Inspector’s

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2
Q

During _____ ______, the inspector must evaluate a building’s physical characteristics, construction materials, and contents to determine the appropriate level of protection for the occupancy.

A

Field Inspections

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3
Q

A material that will maintain combustion under specified environmental conditions:

(simple, don’t overthink)

A

Fuel

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4
Q

Substance that oxidizes another substance.

A

Oxidizing Agent

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5
Q

Anything that occupies space and has mass

A

Matter

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6
Q

Capacity to perform work; occurs when a force is applied to an object over a distance, or when a chemical, biological, or physical transformation is made in a substance.

A

Energy

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7
Q

_____ _____ is the study of the physical world around us and includes the sciences of chemistry and physics.

A

Physical Science

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8
Q

Chemical process that occurs when a substance combines with a oxidizer, such as oxygen in the air

A

Oxidation

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9
Q

A chemical process of oxidation that occurs at a rate fast enough to produce heat and usually light in the form of either a glow or flame

A

Combustion

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10
Q

Stored energy possessed by an object that can be released in the future to perform work once released.

A

Potential Energy

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11
Q

The energy possessed by a body because of its motion

A

Kinetic Energy

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12
Q

Chemical reaction that releases thermal energy or heat

A

Exothermic Reaction

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13
Q

A rapid oxidations process, which is a chemical reaction resulting in the evolution of light and heat in varying intensities.

A

Fire

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14
Q

Chemical reaction that absorbs thermal energy or heat.

A

Endothermic Reaction

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15
Q

Visible, luminous body of a burning gas emitting radiant energy, including light of various colors produced by burning gases or vapors during the combustion process.

A

Flame

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16
Q

Model used to explain the elements/conditions necessary for combustion. The sides of the triangle represent heat, oxygen, and fuel.

A

Fire Triangle

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17
Q

Model of the four elements/conditions required to have a fire. The four sides of the tetrahedron represent fuel, heat, oxygen, and self-sustaining chemical chain reaction.

A

Fire Tetrahedron

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18
Q

_____ _____ occurs when burning is localized on or near the fuel’s surface, where it is in contact with the oxygen.

A

Non-flaming Combustion

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19
Q

In _____ _____, oxidation involves fuel in the gas phase.

A

Flaming combustion

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20
Q

Measure of a materials ability to transfer heat energy to another object.

A

Temperature

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21
Q

_____ is the capacity to perform work.

A

Energy

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22
Q

_____ occurs when a force is applied to an object over a distance or when a substance experiences a chemical, biological, or physical transformation.

A

Work.

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23
Q

A unit of measure of power or rate of work equal to one joule per second (J/s)

A

Watt

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24
Q

The standard (SI) unit for power is:

A

Watt

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25
Q

Watt is measured _____ joule per _____

A

One Joule Per Second (J/s)

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26
Q

_____ is energy in transit.

A

Heat

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27
Q

The kinetic energy associated with the random motions of the molecules of a material or object; often used interchangeably with the terms head and heat energy. Measured in joules or BTU

A

Thermal Energy

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28
Q

The chemical decomposition of a solid material by heating. This often precedes combustion

A

Pyrolysis

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29
Q

Applying sufficient heat causes _____ in solid fuels and _____ in liquid fuels.

A

Pyrolysis/Vaporization

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30
Q

Physical process that changes a liquid into a gaseous state.

A

Vaporization

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31
Q

The process of initiating self-sustained combustion

A

Ignition

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32
Q

Moment when a mixture of fuel and oxygen encounters an external heat (ignition) source with sufficient heat or thermal energy to start the combustion reaction.

A

Piloted Ignition

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33
Q

Initiation of combustion by heat but without a spark or flame.

A

Autoignition

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34
Q

_____ _____ is the most common form of ignition

A

Piloted Ignition

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35
Q

The lowest temperature at which a combustible material ignites in air without spark or flame

A

Autoignition temperature (AIT)

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36
Q

_____ _____ is the most common source of heat in combustion reactions.

A

Chemical Energy

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37
Q

The result of exothermic reactions, occurring spontaneously in some materials in certain situations

A

Self-Heating

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38
Q

The _____ _____ almost always results in the production of thermal energy.

A

Oxidation Process

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39
Q

Initiation of combustion of a material by an internal chemical or biological reaction that has produced sufficient heat to ignite the material.

A

Spontaneous Ignition

40
Q

_____ _____ can generate temperatures high enough to ignite any combustible materials near the heated area.

A

Electrical Energy

41
Q

When electric current flows through a conductor, heat is produced.

(Type of Heating)

A

Resistance Heating

Examples: incandescent lamps, ranges, ovens, or portable heaters

42
Q

When the current flowing through a conductor exceeds its design limits, it may overheat and present an ignition hazard. Unintentional resistance heating.

A

Overcurrent or overload

43
Q

High temperature luminous electric discharge across a gap or through a medium such as charred insulation.

A

Arcing

44
Q

When an electric arc occurs, luminous (glowing) particles can be formed and spatter away from the point of arcing.

A

Sparking

45
Q

_____ _____ is generated by friction of compression.

A

Mechanical Energy

46
Q

_____ _____ from one point or object to another is basic to the study of fire behavior.

A

Heat Transfer

47
Q

Transfer of thermal energy is known as _____ _____

A

Heat Flux

48
Q

The measure of the rate of heat transfer to a surface, expressed in kilowatts/m^2, kilojoules/m^2 x sec, or Btu/ft^2 x sec

A

Heat Flux

49
Q

Transfer of heat through or between solids that are in direct contact.

