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Engineer Prep > Training Bulletins > Flashcards

Training Bulletins Flashcards

1
Q

When using the indirect method, when can vertical ventilation take place?

A

After fire is knocked down

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2
Q

When using indirect method, use wide angle or ______ degree cone spray?

A

30

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3
Q

Hose stream show be through a window or door directing water…where?

A

Above seat of fire

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4
Q

Hose efficiency is increased with?

A

Higher Pressures

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5
Q

How many gallons of diesel are produced in California each day?

A

8 mill

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6
Q

How many gallons do two axle trucks store?

A

3,000

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7
Q

How many gallons do vacuum trucks store?

A

2,500- 5,000

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8
Q

Tank trucks transport _____% of all fuel in California?

A

90

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9
Q

2 piece truck/tractor carry _____ in the truck and ____ gallons in the trailer?

A

4,200 and 4,800

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10
Q

If gasoline fuel tanker tire is on fire (No product on fire) use a min. of _____ inch hose line<

A

1 1/2

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11
Q

Fuel tanker, all external piping is constructed with built in ______ points?

A

Shear

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12
Q

California has______ filling stations?

A

9,500

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13
Q

Trucks and tractors can be up to _____ feet long and carry_____ gallons?

A

40 feet
9,000 gallons

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14
Q

Double baffles may be illegally plugged due to leaks. Plug may hold up to how many gallons?

A

200 gallons

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15
Q

When a tanker is spilling fuel, eliminate ignition sources a m minimum of _______ feet?

A

100 Feet

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16
Q

Check the battery area with the combustible gas meter. The LEL must be below _____LEL before disconnecting the battery?

A

10

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17
Q

Trailers certified DOT406 built 9/1/93 to present are designed to carry all the following?

A

Flammable
Combustible Liquids
Liquid food vapor less than 3 psi

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18
Q

New style pressure reliefs on storage tankers prevent BLEVE’s. What PSI are they set at?

A

3-5 psi

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19
Q

During an auto fire, use Hayward or crowbar to prop hood. Hood latches are usually made of?

A

Plastic

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20
Q

Safe areas around auto is a minimum of____ feet?

A

30 feet

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21
Q

Fuel tanks may BLEVE within_____ minutes after the fire starts?

A

10

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22
Q

Explosion hazards from______ vapors can occur from automobile batteries?

A

Hydrogen

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23
Q

During an auto fire, hydraulic bumpers can project outward up to _____ inches?

A

3

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24
Q

What percentage of department fires are auto fires?

A

20%

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25
Q

When did auto makers start using vapor canisters?

A

1970

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26
Q

Excessive warning lights my cause _______ in drunken drivers?

A

Focus Fixation

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27
Q

Air conditioning systems use freon gas. When exposed to heat makes two toxic gases?

A

Fluoride Phosgene

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28
Q

Some automotive bumpers are charged with ____ PSI nitrogen/helium?

A

150 PSI

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29
Q

Diesel Fluid has a flash point of ______ degrees F?

A

125

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30
Q

Water has a great cooling effect because it expands _________ to 1?

A

1,700

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31
Q

All the following are true of a spray nozzle

A

Less Reach/ Penetration

Excessive psi breaks up spray quicker

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32
Q

Spray streams has greater _____ coverage so less nozzle movement is required?

A

Angular

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33
Q

One gallons of water absorbs _____BTU in changing to steam?

A

9330

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34
Q

When changing a gallon of water to steam only 1250 BTU’s are being utilized in raising the water temperature from 62 to ____ degrees F.

A

212 F

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35
Q

What will spray stream do to oxygen concentration?

A

Reduces

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36
Q

All the following are true about using a spray nozzle.

A

Define spray limits, the amount of water applied to fire

Handlines are easier to handle at higher psi

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37
Q

What voltage are street lights powered with?

A

120 to 6150

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38
Q

______ amps of electricity going through the body we’re just two seconds is enough to cause death.

A

1/10

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39
Q

What describes voltage?

A

Push (psi)

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40
Q

What is extremely high voltage?

