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Operations Bulletins > Firefighting Ops > Flashcards

Firefighting Ops Flashcards

1
Q

Normal internal temps of Catalytic Converter _______. Normal outside surface temp _______. FFOps 1

A

1300-1600, 1000 degrees

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2
Q

Fuel Evaporation Control System vacuum relief set to operate at ____ and a pressure relief valve set to open at _____. FFOps 1

A

3/8 psi, 1 psi

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3
Q

The act of cooling the fuel tank on auto fires with a second hose should be considered appropriate from both a tactical and safety standpoint. FFOps 1

A

TRUE

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4
Q

Veh Fire apparatus positioned at least ____ in front of veh and at least ____ to rear of veh. FFOps 1

A

50 feet; 100 ft

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5
Q

1st handline goes to the ___________ with 2nd handline going to the __________ using a _________ pattern. FFOps 1

A

passenger comp, fuel tank, wider fog

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6
Q

You should not remove the fuel cap ofvehicles on firefor the purpose of relieving excess pressure. FFOps 1

A

TRUE

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7
Q

If the temp produced by the veh fire reaches in excess of ____ degrees, auto ignition make occur rupturing a protective disk and venting argon. FFOps 1

A

480

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8
Q

At ____ degrees the initiator component of undeployed airbags will auto ignite. FFOps 1

A

750

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9
Q

Some airbags are designed to auto inflate at repeated and prolonged temps above _______ degrees. FFOps 1

A

250

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10
Q

Tell tale sign of an Electric Vehicle (EV or Hybrid Electric Vehicle BEV) is the international _______ color associated w/the wiring system. FFOps 1

A

Orange

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11
Q

In EV cars there is a delay of _____ mins b/t the time the power is cut and the system is de-energized of all of it’s stored energy. FFOps 1

A

5 to 10

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12
Q

Large EV fires can be safely controlled w/water; if the fire involves the batteries & is minor in nature consider utilizing a “type” D dry chem extinguisher. FFOps 1

A

TRUE

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13
Q

Use a ________ to dilute toxic smoke from a burning sodium and sulfur battery. FFOps 1

A

Water fog

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14
Q

With more plastics in today’s vehicles currently there is over_____ lbs of combustible material in vehicles. FFOps 1

A

900

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15
Q

Isolate E85 spill for at least_____ ftin all directions. FFOps 2

A

150ft or 50 meters

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16
Q

Be cautioned that E85 has a very___ flash point; use of water spray when fighting fire may be inefficient. FFOps 2

A

low

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17
Q

To extinguish large fires involving E85 fuel you should use straight streams. FFOps 2

A

FALSE

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18
Q

For large spills of E85, consider downwind evac for at least __________. FFOps 2

A

1000ft or 300 meters

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19
Q

If a tank, rail car or tank truck is involved in an E85 fire, isolate for ___________ and consider evacuation for ___________ in all directions. FFOps 2

A

1/2 mile or 800 meters, 1/2 mile or 800 m

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20
Q

Metro fleet buses contain___ CNG tanks that operate at_____ psi. Each tank has an independent shut-off located at the end of each tank. FFOps 3

A

7, 3600

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21
Q

There are ___ PRDs (pressure relief devices) located in the roof area which will activate @ ___ psi or when the tank is heated to ____ degrees. FFOps 3

A

8, 5400, 220

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22
Q

There are___ methane sensors located on the bus w/2 in the tank compartment & 2 in the engine compartment. Sensors alert the driver to leaks in 2 modes: “trace” and “significant”. If a______ alert is activated the engine will shut down. FFOps 3

A

4, significant

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23
Q

CNG burns w/ an _______ flame and has a flashpoint of _____ degreesFFOps 3

A

orange, 560

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24
Q

On Metro CNG buses temperature sensors release an extinguishing agent when reaching a temp of ______which can also be manually activated by the driver near his driving position. FFOps 3

A

280

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25
Q

The 7 tanks are filled w/a CNG that is mostly made up of __________. FFOps 3

A

Methane

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26
Q

The fueling compartment door is located_______ and contains a fuel shut off located inside the door. To shutdown the system turn the lever____ degreesor ____ to the piping. FFOps 3

A

in the right rear of the bus, 90, perpendicular

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27
Q

For CNG minor leaks remove ignition sources ____ ft and ____ ft for major leaks. FFOps 3

A

100, 300

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28
Q

Although some vehicles running Propane are marked, there are no federal or city regulations that require the labeling or placarding of such vehicles. FFOps 4

