Training Bulletins Flashcards
When using the indirect method, when can vertical ventilation take place?
After fire is knocked down
When using indirect method, use wide angle or ______ degree cone spray?
30
Hose stream show be through a window or door directing water…where?
Above seat of fire
Hose efficiency is increased with?
Higher Pressures
How many gallons of diesel are produced in California each day?
8 mill
How many gallons do two axle trucks store?
3,000
How many gallons do vacuum trucks store?
2,500- 5,000
Tank trucks transport _____% of all fuel in California?
90
2 piece truck/tractor carry _____ in the truck and ____ gallons in the trailer?
4,200 and 4,800
If gasoline fuel tanker tire is on fire (No product on fire) use a min. of _____ inch hose line<
1 1/2
Fuel tanker, all external piping is constructed with built in ______ points?
Shear
California has______ filling stations?
9,500
Trucks and tractors can be up to _____ feet long and carry_____ gallons?
40 feet
9,000 gallons
Double baffles may be illegally plugged due to leaks. Plug may hold up to how many gallons?
200 gallons
When a tanker is spilling fuel, eliminate ignition sources a m minimum of _______ feet?
100 Feet
Check the battery area with the combustible gas meter. The LEL must be below _____LEL before disconnecting the battery?
10
Trailers certified DOT406 built 9/1/93 to present are designed to carry all the following?
Flammable
Combustible Liquids
Liquid food vapor less than 3 psi
New style pressure reliefs on storage tankers prevent BLEVE’s. What PSI are they set at?
3-5 psi
During an auto fire, use Hayward or crowbar to prop hood. Hood latches are usually made of?
Plastic
Safe areas around auto is a minimum of____ feet?
30 feet
Fuel tanks may BLEVE within_____ minutes after the fire starts?
10
Explosion hazards from______ vapors can occur from automobile batteries?
Hydrogen
During an auto fire, hydraulic bumpers can project outward up to _____ inches?
3
What percentage of department fires are auto fires?
20%
When did auto makers start using vapor canisters?
1970
Excessive warning lights my cause _______ in drunken drivers?
Focus Fixation
Air conditioning systems use freon gas. When exposed to heat makes two toxic gases?
Fluoride Phosgene
Some automotive bumpers are charged with ____ PSI nitrogen/helium?
150 PSI
Diesel Fluid has a flash point of ______ degrees F?
125
Water has a great cooling effect because it expands _________ to 1?
1,700
All the following are true of a spray nozzle
Less Reach/ Penetration
Excessive psi breaks up spray quicker
Spray streams has greater _____ coverage so less nozzle movement is required?
Angular
One gallons of water absorbs _____BTU in changing to steam?
9330
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.
212 F
What will spray stream do to oxygen concentration?
Reduces
All the following are true about using a spray nozzle.
Define spray limits, the amount of water applied to fire
Handlines are easier to handle at higher psi
What voltage are street lights powered with?
120 to 6150
______ amps of electricity going through the body we’re just two seconds is enough to cause death.
1/10
What describes voltage?
Push (psi)
What is extremely high voltage?
Excess of 60,000
What is fighting apparatus around effective power poles, spot at least the distance?
Between two poles
What describes the amps?
Flow
What is the range of high-voltage?
600 to 59,999
When directing hose streams on a power pole, what is the 100 indicate in the 30/33/100 rule
100PSI
According to Niosh and OSHA, over______ deaths occurred from electrical?
700
over_____ electrocutions, wires down and electrical incidents occur annually in Los Angeles city.
3000
Crossarms carry voltage signs that states____?
High voltage 750 V
Danger of high-voltage capacitors, as they have been known to retain a deadly electrical charge______ after the power has been shut down?
Weeks
DWP. Primary distribution lines_____ KV?
4.8
Electrical current is a movement of?
Charge
There are two main components of the electrical transportation system.____ and_____.
Grids and transmission lines
Transmission insulators can be______feet to______feet long.
3 to 20
Organic phosphates are produced as a war gas during?
World War II
When you come in contact with organic phosphates, wash with soap and water for _____ minutes•
15
Organic phosphates are
Not water soluble
When exposed to organic phosphates, all is true.
Eyes and tongue may twitch
Low heat breaks down organic phosphates at what temperatures?
200 to 240
What is the discharge time in seconds from 15 to 20 feet from a 20 BC dry chemical extinguisher?
10 sec
On acid spills, hold a dry chemical extinguisher how many feet above the spill?
2 to 3 feet
20 BC dry chemical extinguisher’s cover deep layered class B fuel equal to?
20 sq ft
Dry chemical extinguisher’s are tested to?
600 psi
The nozzle on a dry chemical extinguisher shapes to a________ degree cone?
60°
Dry chemical extinguisher’s hold ________ pounds of dry chemical powder.
