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TB 5 TB 8 TB 116 > auto fires, electrical hazards, metro rail > Flashcards

auto fires, electrical hazards, metro rail Flashcards

1
Q

LAFD TB 5 Auto fires, the following are considerations to be included a proper size-up and implementation of apparatus placement. Uphill, upwind, personnel protection, warning devices and _____

A

water supply

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2
Q

LAFD TB 5 Auto fires, the ground cable (battery) can be identified as the one attached to the _____

A

vehicle body/frame

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3
Q

LAFD TB 5 Auto fires, *mechanical energy absorbing bumpers employ a heavy spring to absorb impact. these units travel up to _____ inches

A

4

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4
Q

LAFD TB 5 Auto fires, *hydraulic energy absorbing bumpers are filled with a mixture of nitrogen/helium gas pressurized to _____ and a hydraulic fluid chamber. They can travel up to _____

A

150 psi / 3”

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5
Q

LAFD TB 5 Auto fires, when heated to the point of decomposition, freon gas used in air conditioners can produce what two toxic gasses _____ and _____

A

phosgene and fluoride

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6
Q

LAFD TB 5 Auto fires, the flash point of gasoline is _____

A
  • 45
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7
Q

LAFD TB 5 Auto fires, what percentage of the LAFD responses involve motor vehicles

A

20%

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8
Q

LAFD TB 5 Auto fires, there is an explosion hazard associated with the battery due to the presence of what gas _____

A

Hydrogen vapors

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9
Q

LAFD TB 5 Auto fires, what protective equipment needs to be worn when working in the engine compartment
( *battery ) _____ or SCBA facepiece

A

safety goggles

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10
Q

LAFD TB 5 Auto fires, when disconnecting the battery cables, which cable should be disconnected first _____

A

the ground cable

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11
Q

LAFD TB 5 Auto fires, what is the leading cause of fires in an engine compartment _____

A

fuel system malfunction fuel line rupture and pump continuing

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12
Q

LAFD TB 5 Auto fires, for fires involving dash instrumentation, disconnect the electrical power and treat as a class _____ fire

A

A

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13
Q

LAFD TB 5 Auto fires, what is the usual cause of tire fires _____

A

overheated brakes and/or underinflation

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14
Q

LAFD TB 5 Auto fires, the flash point of diesel is _____

A

125

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15
Q

LAFD TB 5 Auto fires, the effective range of a dry chem 20lb extinguisher is _______ to _____

A

15 to 20 feet

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16
Q

LAFD TB 5 Auto fires, flow of LPG piping can be controlled by _____ found on storage cylinder

A

closing valves

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17
Q

LAFD TB 5 Auto fires, how many feet constitutes working in IDLD

A

30’

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18
Q

LAFD TB 8 electrical hazards, high voltage signs on cross arms indicate conductors with more than _____ volts

A

750

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19
Q

LAFD TB 8 electrical hazards, in certain areas of the City of Los Angeles, the DWP installed underground electrical cables and transformer vaults instead of overhead wires. during an electrical vault fire, manhole covers that weigh _____ pounds have been blown _____ feet into the air and a distance of _____ feet

A

300 lbs 75 feet and 125 distance

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20
Q

LAFD TB 8 electrical hazards, the most effective methods of identifying different voltages are: 3 ways

A

signs on the cross arms, size and shape of the insulators, distance between conductors

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21
Q

LAFD TB 8 electrical hazards, street lights can be fed from conductors carrying _____ volts or more

A

120-6150

22
Q

Utilize the _____ rule for using hose streams around high voltage.

A

30,33,100

23
Q

LAFD TB 8 electrical hazards, the fog spray should be set at a _____ degree fog pattern

A

30

24
Q

LAFD TB 8 electrical hazards, firefighters should maintain a distance of at least _____ feet from the energized source

A

33

25
Q

LAFD TB 8 electrical hazards, a minimum of _____ psi is pumped

A

100

26
Q

LAFD TB 8 electrical hazards, spot apparatus and have responding personnel maintain at least _____ from the affected wire or pole

A

one span (the distance between two poles)

27
Q

LAFD TB 8 electrical hazards, occupants trapped in a vehicle by energized wires should remain in their vehicle until the power is _____

A

de-energized

28
Q

LAFD TB 8 electrical hazards, vehicle that are able to drive clear of wires, should be driven clear of wires by how many feet?