A

TRUE

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29
Q

Propane gas is _____ than air, has a vapor density of ____, and an expansion ratio of ___________. FFOps 4

A

heavier, 1.6, and 270 to 1

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30
Q

Propane gas fueled vehicles have fuel cylinders that hold approx ___ gal located in the ____ of the vehicle. FFOps 4

A

25, trunk

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31
Q

The greatest danger after a helicopter crash is ________. FFOps 5

A

fire

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32
Q

All onlookers should be kept a minimum of_____ft from the helicoptercrash scene. FFOps 5

A

1500

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33
Q

Members should expect a potential____ gal of fuel on board the aircraft at any crash scene. FFOps 5

A

100

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34
Q

The safest area of a helicopter crash is __________. FFOps 5

A

inside the helicopter

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35
Q

Helicopter landing zoneson streets and thoroughfares stop traffic ____ ft in all directions w/lead vehicles lights turned off. FFOps 5

A

150

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36
Q

Helicopter landing zones in a field or park a minimum diameter of _______ ft is preferred. FFOps 5

A

100

37
Q

When aircraft is grounded post a guard at the rear of the aircraft just outside the perimeter (____ ft) to alert people of tail rotor. FFOps 5

A

100

38
Q

________ It will react violently w/water and depending on the volume involved________extinguishers are required. FFOps 5

A

Magnesium, class D (dry powder)

39
Q

_________ Although lightweight it presents extreme extrication challenges. FFOps 5

A

Titanium

40
Q

_________ LIghtweight and will lose structural support @ the melting point of ______ to _____ degrees. FFOps 5

A

Aluminum, 700 to 800

41
Q

If two fog streams are of the same_______ and the water droplets had the same initial ______, the one containing the most water will have the greatest reach b/c it will have greater momentum. FFOps 6

A

diameter, velocity

42
Q

Fog streams are superior to solid streams when their heat absorption qualities are compared, but fog streams must have sufficient volume to penetrate the heated area. FFOps 6

A

TRUE

43
Q

Water cannot absorb its full capacity of heat unless it is completely converted into _______. FFOps 6

A

steam

44
Q

Tests have shown that_________ motion of the nozzle is usually more satisfactory. FFOps 6

A

circular

45
Q

The number of fog streams to use should be determined by the______ ______area involved & the______ of the nozzles. FFOps 6

A

cubic foot, volume

46
Q

The____ degreeangle produces a good combination of reach and fog pattern, no matter what the size of the hose. FFOps 6

A

30

47
Q

In order to produce images that better distinguish b/t objects in the overall temp range, the TIC will automatically operate b/t what’s called LOW and HIGH sensitivity modes.HIGH sensitivity mode operates up to approx _____ degrees. FFOps 7

A

300

48
Q

The TIC does not transmit thru glass or water, may reflect off of smooth surfaces, not able to view objects thru dense material, will not define a hole in the floor, and images may be affected by two way radios. FFOps 7

A

TRUE

49
Q

NONE of the TIC’s currently in use by DCFD are rated as intrinsically safe. FFOps 7

A

TRUE

50
Q

The TIC will focus on an object from ______ ft to ________. FFOps 7

A

3, infinity

51
Q

The TIC shows the user a ________ dimensional view therefore the user must scan all sides at all levels of each area or room. FFOps 7

A

2

52
Q

____________ will carry their assigned TIC and will first scan the ________ area and end the scan on the ________. FFOps 7

A

Truck OICs, ceiling, floor

53
Q

All _________ team members and the __________ and _______ will carry and operate their assigned TIC on all structure fire incidents. FFOps 7

A

rescue squad, 2nd due BFC, SO

54
Q

Once the 12v battery cables of Hybrid vehicles are cutthe high voltage relays will de-energize shutting down all high voltage to the vehicle. FFOps 8

A

FALSE

55
Q

If the”______” light on the dash is illuminated, then there is a possibility that the converter will supply power to the high voltage control module and high voltage power will still be running through the orange cables. FFOps 8

A

Ready

56
Q

The “Smart Key” does not have to be in the ignition only within ____ to _____ feet of the vehicle. FFOps 8

A

10 to 15

57
Q

Some hybrid vehicle airbags will maintain power for a few mins after battery is disconnected. FFOps 8

A

TRUE

58
Q

A Fire Watch is required to be implemented for system outages for maintenance of ____ hrs or longer, blocked or locked means of egress, etc. FFOps 9

