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Amaya AO Flashcards > Training Bulletins 3- 11 > Flashcards

Training Bulletins 3- 11 Flashcards

1
Q

TB 004 - Gasoline Tank Truck-Trailer Incidents

Aluminum has a melting point of approximately _________Fahrenheit, a temperature which can be expected about ____________ after the start of most fires

A

1300 degrees

10 minutes

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2
Q

TB 004 - Gasoline Tank Truck-Trailer Incidents

Gasoline Tankers:
They are designed to carry flammable and combustible liquids, alcohol, Class B Poisons and liquid food products with vapor pressures less than _____

A

3 PSI

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3
Q

TB 004 - Gasoline Tank Truck-Trailer Incidents

Most tanks are made of aluminum. The tank wall is thickest at the bottom at _____ and gradually gets __________ as you progress toward the top of the tank

A

3/16”

Thinner

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4
Q

TB 004 - Gasoline Tank Truck-Trailer Incidents

Construction and design features allow for early tank failure at relatively low temperatures with pressure relief devices designed to maintain ________

A

3 to 5 psi

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5
Q

TB 004 - Gasoline Tank Truck-Trailer Incidents

Gasoline Tanker Incident – Leak, No Fire: • Eliminate potential ignition sources a minimum of _______ from the spill

A

100 feet

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6
Q

TB 004 - Gasoline Tank Truck-Trailer Incidents

Gross weight of the vehicle, tank and product can be as much as _____________

A

80,000 lbs

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7
Q

TB 004 - Gasoline Tank Truck-Trailer Incidents

Vacuum trucks can only hold approximately ____% of their rated capacity depending on product weight and required vapor space

A

90

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8
Q

TB 005 - Automobile Fires and Associated Hazards

Hydraulic bumpers - Consists of a gas chamber filled with a mixture of inert, non-flammable nitrogen/helium gas pressurized to ______

A

150 psi

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9
Q

TB 005 - Automobile Fires and Associated Hazards

Hydraulic Bumpers - Consists of a gas chamber and travel is up to ______

Mechanical bumpers - Employs a heavy spring to absorb impact. These units travel up to ______

A

3 inches

4 inches

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10
Q

TB 005 - Automobile Fires and Associated Hazards

Working within _______ of any vehicle fire constitutes working in an IDLH

A

30 feet

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11
Q

TB 005 - Automobile Fires and Associated Hazards

The effective range of a 20 pound dry chem extinguisher is __ to __ feet

A

15 to 20

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12
Q

TB 005 - Automobile Fires and Associated Hazards

True or False

LPG is heavier than air

A

True

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13
Q

TB 005 - Automobile Fires and Associated Hazards

The _____________________ will normally assume the role of Safety Officer.

A

Engine company captain

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14
Q

TB 007 - Fighting Fires with Large Spray Streams

Water expands into steam at a ratio of __ to ______ with 1 gallon of water capable of producing about 227 cubic feet of vapor.

A

1;1700

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15
Q

TB 007 - Fighting Fires with Large Spray Streams

_______________ applies to the friction between air and water as the water travels toward the fire.

A

Skin Friction

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16
Q

TB 008 - Electrical Hazards at Fires

According to the National Institute for Occupational Safety and Health (NIOSH), electrical accidents in the United States account for over _____ deaths a year and OSHA statistics indicate that electrocution accounts for ____ % of worker deaths annually

A

700; 12%

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17
Q

TB 008 - Electrical Hazards at Fires

Quantity of electricity is expressed as ______

The push or pressure behind a current flow is defined as ________ ; Kilovolts is the measure of _______

________ determines how much current will flow through a component controlled by Resistors

A

AMPS

Volts ; 1000 Volts

OHMS

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18
Q

TB 008 - Electrical Hazards at Fires

amps x volts =
watts x volts =
watts x amps =

A

Watts
Amps
Volts

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19
Q

TB 008 - Electrical Hazards at Fires

Extremely high voltage:

High voltage :

Low voltage:
And also commonly referred to as _______

A

60,000 volts or greater

600 to 59,999 volts

600 volts or lower ; secondaries

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20
Q

TB 008 - Electrical Hazards at Fires

Generation facilities generate electricity between ________ and ________

A

4000 and 20,000 volts

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21
Q

TB 008 - Electrical Hazards at Fires

Voltages on transmission lines range from ____ to over ________. Most of the transmission lines coming into Los Angeles are ______, but many lines are higher than that.