A

Excess of 60,000

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41
Q

What is fighting apparatus around effective power poles, spot at least the distance?

A

Between two poles

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42
Q

What describes the amps?

A

Flow

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43
Q

What is the range of high-voltage?

A

600 to 59,999

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44
Q

When directing hose streams on a power pole, what is the 100 indicate in the 30/33/100 rule

A

100PSI

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45
Q

According to Niosh and OSHA, over______ deaths occurred from electrical?

A

700

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46
Q

over_____ electrocutions, wires down and electrical incidents occur annually in Los Angeles city.

A

3000

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47
Q

Crossarms carry voltage signs that states____?

A

High voltage 750 V

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48
Q

Danger of high-voltage capacitors, as they have been known to retain a deadly electrical charge______ after the power has been shut down?

A

Weeks

49
Q

DWP. Primary distribution lines_____ KV?

A

4.8

50
Q

Electrical current is a movement of?

A

Charge

51
Q

There are two main components of the electrical transportation system.____ and_____.

A

Grids and transmission lines

52
Q

Transmission insulators can be______feet to______feet long.

A

3 to 20

53
Q

Organic phosphates are produced as a war gas during?

A

World War II

54
Q

When you come in contact with organic phosphates, wash with soap and water for _____ minutes•

A

15

55
Q

Organic phosphates are

A

Not water soluble

56
Q

When exposed to organic phosphates, all is true.

A

Eyes and tongue may twitch

57
Q

Low heat breaks down organic phosphates at what temperatures?

A

200 to 240

58
Q

What is the discharge time in seconds from 15 to 20 feet from a 20 BC dry chemical extinguisher?

A

10 sec

59
Q

On acid spills, hold a dry chemical extinguisher how many feet above the spill?

A

2 to 3 feet

60
Q

20 BC dry chemical extinguisher’s cover deep layered class B fuel equal to?

A

20 sq ft

61
Q

Dry chemical extinguisher’s are tested to?

A

600 psi

62
Q

The nozzle on a dry chemical extinguisher shapes to a________ degree cone?

A

60°

63
Q

Dry chemical extinguisher’s hold ________ pounds of dry chemical powder.

A

20 pounds

64
Q

When a dry chemical extinguisher is in need of re-charge, send to

A

Supply & maintenance with an F175

65
Q

To prevent splashing, when using an depths of flammable liquid care should be taken to direct the initial discharge from a distance not closer than _______to ________ feet.

A

6 to 8 feet

66
Q

What percentage of fires are held in check by sprinklers?

A

96%

67
Q

According to the NBFU, companys should hook up how many lines into sprinkler connections?

A

2 lines

68
Q

Officers shall be thoroughly familiar with sprinkler systems (3 true statements)

A

Maintain list of sprinkler buildings

LAFD restores system with deployed

Sprinklers deliver water were needed better than firefighters

69
Q

The following are true about a junior sprinkler system.

A

Supplied by 1 inch brass pipe

No fire department, connections, or drains

Usually 1/4” or 3/8” head

70
Q

Normally even_______ hoseline can extinguish a fire being controlled by sprinklers?

A

One 1-1/2”

71
Q

A junior system sprinkler head will flow______ as a standard?

A

1/2”

72
Q

Deliver_________ psi to inlets, if no fire showing

A

100 psi

73
Q

In an electric, radiant, heating building, does electricity flow through the system when the thermostat is off?

A

No

74
Q

In an electrical, radiant heating building, electrical wires can be as high as what voltage?

A

220

75
Q

When building is equipped with electric radiant heat, when can fire companies cut into ceilings and walls?

A

When the main power is off

76
Q

An electric, radiant heating building, the thermostat controls what rooms?

A

Bedroom
kitchen,
living area

77
Q

Electrical, radiant, heating wires are concealed in construction by all the following.

A

Cement
Plaster
Drywall

78
Q

Cables are installed in ___________ throughout an area, and connected to thermostats which control the amount of current flowing through the wires?

A

Loops

79
Q

After overhauling a railroad car with with bailed goods, maintain a watch for?