A

4

59
Q

After normal bus hours, the________________________ is the designated Fire Marshal representative. FFOps 9

A

on-duty fire investigations unit platoon commander

60
Q

If a Fire Watch is implemented by a Fire Marshall representatitve thena journal entry shall be recorded at FIU and a SR detailing all relevant info shall be submitted to the Fire Marshal w/in____ hrs. FFOps 9

A

24

61
Q

If a fire watch cannot be implemented w/in___ hour or the problem mitigated, it will be the responsibility of the Fire Marshal’s Office rep to remain on the scene and institute a call back for Fire Prevention personnel to institute a fire watch. FFOps 9

A

1

62
Q

DC Fire Dept does not consider the testing and maintenance of fire protection system’s to be an “outage” if the system is restored w/in___ hrs. FFOps 9

A

4

63
Q

_____ ______is recommended when fire suppression activities are in the vicinity of electrical equipment. FFOps 10

A

Fog pattern

64
Q

Priority __ Electrical Emergency: Any electrical problem in a structure that prohibits “fire overhaul” b/c the main electrical switch cannot be controlled to interrupt power to that location. FFOps 10

A

2

65
Q

Priority __ Electrical Emergency:Any vehicle accident that has a downed power line or power pole, but does not hinder rescue or emergency care.
FFOps 10

A

2

66
Q

Priority ___ Electrical Emer:Include power outages b/c of blown fuses, tripped transformer, tree limbs on wires or loose guy wire. FFOps 10

A

3

67
Q

If the wire is found already down upon arrival and no fire has resulted, or is likely to result, companies may report in service, provided a member of__________ is at the scene to warn persons of the danger. FFOps 10

A

the police dept

68
Q

___________ An engine w/ a supply of LDH staffed w/ a min of a driver. FFOps 11

A

Water Supply Engine (WSE)

69
Q

____________ a WSE in tandem w/ shared house engine company. FFOps 11

A

Water Supply Engine Company (WSEC)

70
Q

_____________ (3) WSECs and a BFC

A

Water Supply Task Force

71
Q

Radio channel _____ will be the designated channel for the Water Supply Task Force to operate. FFOps 11

A

A-13

72
Q

The IC may designate a _______ _________ Chief the Water Supply Task Force Leader. FFOps 11

A

Logistics Section

73
Q

The _________ ( or ________) will direct the staging, positioning and the operations of the apparatus. FFOps 11

A

Task Force Leader, Logistics Section Chief

74
Q

When arriving on the scene, WSTF shall stage ___________ away to access to the 3rd and 4th due engines. FFOps 11

A

2 blocks

75
Q

When in staging companies should identify a water source ideally greater than _______ gpm in the area. FFOps 11

A

1500

76
Q

Companies can identify a water source by contacting the FLO on _____ or by Google Earth on the MDC. FFOps 11

A

C-16

77
Q

Companies will select high flow hydrants greater than 1000 gpms within 1000ft or roughly 2 blocks but not more than the hose bed capacity of _____ ft. FFOps 11

A

1500

78
Q

The “_____ ______ ___” allows the full potential of the hydrant to be used by allowing a direct path for the water to enter the pump on the right side steamer connection. FFOps 11

A

Heavy Hook Up

79
Q

Companies should open the hydrant after connecting and note the ________ _________. FFOps 11

A

Static Pressure

80
Q

The Fire Commander provides cavitation protection when in the __________ mode. FFOps 11

A

Pressure

81
Q

When ordered, begin filling the LDH with ________ pressure only. FFOps 11

A

hydrant

82
Q

Once your intake guage returns to the original static pressure place the _____ ___ _____. FFOps 11

A

pumps in gear

83
Q

After a constant flow on the fireground is established the______ pressure on the_____ gauge will be noted to calculate the hydrant capacity.FFOps 11

A

residual, intake

84
Q

3 times the current flow avail at the hydrant ___________ FFOps 11

A

Less than 10%

85
Q

2 times the current flow avail at the hydrant ____________ FFOps 11

A

11 to 15%

86
Q

1 time the current flow avail at the hydrant _____________ FFOps 11

A

16 to 25%

87
Q

An amount less than the current flow avail at the hydrant _____________ FFOps 11

A

greater than 25%

88
Q

Maintain no less than ____ psi of intake pressure. FFOps 11

A

20

89
Q

When discharging water, calculate to allow ___ psi at the portable hydrant and figure ___ psi at the next pump in a relay. FFOps 11

A

20, 20

Operations Bulletins (3 decks)

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