Training Bulletins 31-60 Flashcards
TB 31 Polycarbonate Windows
Lexan is used in temperatures ranging from ________________, and will soften at ______ F.
– 60º F to 280º ; 350˚
TB 31 Polycarbonate Windows
Lexan window material has a thickness from ______________. On special installations protecting cashiers, bank tellers and toll collectors the thickness of sheets used may be up to _______ .
1/8” to 1/4”
1 1/4”
TB 31 Polycarbonate Windows
When cutting Lexan windows with rotary saw , ___________ cuts should be made first
Horizontal
_____________ are currently the best lines of defense against any dangerous form of gases, vapors, and particulates
Time and shielding
Firefighting gear provides protection from products of combustion in two forms:
Respiratory Protection (SCBA)
Skin Absorption
Areas that are deemed to be unsafe for personnel to access shall be completely restricted – with ____________________________
BOTH fire line tape AND red/white striped barricade tape
The IC is responsible for documenting all hazards/risks, the area(s) involved, and any mitigation measures using an __________ Incident Action Plan Safety Analysis
ICS 215A
What are the three types of overhaul options available?
- complete overhaul
- wet overhaul
- fire watch
Minimal PPE may be considered when the occupancy has been well ventilated for a minimum of _______
One Hour
When a complete overhaul is performed, overhaul piles shall be established in a location that will minimize any inconvenience to the public, and at a minimum of ____________ away from any part of a structure.
10 feet
Unfortunately, firefighters are 14 percent more likely to be diagnosed with cancer than the general population, and cancer accounts for roughly ______ of all line-of-duty firefighter deaths.
60%
TB 035 - Overhaul Procedures
combustible materials and other removed contents should be located in separate piles and wet down with a hose-line using ______ to ensure extinguishment.
Foam
TB 060 - Methanol Vehicles
What chemical family does methanol fuel belong to ?
Alcohol
TB 060 - Methanol Vehicles
Methanol, unlike gasoline or diesel fuel will mix with water. A mixture of methanol and water is still flammable when diluted with approximately what ratio ?
5 parts water to 1 part methanol
TB 060 - Methanol Vehicles
Methanol-air mixtures containing more than 36 percent volume do not flash because these mixtures are too rich to burn. A fire hazard exists if the storage temperature of methanol in contact with air approaches the flash point of ______.
11˚C (52˚F)
TB 060 - Methanol Vehicles
The greatest danger from methyl alcohol is its specific ____________
Toxic effect upon the eyes
TB 060 - Methanol Vehicles
List the several methods of extinguishing methanol fires, list from most effective to least:
Dry chemical extinguisher
Halon
AFFF/ATC
Water
TB 060 - Methanol Vehicles
The engine fuel filler is located ___________________________
Behind small access door on the RIGHT hand side of bus
TB 060 - Methanol Vehicles
Each bus will be equipped with an on-board fire/explosion suppression system designed by Santa Barbara Research Center. The components of the system include three dual-spectrum infrared sensors mounted in the engine compartment, ______________________________________
Two direct discharge nozzles, and Two 20 pound halon 1301 cylinders
TB 038 - Receprocating Saw
The Tiger Saw can be used for plunge cutting _____, ______, ______, and _______
Wood ; plywood; wallboard and plastic materials
DO NOT PLUNGE CUT METAL
TB 038 - Receprocating Saw
When cutting angle, H-beam, or channel type metals start the cut on the surface where the greatest number of teeth will contact the work. Try to keep at least ____ in contact with the work at all times.
3 teeth
TB 038 - Receprocating Saw
The saw is designed for cutting wood up to ___ thick, metal up to ____ thick, and various other materials, such as plastics, fiberglass, hard rubber, etc
12”
3/4”
TB 038 - Receprocating Saw
How long is the power cord ?
9- 1/2’
TB 038 - Receprocating Saw
Lower speeds are recommended for most _________ operations, while higher speeds are recommended for ____.
Metal cutting
Wood
TB 038 - Receprocating Saw
Which blade is best suited for cutting through A post and across the windshield ?
960R 9” blade with 10 TPI
TB 45 Railroads
Railroads transport approximately ____ of all hazardous materials.
70%
TB 044 - Rotary Saw
Abrasive blades should not be used on soft metals such as ___________
Aluminum or brass
TB 044 - Rotary Saw
Before mounting any abrasive blade on a rotary saw, the blade shall be inspected. Blades shall be a minimum of ____ to remain in front line service.
12”
TB 044 - Rotary Saw’
Combi-blade had a continuous cutting depth of _____
4 3/4”
TB 044 - Rotary Saw
Concrete diamonds blades are designed as ________
Cutting rotation .
Directional
TB 044 - Rotary Saw
Pulling out the choke on the K-970 will activate the ____ throttle position
Half
TB 044 - Rotary Saw
On the K-970, press the air purge diaphragm ___ times
Six
TB 044 - Rotary Saw
Flooding procedures, pull starting cord and cycle the saw quickly about _______
4-5 times
TB 044 - Rotary Saw
What are the daily checks on rotary saw ?
Fuel
Starting position
Blade guard
Belt tension
Visual inspection
Blades and blade board
Carrying strap
TB 044 - Rotary Saw
What are the weekly checks on the rotary saw ?
Perform daily check
Start and run till warm
Run to high rpm
Abnormal sounds
Abnormal vibrations
Inspect start cord
TB 044 - Rotary Saw
What are the monthly checks on the rotary saw ?
Cutting head assembly
Drive belt
Clutch assembly
Air filter
Spark plug
Muffler
Replace fuel if needed
TB 044 - Rotary Saw
What are the checks after each use on the rotary saw ?
Refuel
Blade
Blade guard
Air filter
Visual inspection
Clean entire saw
Start and run saw
TB 044 - Rotary Saw
For two stoke fuel mix, how many ounces of oil is required when filling the following gallon tanks:
1 gallon
2 1/2 gallons
5 gallons
1 gal - 2.6 ounces
2 1/2 gal - 6.5 ounces
5 gal - 13 ounces
TB 044 - Rotary Saw
With the weekly check, While the saw is running, the member will depress the throttle fully for _________ to bring up the RPM’s and allow the saw to return to idle before repeating the process _____ times
1-2 seconds
2-3
TB 044 - Rotary Saw
Sparks can be thrown up to ______
30 feet
TB 044 - Rotary Saw
Glazing or build-up of material on the diamond segments, can be cleaned by cutting in a soft material such as _______________
Brick
Cinder block
Or asphalt
TB 049 - Polychorinated Byphenyls (PCBs)
What kind of effects have occurred from occupational exposure to PCBs ?
Dermatological
TB 049 - Polychorinated Byphenyls (PCBs)
When were PCBs banned ?
July 2, 1979
TB 049 - Polychorinated Byphenyls (PCBs)
What are the mot often encountered sources of PCBs ?
- Electrical Transformers ( 20- 600 gals or more )
- Capacitors. ( 2- 4 gals )
Exploded capacitors may be Black in color
TB 049 - Polychorinated Byphenyls (PCBs)
Some trade names describing PCBs are :
- Askarel
- Pyranol
- Clorphen
- Elemex
- Fenclor
- Asbestol