A

Conduction

50
Q

Heat transfer by circulation within a medium such as a gas or liquid.

A

Convection

51
Q

Heat transfer by way of electromagnetic energy.

A

Radiation

52
Q

The tendency or capacity to remain afloat in a liquid or rise in air or gas

A

Bouyant

53
Q

Materials produced and released during burning.

A

Products of Combustion

54
Q

_____ is a common cause of exposure fires

A

Radiation

55
Q

Buoyant layer of hot gases and smoke produced by a fire in a compartment

A

Upper Layer

56
Q

Materials that absorb heat but do not participate actively in the combustion process

A

Passive Agents

57
Q

The fuel that is being oxidized or burned during combustion

A

Reducing agent

58
Q

In building construction, one of the most common _____ _____ is drywall or gypsum board that contains moisture in the form of hydrates

A

Passive Agents

59
Q

Total amount of thermal energy that could be generated by the combustion reaction if a fuel were completely burned. The _____ _____ _____ is measured in Btu.

A

Heat of Combustion

60
Q

Total amount of heat released per unit of time

A

Heat Release Rate

Measured in kW or MW of output

61
Q

Weight of a given volume of pure vapor or gas compared to the weight of an equal volume of dry air at the same temperature and pressure.

A

Vapor Density

62
Q

Mass (weight) of a substance compared to the mass of an equal volume of water at a given temperature.

A

Specific Gravity

63
Q

Any liquid having a flash point below 100 degrees F and a vapor pressure not exceeding 40 psi absolute

A

Flammable liquids

64
Q

_____ must be vaporized in order to burn.

A

Liquids

65
Q

Measure of the tendency of a substance to evaporate; the pressure at which a vapor is in equilibrium with its liquid phase for a given temperature

A

Vapor Pressure

66
Q

Minimum temperate at which a liquid gives off enough vapors to form an ignitible mixture with air near the liquids surface

A

Flash point

67
Q

Temperature at which a liquid fuel produces sufficient vapors to support combustion once the fuel is ignited. Must exceed 5 seconds of burning duration during the test.

A

Fire Point.

68
Q

Degree to which a solid, liquid, or gas dissolves in a solvent

A

Solubility

69
Q

Liquid fuels that vaporized sufficiently to burn at temperatures under _____ present a significant flammability hazard.

A

100 degrees F
38 degrees C

70
Q

Hydrocarbon fuels do/do not mix with water

A

Do not

71
Q

Polar solvents such as alcohols do/do not mix with water

A

Do

72
Q

Materials that are capable of being mixed in all proportions

A

Miscible

73
Q

Pyrolysis of wood beings at temperatures below _____ degrees.

A

400 Degrees F
204 Degrees C

74
Q

At normal ambient temperatures (68F/20C), materials can ignited and burn at oxygen concentrations as low as__%

A

14%

75
Q

Some _____-based materials will autoignite in oxygen-enriched atmospheres

A

Petroleum

76
Q

The range between the upper flammable limit and the lower flammable limit in which a substance can be ignited

A

Flammable Range

77
Q

Lower limit at which a flammable gas or vapor will ignite and support combustion

A

Lower Flammable Limit

78
Q

Upper limit at which a flammable gas or vapor will ignite

A

Upper Flammable (Explosive) Limit

79
Q

Molecular fragments that are highly reactive

A

Free Radicals

80
Q

At various points in the combustion of methane, this process results in the production of _____ _____ and _____, which are both flammable and toxic

A

Carbon Dioxyde and Formeldehyde

81
Q

Extinguishment of a fire by interruption of the chemical chain reaciton

A

Chemical Flame Inhibition

82
Q

Class _ Fires involve ordinary combustible materials, such as wood, cloth, paper, rubber, grass, and many plastics.

A

Class A

83
Q

Class _ Fires involve flammable and combustible liquids and gases as gasoline, oil, lacquer, methane, mineral spirits, and alcohol.

A

Class B

84
Q

Class _ fires involve energized electrical equipment

A

Class C

85
Q

Class _ fires involve combustible metals such as aluminum, magnesium, potassium, sodium, titanium, and zirconium. Can react violently with water.

A

Class D

Verifying compatibility of extinguishing agents for class D materials is vital to safety.

86
Q

Class _ fires involve vegetable-based oils and greases normally found in commercial kitchens using deep fryers

A

Class K

87
Q

Class K fires require an extinguishing agent specifically formulated for the involved materials. Through a process knowns as _____, these agents turn fats and oils into a soapy foam that extinguishes the fire.

A

Saponification

88
Q

A phenomenon that occurs when mixtures of alkaline-based chemicals and certain cooking oils come into contact resulting in the formation of a soapy film.

A

Saponification

89
Q

In a compartment fire, _____-_____-_____ ratio is one of the most fundamental Class A fuel characteristic influencing fire development

A

Surface-To-Mass

90
Q

The type of fuel involved in combustion affects the:

A

Heat Release Rate (HRR)

91
Q

The total quantity of combustible contents of a building, space, or fire area:

A

Fuel Load

92
Q

First Stage of the burning process in a compartment which the substance being oxidized is producing some heat, but the heat has not spread to other substances nearby.

A

Incipient Stage

93
Q

The column of hot gases, flames, and smoke rising above a fire:

A

Plume, Convection Column, Thermal updraft, Thermal column

94
Q

A relatively thin layer of flowing hot gasses that develops under a horizontal structure as a result of plume impingement and the flowing gas being forced to move horizontally

A

Ceiling Jet

95
Q
A

Cpt's Test (17 decks)

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