Training Bulletins 3- 11 Flashcards by Edwin Amaya

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

1300 degrees

10 minutes

How well did you know this?

Not at all

Perfectly

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 _____

3 PSI

How well did you know this?

Not at all

Perfectly

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

3/16”

Thinner

How well did you know this?

Not at all

Perfectly

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 ________

3 to 5 psi

How well did you know this?

Not at all

Perfectly

TB 004 - Gasoline Tank Truck-Trailer Incidents

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

100 feet

How well did you know this?

Not at all

Perfectly

TB 004 - Gasoline Tank Truck-Trailer Incidents

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

80,000 lbs

How well did you know this?

Not at all

Perfectly

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

How well did you know this?

Not at all

Perfectly

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 ______

150 psi

How well did you know this?

Not at all

Perfectly

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 ______

3 inches

4 inches

How well did you know this?

Not at all

Perfectly

TB 005 - Automobile Fires and Associated Hazards

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

30 feet

How well did you know this?

Not at all

Perfectly

TB 005 - Automobile Fires and Associated Hazards

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

15 to 20

How well did you know this?

Not at all

Perfectly

TB 005 - Automobile Fires and Associated Hazards

True or False

LPG is heavier than air

True

How well did you know this?

Not at all

Perfectly

TB 005 - Automobile Fires and Associated Hazards

The _____________________ will normally assume the role of Safety Officer.

Engine company captain

How well did you know this?

Not at all

Perfectly

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.

1;1700

How well did you know this?

Not at all

Perfectly

TB 007 - Fighting Fires with Large Spray Streams

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

Skin Friction

How well did you know this?

Not at all

Perfectly

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

700; 12%

How well did you know this?

Not at all

Perfectly

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

AMPS

Volts ; 1000 Volts

OHMS

How well did you know this?

Not at all

Perfectly

TB 008 - Electrical Hazards at Fires

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

Watts
Amps
Volts

How well did you know this?

Not at all

Perfectly

TB 008 - Electrical Hazards at Fires

Extremely high voltage:

High voltage :

Low voltage:
And also commonly referred to as _______

60,000 volts or greater

600 to 59,999 volts

600 volts or lower ; secondaries

How well did you know this?

Not at all

Perfectly

TB 008 - Electrical Hazards at Fires

Generation facilities generate electricity between ________ and ________

4000 and 20,000 volts

How well did you know this?

Not at all

Perfectly

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.

69Kv ; 1000Kv

230 Kv

How well did you know this?

Not at all

Perfectly

TB 008 - Electrical Hazards at Fires

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

3 to 20 feet

How well did you know this?

Not at all

Perfectly

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.

4.8 kv

How well did you know this?

Not at all

Perfectly

TB 008 - Electrical Hazards at Fires

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

1/10th of an AMP

How well did you know this?

Not at all

Perfectly

TB 008 - Electrical Hazards at Fires For every minute that defibrillation is delayed, the patient sustains a _____% reduction in their chances for survival

10%

TB 008 - Electrical Hazards at Fires Heart paralysis occurs at _____

4 amps

TB 008 - Electrical Hazards at Fires When cutting triplex, cut the ______ conductor first

Closest

TB 008 - Electrical Hazards at Fires Streetlights can be fed from conductors carrying ______ to ____ or more

120 to 6150 volts

TB 008 - Electrical Hazards at Fires When performing electrical emergency rescue , vehicle should be driven clear of the wires by at least ________

35 feet

TB 008 - Electrical Hazards at Fires The explosive range for carbon monoxide (co) _____________

12.5 % to 74%

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.

75; 125

TB 008 - Electrical Hazards at Fires The LADWP tests gloves to ________ every ____ days.

10,000; 60

TB 009 - Organic Phosphates - Insecticides What is the antidote fore organic phosphate poisoning ?

Atropine

TB 010 - Litter basket (Stokes Type) The Helicopter Unit uses one _______ "Tagline" to be attached to the head of the litter basket

200 foot

TB 010 - Litter basket (Stokes Type) The tagline has a breakaway segment of velcro which will separate under ____ pounds of pressure.

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.

Straight in-line

TB 010 - Litter basket (Stokes Type) Actual Practice (Simulated Rescue) : Stokes Basket Load rolls of hose in basket to simulate patient with ____________ Approx. weight ?

Three sections of 2 1/2” hose 180 lbs

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

Twice

TB 011 - Pressurized Dry Chemical Fire Extinguishers Which extinguisher can be used to neutralize acid spills?

Dry chemical

TB 011 - Pressurized Dry Chemical Fire Extinguishers When acid spill in encountered, pull locking pin on extinguisher and hold the nozzle _____ above the acid

2 or 3 feet

TB 011 - Pressurized Dry Chemical Fire Extinguishers What is a disadvantage of using dry chem ?

Lack of control after extinguishment

TB 011 - Pressurized Dry Chemical Fire Extinguishers Dry chemical extinguisher consists of: A. Shell of racy gauge steel, tested to ________

600PSI

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.

20; 165

TB 011 - Pressurized Dry Chemical Fire Extinguishers discharge time of a 20- pound dry chemical extinguisher with the valve fully open is ______

10 seconds

TB 011 - Pressurized Dry Chemical Fire Extinguishers The 20 pound CO 2 extinguisher in use on the Department will last _______

60 seconds

TB 011 - Pressurized Dry Chemical Fire Extinguishers Dry Chem has an effective range of approximately __________

15 to 20 feet

TB 011 - Pressurized Dry Chemical Fire Extinguishers The extinguisher will function effectively only so long as the air pressure is between __________

125 to 175 psi

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

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

Weeks after

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?

10 amps

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

26”W x 10’ L

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

2” to 3”

TB 011 - Pressurized Dry Chemical Fire Extinguishers What are the three ways Dry Chemical Extinguisher works ?

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.

TB 011 - Pressurized Dry Chemical Fire Extinguishers Generally dry chemical is most effective on fires involving ____________, __________ and ____________

Flammable liquids, gases, and liquefied gases

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 ____

6 to 8 feet

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.

50 feet

TB 004 - Gasoline Tank Truck-Trailer Incidents What 4 types of materials are tanker trucks designed to carry ?

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

TB 004 - Gasoline Tank Truck-Trailer Incidents When are double bulkheads required ?

When carrying flammable products with different flashpoints in the same tank

TB 004 - Gasoline Tank Truck-Trailer Incidents Why are baffles primarily installed for ?

Tank strength

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.

One foot ; 4 hours

TB 04 Gasoline Tank Truck-Trailer Incidents Disconnection of tow bar shall only be performed by _______________ AND only after _____________.

Trained heavy wrecker personnel ; after product off-loading

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

4 inch ; pneumatic