A

Several days

80
Q

Who shall be present before opening a US male railroad car?

A

US postal authorities

81
Q

After an indirect attack, wait, how many minutes after smoke is cleared before opening doors to railroad cars

A

10 minutes

82
Q

Use all the following techniques to determine if there is heat/fire inside a railroad car.

A

Visualize blistering paint

Wet down car and look for evaporation

Cut small holes using axe

83
Q

In order to conserve fuel during emergency operations, use hydrant when possible or?

A

Manifold

84
Q

Low tire pressure affect fuel 1% for each_______ psi.

A

2

85
Q

Fuel conservation______ Saving for proper operation, ________% for properly tuned

A

10-10

86
Q

The best fuel economy takes place at what mile per hour?

A

45 mph

87
Q

In order to conserve fuel, the maximum speed in the LAFD vehicle should be?

A

55 mph

88
Q

The most important fuel saver is?

A

Drivers attitude

89
Q

Avoid prolonged idling. If the delays more than one minute turn off the engine, the recommended time for warming up an engine_______to__________ seconds.

A

30-60 sec

90
Q

_____ oil makes for a much better fuel, gas mileage.

A

Warm oil

91
Q

Engineer shall pump______ to_______ above desired psi before flowing water from the water pipe.

A

25-40

92
Q

When using the fog hog on a ladder pipe,________ the stream straightener barrel.

A

Remove it

93
Q

How often do you inspect ladder halyards?

A

Monthly and after use

94
Q

How do you prevent a halyard from unraveling?

A

Crown splice

95
Q

Construction of gymnasium floors are built up on concrete with what type of flooring?

A

Tongue and groove

96
Q

What should officers consider to confirm a gymnasium floor fire is out?

A

Request Probe eye

97
Q

Gymnasium floors use ventilation fans event under the floors. Where are the fans located?

A

In the equipment room

98
Q

When you have a fire in the gymnasium floor, what shall you do first?

A

Shut down main gym power

99
Q

Fans in equipment rooms provide ventilation for Floor. Return grills are _______ above floors?

A

2 feet

100
Q

Which industry use organic peroxides?

A

Plastic

101
Q

All of the following are true about organic peroxides.

A

May exploded high temps

Classified as a unstable material

A catalyst

102
Q

Organic peroxides are used in the industrial process and is?

A

Highly flammable

103
Q

Recognition of organic peroxides dependent upon the DOT levels. An example may be?

A

A yellow label (oxidizers)

104
Q

What type of permit is required when storing any amount of organic peroxides?

A

Division 4 permit

105
Q

What types of fire fighting operations shall be implemented in small quantities of organic peroxides are exposed to fire?

A

Apply water from a far distance

106
Q

If ________ Regions, organic peroxide, explosion is eminent.

A

Fire

107
Q

If members in town or organic peroxide storage without a permit, probably notify the FPB. Engineering unit by phone followed by?

A

F-44

108
Q

Organic peroxide is stored in all the following.

A

Glass carboys

Earthenware

Polyethylene bags

Paper bags with polyethylene liners

109
Q

Lexan temperatures rangeS are from?

A

-60 to 280

110
Q

Lexan windows are usually an 1/8 to 1/4 inch thick but in special installations may be how thick

A

1-1/4

111
Q

At what degree will Lexon soften?

A

350°

112
Q

When you encounter Lexan windows, the first cut should be?

A

Horizontal cut

113
Q

When you encounter Lexan windows, what type of blade shall be used?

A

Carbide blade

114
Q

When identifying Lexan windows, strike with a hard instrument, which will give a _________ sound.

A

Dull plastic

115
Q

Who modified the claw tool

A

USAR88

116
Q

During overhaul, the number one priority is

A

Safety

117
Q

During overhaul, tractors are ordinarily…

A

Not used

118
Q

During overhaul, if piles left on a public way, who should be notified?

A

Street maintenance

119
Q

All of the following are true about overhaul objectives.

A

Insure fires out

Determine cause

Provide for security

Minimize further damage

Keep debris on fire property

Engineer Prep (18 decks)

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