A

35 feet

29
Q

LAFD TB 8 electrical hazards, there are two methods that can be used to remove ones self from an energized vehicle:

A

jump from the vehicle without touching it, keeping both feet together and taking small hops
jump from the vehicle without touching it and shuffling the feet together

30
Q

LAFD TB 8 electrical hazards, maintain a safe distance from transmission towers of _____ and ______ from transmission lines

A

35 and 100

31
Q

LAFD TB 8 electrical hazards, LADWP test rubber glove to _____ every_____

A

10,000 volts every 120 days

32
Q

LAFD TB 116 metro rail red line, The train configuration is set up with a minimum ____ car combination and up to a _____ maximum.

A

Two, six

33
Q

LAFD TB 116 metro rail red line, The controller’s cab is located in the A or B car?

A

A

34
Q

LAFD TB 116 metro rail red line, the trains are propelled by four traction motors per car, operated from ______ volts direct current

A

750

35
Q

LAFD TB 116 metro rail red line, The battery box is located under the _____ car

A

B

36
Q

LAFD TB 116 metro rail red line, each train car can seat _____ passengers, along with one wheelchair space, but can accommodate a total of _____ passengers in a standing “crush load”

A

59, 220

37
Q

LAFD TB 116 metro rail red line, in an emergency, all doors can be manually opened from the inside the car by pulling downward on the ______

A

red ball

38
Q

LAFD TB 116 metro rail red line, you must wait _____ seconds before manually separating the doors

A

5 seconds

39
Q

LAFD TB 116 metro rail red line, each car is equipped with _______ extinguishers one is located in the _____

A

two 10A/60BC extinguishers operators cab

40
Q

LAFD TB 116 metro rail red line, The TC&C will contain vital monitoring equipment such as the fire alarm panel, methane detector and communication equipment. What is done in the room?

A

reset of fire alarms

41
Q

LAFD TB 116 metro rail red line, The EMP is located on the wall at the _________ level

A

Mezzanine

42
Q

LAFD TB 116 metro rail red line, for large scale/prolonged incident, consideration should be to send a ________ to the rail operations center

A

Battalion chief BC13 preferred

43
Q

LAFD TB 116 metro rail red line, green exit sign indicate what level access _____

A

street level

44
Q

LAFD TB 116 metro rail red line, Emergency escape hatches have panic hardware on the in side and an access door on the outside, which may be opened with a ______

A

hydrant wrench

45
Q

LAFD TB 116 metro rail red line, Fire protection water systems, there are 2 1/2 inch outlets located approximately every _____ feet in the tunnel and cross passages.

A

250 feet

46
Q

LAFD TB 116 metro rail red line, the batteries are located under the “B” car, and a battery disconnection switch is located _____

A

inside of the battery compartment

47
Q

LAFD TB 5 Auto fires, parking _____, _____ affords protection from hazardous vapors, and reduces smoke in the WORK AREA

A

uphill upwind

48
Q

LAFD TB 5 Auto fires, energy absorbing bumpers may release without warning and the device may travel up to _____ feet

A

25

49
Q

LAFD TB 5 Auto fires, LPG is _____ than air

A

heavier

50
Q

LAFD TB 116 metro rail red line, the platform level is the area where passengers enter and exit trains. This level will have the emergency trip station (ETS), emergency equipment room, and access to the tunnels. There will be an ETS at each end of the station for each track, indicated by the _____

A

Bule BLS

51
Q 
LAFD TB 8 electrical hazards, street lights are dangerous because they may be fed from conductors carrying up to \_\_\_\_\_ volts 
480
750
4800
6600
A

4800

TB 5 TB 8 TB 116 (1 decks)

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