A

69Kv ; 1000Kv

230 Kv

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22
Q

TB 008 - Electrical Hazards at Fires

Strings of insulators on transmission towers can range from _______ to ____ long

A

3 to 20 feet

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23
Q

TB 008 - Electrical Hazards at Fires

Overhead Transformers - Pole-mounted transformers are the most common distribution transformer. They are installed on the ______ circuits to step the voltage down to 120/240volts for most residential consumers.

A

4.8 kv

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24
Q

TB 008 - Electrical Hazards at Fires

________ of electricity going through the body for just two seconds is enough to cause death.

A

1/10th of an AMP

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25
Q

TB 008 - Electrical Hazards at Fires

For every minute that defibrillation is delayed, the patient sustains a _____% reduction in their chances for survival

A

10%

26
Q

TB 008 - Electrical Hazards at Fires

Heart paralysis occurs at _____

A

4 amps

27
Q

TB 008 - Electrical Hazards at Fires

When cutting triplex, cut the ______ conductor first

A

Closest

28
Q

TB 008 - Electrical Hazards at Fires

Streetlights can be fed from conductors carrying ______ to ____ or more

A

120 to 6150 volts

29
Q

TB 008 - Electrical Hazards at Fires

When performing electrical emergency rescue , vehicle should be driven clear of the wires by at least ________

A

35 feet

30
Q

TB 008 - Electrical Hazards at Fires

The explosive range for carbon monoxide (co) _____________

A

12.5 % to 74%

31
Q

TB 008 - Electrical Hazards at Fires

Manhole covers often weigh 300 pounds and have been blown _____feet into the air and a distance of _____ feet.

A

75; 125

32
Q

TB 008 - Electrical Hazards at Fires

The LADWP tests gloves to ________ every ____ days.

A

10,000; 60

33
Q

TB 009 - Organic Phosphates - Insecticides

What is the antidote fore organic phosphate poisoning ?

A

Atropine

34
Q

TB 010 - Litter basket (Stokes Type)

The Helicopter Unit uses one _______ “Tagline” to be attached to the head of the litter basket

A

200 foot

35
Q

TB 010 - Litter basket (Stokes Type)

The tagline has a breakaway segment of velcro which will separate under ____ pounds of pressure.

A

80

36
Q

TB 010 - Litter basket (Stokes Type)

Upper Levels of Structures :

The most stable spot of the truck is the ________ position to the objective so that the ladder may be operated directly over the cab or trailer.

A

Straight in-line

37
Q

TB 010 - Litter basket (Stokes Type)

Actual Practice (Simulated Rescue) : Stokes Basket

Load rolls of hose in basket to simulate patient with ____________

Approx. weight ?

A

Three sections of 2 1/2” hose

180 lbs

38
Q

TB 011 - Pressurized Dry Chemical Fire Extinguishers

DRY CHEMICAL is approximately ____ as effective as CO2 on hydrocarbon fires, including methane, for a given size extinguisher

A

Twice

39
Q

TB 011 - Pressurized Dry Chemical Fire Extinguishers

Which extinguisher can be used to neutralize acid spills?

A

Dry chemical

40
Q

TB 011 - Pressurized Dry Chemical Fire Extinguishers

When acid spill in encountered, pull locking pin on extinguisher and hold the nozzle _____ above the acid

A

2 or 3 feet

41
Q

TB 011 - Pressurized Dry Chemical Fire Extinguishers

What is a disadvantage of using dry chem ?

A

Lack of control after extinguishment

42
Q

TB 011 - Pressurized Dry Chemical Fire Extinguishers

Dry chemical extinguisher consists of:

A. Shell of racy gauge steel, tested to ________

A

600PSI

43
Q

TB 011 - Pressurized Dry Chemical Fire Extinguishers

The shell is filled with _______ lbs of dry chemical and then pressurized to approximately _____psi with compressed air.

