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Firefighter Academy > Chapter 23 Advanced Fire Suppression > Flashcards

Chapter 23 Advanced Fire Suppression Flashcards

1
Q

A concentrate used for fighting fires on water-soluble materials and other fuels destructive to regular, AFFF, or FFFP foams, as well as for fires involving hydrocarbons.

A

Alcohol-resistant foam concentrate

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2
Q

A concentrate based on fluorinated surfactants plus foam stabilizers to produce a fluid aqueous film for suppressing hydrocarbon fuel vapors and usually diluted with water to a 1 percent, 3 percent, or 6 percent solution.

A

Aqueous film-forming foam (AFFF)

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3
Q

The manual addition of foam concentrate to a water storage container or tank to make foam solution.

A

Batch mix

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4
Q

A foam application method that applies the stream onto a nearby object, such as a wall, instead of directly onto the surface of the fire. Also referred to as the bank-shot or bank-down method.

A

Bounce-off method

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5
Q

Foam for use on fires in Class A fuels.

A

Class A foam

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6
Q

Foam intended for use on Class B fires.

A

Class B foam

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7
Q

A type of attack employing both direct attack and indirect attach methods.

A

Combination attack

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8
Q

A homogenous foam produced by the combination of water, foam concentrate, and air or nitrogen.

A

Compressed air foam (CAF)

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9
Q

A foam system that combines air under pressure with foam solution to create foam.

A

Compressed air foam system (CAFS)

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10
Q

Actions that are intended to control a fire by limiting its spread to a defined area, avoiding the commitment of personnel and equipment to dangerous areas.

A

Defensive operations

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11
Q

Firefighting operations involving the application of extinguishing agents directly onto the burning fuel.

A

Direct Attack

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12
Q

A device that uses the Venturi principle to siphon a liquid into a water stream. The pressure at the throat is below atmospheric pressure, allowing liquid at atmospheric pressure to flow into the water stream.

A

Eductor

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13
Q

A protein-foam solution that uses fluorinated surfactants to produce a fluid aqueous film for suppressing liquid fuel vapors.

A

Film-forming fluoroprotein foam (FFFP)

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14
Q

A protein-based foam concentrate to which fluorochemical surfactants have been added.

A

Fluoroprotein foam

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15
Q

A covering of foam over a surface to insulate, prevent ignition, or extinguish the fire.

A

Foam blanket

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16
Q

The foaming agent as received from the supplier that, when mixed with water, becomes foam solution.

A

Foam concentrate

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17
Q

A device installed on a fire pump that meters out foam by pumping or injecting it into the fire stream.

A

Foam injector

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18
Q

A device or method to add foam concentrate to water to make foam solution.

A

Foam proportioner

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19
Q

A homogenous mixture of foam concentrate and water, in the mix ratio required for the application.

A

Foam solution

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20
Q

A general descriptor for hazardous fire conditions, including flashover, backdraft, smoke-explosion, flameover, and rapid fire spread.

A

Hostile fire event

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21
Q

Firefighting operations involving the application of extinguishing agents to reduce the buildup of heat released from a fire without applying the agent directly onto the burning fuel.

A

Indirect attack

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22
Q

A Venturi-type proportioning device that meters foam concentrate at a fixed or variable concentration into the water stream at a point between the water source and a nozzle or other discharge device.

A

In-line eductor

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23
Q

Actions generally performed in the interior of involved structures that involve a direct attack on a fire to directly control and extinguish the fire.

A

Offensive operations

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24
Q

Solution produced by introducing a measured amount of foam concentrate into a given amount of water in a storage tank.

A

Premixed foam solution

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25
Q

A protein-based foam concentrate that is stabilized with metal salts to make a fire-resistant foam blanket.

A

Protein foam

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26
Q

A foam application method that directs the stream into the air above the fire and allows it to gently fall on the surface.

A

Rain-down method

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27
Q

A foam application method that involves sweeping the stream just in front of the target. Also referred to as the sweep or roll-on method.

A

Roll-in method

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28
Q

An acronym intended to be used by the first arriving company officer to accomplish important strategic foals on the fire ground.

A

S.L.I.C.E.-R.S.

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29
Q

An offensive fire attack initiated by an exterior, indirect handline operation into the fire compartment to initiate cooling while transitioning into interior direct fire attack in coordination with ventilation operations.

A

Transitional attack

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30
Q

Removing oxygen, fuel, or the heat from the combustion process is known extinguish the fire by interupting the fire

A. square.

B. mangle.

C. cycle.

D. tetrahedron.

A

D. tetrahedron.

31
Q

When fire fighters advance hose lines into a building to attack a fire, which type of strategy are they using?

A. Offensive

B. Defensive

C. Advancing

D. Internal

A

A. Offensive

32
Q

What is the primary objective in a defensive operation?

A. To ensure the least amount of property damage

B. To provide a safe environment for the fire fighter

C. To prevent the fire from spreading

D. To prepare the fire fighter for offensive attacks

A

C. To prevent the fire from spreading

33
Q

The decision to conduct offensive or defensive operations is made by the

A. fire fighter.

B. captain.

C. incident commander.

D. fire chief.

A

C. incident commander.

34
Q

Large handlines are defined as hoses that have at least a diameter of

A. 2 ½ inches.

B. 3 inches.

C. 3 ½ inches.

D. 5 inches.

A

A. 2 ½ inches.

35
Q

Master streams are typically used for

A. structure fires.

B. hazardous materials incidents.

C. offensive operations.

D. defensive operations.

A

D. defensive operations.

36
Q

The pattern and form of the water that is discharged onto the fire is defined by the

A. nozzle.

B. hose line.

C. fire size.

D. strategy involved.

A

A. nozzle.

37
Q

When fire fighters begin with an indirect attack and then continue with a direct attack, which type of attack are they utilizing?