20 pounds
When a dry chemical extinguisher is in need of re-charge, send to
Supply & maintenance with an F175
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.
6 to 8 feet
What percentage of fires are held in check by sprinklers?
96%
According to the NBFU, companys should hook up how many lines into sprinkler connections?
2 lines
Officers shall be thoroughly familiar with sprinkler systems (3 true statements)
Maintain list of sprinkler buildings
LAFD restores system with deployed
Sprinklers deliver water were needed better than firefighters
The following are true about a junior sprinkler system.
Supplied by 1 inch brass pipe
No fire department, connections, or drains
Usually 1/4” or 3/8” head
Normally even_______ hoseline can extinguish a fire being controlled by sprinklers?
One 1-1/2”
A junior system sprinkler head will flow______ as a standard?
1/2”
Deliver_________ psi to inlets, if no fire showing
100 psi
In an electric, radiant, heating building, does electricity flow through the system when the thermostat is off?
No
In an electrical, radiant heating building, electrical wires can be as high as what voltage?
220
When building is equipped with electric radiant heat, when can fire companies cut into ceilings and walls?
When the main power is off
An electric, radiant heating building, the thermostat controls what rooms?
Bedroom
kitchen,
living area
Electrical, radiant, heating wires are concealed in construction by all the following.
Cement
Plaster
Drywall
Cables are installed in ___________ throughout an area, and connected to thermostats which control the amount of current flowing through the wires?
Loops
After overhauling a railroad car with with bailed goods, maintain a watch for?
Several days
Who shall be present before opening a US male railroad car?
US postal authorities
After an indirect attack, wait, how many minutes after smoke is cleared before opening doors to railroad cars
10 minutes
Use all the following techniques to determine if there is heat/fire inside a railroad car.
Visualize blistering paint
Wet down car and look for evaporation
Cut small holes using axe
In order to conserve fuel during emergency operations, use hydrant when possible or?
Manifold
Low tire pressure affect fuel 1% for each_______ psi.
2
Fuel conservation______ Saving for proper operation, ________% for properly tuned
10-10
The best fuel economy takes place at what mile per hour?
45 mph
In order to conserve fuel, the maximum speed in the LAFD vehicle should be?
55 mph
The most important fuel saver is?
Drivers attitude
Avoid prolonged idling. If the delays more than one minute turn off the engine, the recommended time for warming up an engine_______to__________ seconds.
30-60 sec
_____ oil makes for a much better fuel, gas mileage.
Warm oil
Engineer shall pump______ to_______ above desired psi before flowing water from the water pipe.
25-40
When using the fog hog on a ladder pipe,________ the stream straightener barrel.
Remove it
How often do you inspect ladder halyards?
Monthly and after use
How do you prevent a halyard from unraveling?
Crown splice
Construction of gymnasium floors are built up on concrete with what type of flooring?
Tongue and groove
What should officers consider to confirm a gymnasium floor fire is out?
Request Probe eye
Gymnasium floors use ventilation fans event under the floors. Where are the fans located?
In the equipment room
When you have a fire in the gymnasium floor, what shall you do first?
Shut down main gym power
Fans in equipment rooms provide ventilation for Floor. Return grills are _______ above floors?
2 feet
Which industry use organic peroxides?
Plastic
All of the following are true about organic peroxides.
May exploded high temps
Classified as a unstable material
A catalyst
Organic peroxides are used in the industrial process and is?
Highly flammable
Recognition of organic peroxides dependent upon the DOT levels. An example may be?
A yellow label (oxidizers)
What type of permit is required when storing any amount of organic peroxides?
Division 4 permit
What types of fire fighting operations shall be implemented in small quantities of organic peroxides are exposed to fire?
Apply water from a far distance
If ________ Regions, organic peroxide, explosion is eminent.
Fire
If members in town or organic peroxide storage without a permit, probably notify the FPB. Engineering unit by phone followed by?
F-44
Organic peroxide is stored in all the following.
Glass carboys
Earthenware
Polyethylene bags
Paper bags with polyethylene liners
Lexan temperatures rangeS are from?
-60 to 280
Lexan windows are usually an 1/8 to 1/4 inch thick but in special installations may be how thick
1-1/4
At what degree will Lexon soften?
350°
When you encounter Lexan windows, the first cut should be?
Horizontal cut
When you encounter Lexan windows, what type of blade shall be used?
Carbide blade
When identifying Lexan windows, strike with a hard instrument, which will give a _________ sound.
Dull plastic
Who modified the claw tool
USAR88
During overhaul, the number one priority is
Safety
During overhaul, tractors are ordinarily…
Not used
During overhaul, if piles left on a public way, who should be notified?
Street maintenance
All of the following are true about overhaul objectives.
Insure fires out
Determine cause
Provide for security
Minimize further damage
Keep debris on fire property