A

20; 165

44
Q

TB 011 - Pressurized Dry Chemical Fire Extinguishers

discharge time of a 20- pound dry chemical extinguisher with the valve fully open is ______

A

10 seconds

45
Q

TB 011 - Pressurized Dry Chemical Fire Extinguishers

The 20 pound CO 2 extinguisher in use on the Department will last _______

A

60 seconds

46
Q

TB 011 - Pressurized Dry Chemical Fire Extinguishers

Dry Chem has an effective range of approximately
__________

A

15 to 20 feet

47
Q

TB 011 - Pressurized Dry Chemical Fire Extinguishers

The extinguisher will function effectively only so long as the air pressure is between __________

A

125 to 175 psi

48
Q

the voltage is stepped down _____ times in the distribution system before it is delivered to most consumers.

A

3

49
Q

High-voltage capacitors have been known to retain a deadly electrical charge even _________ power has been removed from the circuit.

A

Weeks after

50
Q

the severity of injury from electrical shock depends on the amount of electrical current and the length of time the current passes through the body. An amperage of ______ going through the body is enough to cause death?

A

10 amps

51
Q

TB 003 - Type IV Buildings - Aluminum

Aluminum sheets, are ___ inches wide and ____ feet long, held in place by lead-headed straw- nails twisted around the pipe framework

A

26”W x 10’ L

52
Q

A charge of static electricity capable of jumping ____ to ____ may build up in a person’s body when climbing a tower

A

2” to 3”

53
Q

TB 011 - Pressurized Dry Chemical Fire Extinguishers

What are the three ways Dry Chemical Extinguisher works ?

A
  1. In the presence of heat, releases carbon dioxide and water vapor which provides a smothering action.
  2. Heat is absorbed by both solid particles and water vapor which provides cooling.
  3. Chemical chain reaction of combustion is interrupted.
54
Q

TB 011 - Pressurized Dry Chemical Fire Extinguishers

Generally dry chemical is most effective on fires involving ____________, __________ and ____________

A

Flammable liquids, gases, and liquefied gases

55
Q

TB 011 - Pressurized Dry Chemical Fire Extinguishers

To prevent splashing when using on depths of flammable liquid, care should be taken to direct the initial discharge from a distance not closer than
___ to ____

A

6 to 8 feet

56
Q

TB 004 - Gasoline Tank Truck-Trailer Incidents

If there is no container available, you must use the exhaust hose method, i.e. dammed fuel. Vapors are directed a minimum of ____ feet downwind and downhill from any ignition source.

A

50 feet

57
Q

TB 004 - Gasoline Tank Truck-Trailer Incidents

What 4 types of materials are tanker trucks designed to carry ?

A
  1. Flammable liquids
  2. Combustible liquids
  3. Class B Poisons.
  4. Liquid food products w less than 3 PSI
58
Q

TB 004 - Gasoline Tank Truck-Trailer Incidents

When are double bulkheads required ?

A

When carrying flammable products with different flashpoints in the same tank

59
Q

TB 004 - Gasoline Tank Truck-Trailer Incidents

Why are baffles primarily installed for ?

A

Tank strength

60
Q

TB 04 Gasoline Tank Truck-Trailer Incidents

when a defensive attack is employed for a gasoline tanker fire the idea is to let the fire burn itself out. Gasoline will burn at the rate of about _________ vertically, regardless of the surface area. If the fuel that is burning is 4 feet deep in a tank you can expect it to burn for about _____ before it burns itself out.

A

One foot ; 4 hours

61
Q

TB 04 Gasoline Tank Truck-Trailer Incidents

Disconnection of tow bar shall only be performed by _______________ AND only after _____________.

A

Trained heavy wrecker personnel ; after product off-loading

62
Q

TB 04 Gasoline Tank Truck-Trailer Incidents

Los Angeles City Hazardous Materials companies have received equipment and training on what is considered the safest and quickest method of off-loading an overturned tanker. This method is accomplished by drilling a _____ inch hole in the ALUMINUM tank with a _______ drill

A

4 inch ; pneumatic

Amaya AO Flashcards (49 decks)

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