A. Aggressive

B. Combination

C. Multiple

D. Progressive

A

B. Combination

38
Q

In situations where the temperature is increasing and it appears that the room or space is ready to experience flashover, fire fighters should use a(n)

A. indirect attack.

B. exterior attack.

C. indirect application of water.

D. direct application of water.

A

C. indirect application of water.

39
Q

When water is converted to steam, it expands to occupy a volume that is

A. 10,000 times greater than the volume of water.

B. 7000 times greater than the volume of water.

C. 1700 times greater than the volume of water.

D. 1000 times greater than the volume of water.

A

C. 1700 times greater than the volume of water.

40
Q

Master stream devices are used

A. to produce high-volume water streams for large fires.

B. to produce low-volume water streams for small fires.

C. to produce increased air movement and ventilation.

D. because they give the greatest control over the water flow.

A

A. to produce high-volume water streams for large fires.

41
Q

The device that is permanently mounted on a vehicle and equipped with a piping system is a(n)

A. master stream device.

B. deck gun.

C. ladder pipe.

D. open monnor

A

B. deck gun.

42
Q

Action that are taken to prevent the spread of a fire to areas that are not already burning are referred to as

A. hosing dowm.

B. maximum coverage.

C. master stream spray.

D. protecung exposures.

A

D. protecung exposures.

43
Q

To decrease the need for manual overhaul dunng trashcan fires, it is very useful to apply

A. Class A foam.

B. Class B foam.

C. Class C foam.

D. Class D foam.

A

A. Class A foam.

44
Q

During vehicle ftres under the hood or engine area, fire fighters should approach from the

A. downhill and downwind side.

B. downhill and upwind side.

C. uphill and downwind side.

D. uphill and upwind side.

A

D. uphill and upwind side.

45
Q

Arter the main body of a vehicle fire has been extinguished, it is important to

A. continue to apply a master stream from a safe distance.

B. remove leftover flammable liquids.

C. overhaul the vehicle.

D. contain water overflow.

A

C. overhaul the vehicle.

46
Q

Vehicles that use compressed natural gas are powered by cylinders located

A. under the hood of the vehicle.

B. in the trunk of the vehicle.

C. under the chassis of the vehicle.

D. in front of the driver-side engine companment.

A

B. in the trunk of the vehicle.

47
Q

Flammable liquid fires can be extinguished using

A. Class A foam.

B. Class B foam.

C. Class C foam.

D. Class D foam.

A

B. Class B foam.

48
Q

Stormg propane as a liquid is very efficient because it has an expansion ratio or

A. 27:1.

B. 170:1.

C. 270:1.

D. 370:1.

A

C. 270:1.

49
Q

To prevent explosionssible overheating situations, propane tanks are equipped wlth

A. relier valves.

B. release val'es.

C. connection valves.

D. vapor space.

A

A. relier valves.

50
Q

When controlling and extinguishing electrical or electrical equipment fires, the fire fighter uses

A. Class A agents.

B. Class B agents.

C. Class C agents.

D. Class D agents.

A

C. Class C agents.

51
Q

Fire suppression can be accomplished through a variety of methods that will stop the _________ process.

A

combustion

52
Q

Directing water onto a fire from a safe distance is a(n) _______ operation.

A

defensive

53
Q

Large handlines and master streams are more often used in _________ operations.

A

defensive

54
Q

A(n) _________ stream divides water into droplets, which have a very large surface area and can absorb heat
efficiently.

A

fog

55
Q

A fog stream moves a large quanllly of ______ along with the mass of water droplets.

A

air

56
Q

A fire that occurs inside a building 1s referred to as a(n) _________ .

A

interior

57
Q

A(n) _______ auack uses a single or solid hose stream to deliver water onto the base of the fire.

A

direct

58
Q

It is more difficult for fire fighters to advance and maneuver a(n) _______ handline inside a building.

A

large

59
Q

Wetting neighboring exposures will keep the fuel from reaching its _______ temperature.

A

ignition

60
Q

Fires in _______ present several challenges because they are below grade level and have limited routes of egress.

A

basements

61
Q

One of the main hazards of confined-space fires and incidents is low _______ levels.

A

oxygen

62
Q

True/False

Successful offensive attacks often result in the least amount of property damage.

A

True

63
Q

True/False

1f the risk factors are too great, the only acceptable option is an offensive strategy.

A

False

64
Q

True/False

Master stream devices are operated from a fixed position.

A

True

65
Q

True/false

A straight stream has more reach and penetrating power than a fog or solid stream.

A

True

66
Q

True/False

The air movement created by a fog stream can be used for ventilation.

A

True

67
Q

True/False

Large handlines are often used in offensive situations to direct a heavy stream of water onto a fire from an exterior position.

A

False

68
Q

True/False

A master stream device can be directed by remote control.

A

True

69
Q

True/False

A portable monitor is attached to a handline to create a fog stream.

A

False

70
Q

True/False

Before any interior attack is initiated, it is important that the structure be ventilated.

A

True

71
Q

True/False

Fires in stacked or piled materials can be approached aggressively, because they often burn evenly

A

False

72
Q

True/False

During vehicle fires in hybrid automobil es, the orange cables that connect the batteries to the elec tric motors
must be cut as quickly as possible to prevent sparking.

A

False

73
Q

True/False

The best method to prevent a BLEVE is to direct heavy water streams onto the tank from a safe distance.

A

True

Firefighter Academy (44 decks)

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