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Engineer Prep > TB 40-75 > Flashcards

TB 40-75 Flashcards

1
Q

All are true about Bvms.

A

Discard after a single use

If bag does not inflate oxygen flow needs to be increased

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2
Q

When using a BVM within_________ small breath, CO2 should be detected.

A

6

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3
Q

The bag valve mask carbon dioxide detector will turn_______ When there is a good oxygen exchange.

A

Yellow/ tan

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4
Q

If the bag valve mask doesn’t inflate

A

Oxygen Flow needs to be increased

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5
Q

The bag valve mask comes in the following sizes

A

Adult
Peds
Infant

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6
Q

70 years of exposure to an ionization detector will equal how many x-rays?

A

1

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7
Q

Single station smoke detectors shall be mounted________ from a bedroom.

A

12.5 feet

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8
Q

Single station smoke detectors coverage area per detector is?

A

25 feet

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9
Q

Fire is the_________ leading cause of accidental death in America.

A

3rd

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10
Q

Which smoke detector is best for flaming fires?

A

Ionization

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11
Q

Which smoke detectors less prone to unwarranted nuisance alarms?

A

The photoelectric

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12
Q

Only smoke detectors approved by the____________ can be sold or installed in California?

A

California State Fire Marshal

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13
Q

Smoke detector maintenance includes all of the following.

A

Replace batteries
Vacuum
blow with air

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14
Q

All of the following are true about the masonry composition blades.

A

ID with white strip
ID with silver strip
exchange blade less than 9 inches

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15
Q

Rotary saw, may throw spark up to how many feet?

A

15 feet

New training bulletin says 30 feet

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16
Q

When are you required to inspect the rotary saw Arbor?

A

Monthly

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17
Q

During the rotary saw weekly check, check all the following.

A

Run until warm
Blade runs true
Sound abnormal

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18
Q

The rotary saw metal blades are used on?

A

Hard metal only

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19
Q

How often do you check the rotary saw’s belt physical condition?

A

Monthly

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20
Q

Keep the 14 inch rotary saw blade on the saw to reach is a minimum size of?

A

12 inches

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21
Q

The wood cutting blade will cut all the following material.

A

Wood
Lexon
Lightweight metal

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22
Q

When cleaning the rotary saw engine, can water be used?

A

Never

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23
Q

How often do you check the rotary saw nuts and bolts for tightness?

A

Daily

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24
Q

Jake brake is automatically deactivated with auto trans at_______ RPM above idol?

A

150

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25
Q

The use of a Jake brake on a wet street is?

A

Dangerous do not engage

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26
Q

The jake brake is a?

A

Hydraulic engine attachment

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27
Q

The height above, and below the mezzanine floor should not be less than how many feet?

A

Seven

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28
Q

Mezzanines shall not be more than_____ levels in a room?

A

2

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29
Q

If you find an overloaded mezzanine, you should?

A

Treat as a life hazard

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30
Q

_________ is the maximum area a mezzanine can be, more than that it becomes a floor

A

33-1/3%

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31
Q

Mezzanine that do not appear to be adequate and able to support the weight of storage, a fire/life/safety notice Requiring a__________ compliance shall be issued.?

A

Forthwith

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32
Q

When removing Kinks in 4 inch hose, pressure will make it?

A

worse

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33
Q

4 inch hose uses a___________ Extrusion process to eliminate delamination found in layered hoses?

A

Through the weave

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34
Q

Drivers should drive over 4 inch hose at a?

A

45° angle

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35
Q

What is the burst pressure of 4 inch hose?

A

750 psi

36
Q

All the following are true regarding 4 inch hose.

A

49 pounds per section
Yellow of high visibility
Drive over at 45°

37
Q

Identify 4 inch hose with_________ inch stencils 6 inches from the coupling.

A

1-1/2 inch

38
Q

Each section of lightweight 4 inch hose is _________lbs.

A

49

39
Q

The flash point of methanol, volume to air, can be as low as?

A

6%

40
Q

Methanol buses use_________ 20 pound, halon extinguishers.

A

2

41
Q

When working around methanol, the greatest danger is to?

A

The eyes

42
Q

The flashpoint of methanol is ?

A

52°

43
Q

The high-rise hose pack consists of two sections of_________ Inch hose with a_________ GPM nozzle?

A

2”

200gpm

44
Q

Each high-rise pack should consist of how many hose straps?

A

Five

45
Q

Each high-rise hose pack is _______ lbs?

