Chapter 23 Advanced Fire Suppression

Question 1

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.

Answer 1

Alcohol-resistant foam concentrate

Question 2

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.

Answer 2

Aqueous film-forming foam (AFFF)

Question 3

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

Answer 3

Batch mix

Question 4

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.

Answer 4

Bounce-off method

Question 5

Foam for use on fires in Class A fuels.

Answer 5

Class A foam

Question 6

Foam intended for use on Class B fires.

Answer 6

Class B foam

Question 7

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

Answer 7

Combination attack

Question 8

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

Answer 8

Compressed air foam (CAF)

Question 9

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

Answer 9

Compressed air foam system (CAFS)

Question 10

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.

Answer 10

Defensive operations

Question 11

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

Answer 11

Direct Attack

Question 12

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.

Answer 12

Eductor

Question 13

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

Answer 13

Film-forming fluoroprotein foam (FFFP)

Question 14

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

Answer 14

Fluoroprotein foam

Question 15

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

Answer 15

Foam blanket

Question 16

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

Answer 16

Foam concentrate

Question 17

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

Answer 17

Foam injector

Question 18

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

Answer 18

Foam proportioner

Question 19

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

Answer 19

Foam solution

Question 20

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

Answer 20

Hostile fire event

Question 21

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.

Answer 21

Indirect attack

Question 22

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.

Answer 22

In-line eductor

Question 23

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

Answer 23

Offensive operations

Question 24

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

Answer 24

Premixed foam solution

Question 25

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

Answer 25

Protein foam

Question 26

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

Answer 26

Rain-down method

Question 27

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.

Answer 27

Roll-in method

Question 28

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

Answer 28

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

Question 29

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.

Answer 29

Transitional attack

Question 30

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.

Answer 30

D. tetrahedron.

Question 31

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

Answer 31

A. Offensive

Question 32

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

Answer 32

C. To prevent the fire from spreading

Question 33

The decision to conduct offensive or defensive operations is made by the A. fire fighter. B. captain. C. incident commander. D. fire chief.

Answer 33

C. incident commander.

Question 34

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.

Answer 34

A. 2 ½ inches.

Question 35

Master streams are typically used for A. structure fires. B. hazardous materials incidents. C. offensive operations. D. defensive operations.

Answer 35

D. defensive operations.

Question 36

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.

Answer 36

A. nozzle.

Question 37

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

Answer 37

B. Combination

Question 38

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.

Answer 38

C. indirect application of water.

Question 39

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.

Answer 39

C. 1700 times greater than the volume of water.

Question 40

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.

Answer 40

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

Question 41

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

Answer 41

B. deck gun.

Question 42

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.

Answer 42

D. protecung exposures.

Question 43

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.

Answer 43

A. Class A foam.

Question 44

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.

Answer 44

D. uphill and upwind side.

Question 45

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.

Answer 45

C. overhaul the vehicle.

Question 46

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.

Answer 46

B. in the trunk of the vehicle.

Question 47

Flammable liquid fires can be extinguished using A. Class A foam. B. Class B foam. C. Class C foam. D. Class D foam.

Answer 47

B. Class B foam.

Question 48

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.

Answer 48

C. 270:1.

Question 49

To prevent explosionssible overheating situations, propane tanks are equipped wlth A. relier valves. B. release val\'es. C. connection valves. D. vapor space.

Answer 49

A. relier valves.

Question 50

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.

Answer 50

C. Class C agents.

Question 51

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

Answer 51

combustion

Question 52

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

Answer 52

defensive

Question 53

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

Answer 53

defensive

Question 54

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

Answer 54

fog

Question 55

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

Answer 55

air

Question 56

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

Answer 56

interior

Question 57

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

Answer 57

direct

Question 58

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

Answer 58

large

Question 59

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

Answer 59

ignition

Question 60

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

Answer 60

basements

Question 61

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

Answer 61

oxygen

Question 62

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

Answer 62

True

Question 63

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

Answer 63

False

Question 64

True/False Master stream devices are operated from a fixed position.

Answer 64

True

Question 65

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

Answer 65

True

Question 66

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

Answer 66

True

Question 67

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

Answer 67

False

Question 68

True/False A master stream device can be directed by remote control.

Answer 68

True

Question 69

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

Answer 69

False

Question 70

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

Answer 70

True

Question 71

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

Answer 71

False

Question 72

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.

Answer 72

False

Question 73

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

Answer 73

True