A

38

46
Q

2 inch high rise hose can be bend within how many inches before it kinks?

A

12 inches

47
Q

When forming a high-rise host pack, place the female coupling of the first section, how many inches below the gauge of the SCBA cylinder?

A

10 inches

48
Q

Some high-rises, you may find 2 1/2 hose cabinet in the stairwell above the________floor?

A

4th

49
Q

The high-rise pigtail has a a 2 1/2 inch elbow, which is at a_________ degree angle?

A

60 degree

50
Q

One single layer of 2 inch high rise hoes will be___________ inches taller than double layering?

A

8 inches

51
Q

In a high-rise building, PRV’s are used when pressures exceed________ psi?

A

150 psi

52
Q

Orifice plates are found in all the following locations.

A

Soldered to outlet
behind gasket on the drip cock
behind the gasket on the 2 1/2 inch hose

53
Q

All the following are true why 2 inch high-rise hose is ribbed.

A

Reduces wear
increases grip

54
Q

There are a variety of ways to identify a high-rise system pressure. The quickest and most reliable way is to ?

A

Locate the FDC’s

55
Q

Who is the person responsible for pumping into a high-rise building?

A

The first arriving 200 or the second engine

56
Q

High-rise buildings over_______ stories or system over_______ Psi, another apparatus shall pump half of the system psi.

A

20 stories

250 psi

57
Q

Strap high-rise 2 1/2 inch inlet hose and 2 1/2 inch hose in three places wind psi exceeds?

A

300 psi

58
Q

Hi rise, Inlet signs are required to include all the following information.

A

Address
area building served
And system pressure

59
Q

When supplementing a high-rise fire pump, pump 150 psi to the roof +5 psi per floor or as an alternate method?

A

Fire pump discharge gauge

60
Q

Highrise system pressure equals all the following.

A

Head pressure
Friction loss in standpipe
Required psi highest outlet

61
Q

How many batteries are used to start the LAFD heavy apparatus diesel engine?

A

Five. Batteries.

62
Q

The 12 ton Maxi Force airbags able to lift how many inches?

A

8 inches

63
Q

The Maxi force air hose are rated at what psi, and how many feet long?

A

250 psi
16 feet long

64
Q

When checking Maxi, first airbag for leaks, inflate to what psi?

A

30 psi

65
Q

In order to provide 118 psi, set a regulator to what psi?

A

125 to 135 psi

66
Q

Small leak in a maxi force airbag can be repaired by?

A

Rubber cement

67
Q

The Maxie force is equipped with how many 24 x 24” pieces of plywood?

A

Two pieces

68
Q

The 22 ton Maxi force airbag is able to lift how many inches?

A

10 inches

69
Q

Maxi force, cribbing amounts include how many wedges?

A

Four wedges

70
Q

What is the Burst pressure of the K 22 Maxi force airbags?

A

600 psi

71
Q

What is the shelf life of a V Vac canister?

A

Five years

72
Q

The longest stroke on the V Vac is?

A

150 ml

73
Q

The V Vac canister capacity is?

A

425 ml

74
Q

What is the smallest particle that will pass through the v vac?

A

1/2” or 12mm

75
Q

The pharynx (throat) is a________ inch tubular passage?

A

5 inch

76
Q

When using a 1 inch line for search, engineer should pump what psi?

A

200 to 250 psi

77
Q

When, using a 1 inch line, remove the nozzle tip and use the shut off, which delivers what GPM?

A

65 GPM

78
Q

When conducting RIC searches, and she’ll be done with?

A

Two teams minimum

79
Q

The key element to affective search operation is?

A

Radio communication

80
Q

RIC team leaders shall monitor the radio, all other members should keep volume down to avoid______?

A

Squelch

81
Q

When a downed member is located, leave the 1 inch line in place and ___________ leads out

A

Captain
TB says Team leader

82
Q

What percentage of terrorist incidents include explosive and incendiary agents? 

A

Can’t find

83
Q

If a suspicious package or device is located, the perimeter shall be at least?

A

300 feet

84
Q

Safety zone is that a bomb is a minimum of how many feet?

A

1000 feet

85
Q

IED may be powered with what size battery?

A

9 V

86
Q

During an airport bomb incident, no radio communication is allowed within________ Feet of incident?

A

200 feet

87
Q

What best describes a major explosion?

A

Major damage to adjacent buildings

Engineer Prep (18 decks)

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