TB 1-39 Flashcards
(157 cards)
1
Q
TB 3 Type lv aluminum buildings
Aluminum has a melting point of approximately ____ degrees Fahrenheit. A temperature which can be expected about ___ min after the start of most fires.
A
1300 degrees/ 10min
2
Q
TB 4 Gasoline Tank Truck trailer incidents
Tank trucks transport approximately ____% of all the fuels used by vehicles
A
90%
3
Q
TB 4 Gasoline Tank Truck trailer incidents
The LAFD also regulates flammable and combustible liquid tank trucks in Div. ____ of the fire code
A
38
4
Q
TB 4 Gasoline Tank Truck trailer incidents
The trucks we all recognize as gasoline tankers are officially classified by the Federal Motor Carrier Standards as MC306 for trucks/tanks built from 1967-1993 and DOT406 for trucks/tanks built from 9/1/93 to present. They are designed to carry flammable and combustible liquids, alcohol, Class B Poisons and liquid food products with vapor pressures less than ____ psi
A
3
5
Q
TB 4 Gasoline Tank Truck trailer incidents
Capacity
Single tank truck with 2 axles= ____gal
Single tank 3 axles = ___ gal
A
3000= 2 axle
5000=3 axles
6
Q
TB 4 Gasoline Tank Truck trailer incidents
Tank tractor with semi trailer connected with fifth wheel. One tank approximately ____ ft long with a capacity of ____ gal.
A
40ft / 9000
7
Q
TB 4 Gasoline Tank Truck trailer incidents
Tank truck pulling a two axle trailer. Each truck tank is approximately ___ ft long. The capacity of the truck tank is ____ gal and the trailer is ___ gal for a total of ___ gal.
A
4200/4800
9000 total
8
Q
TB 4 Gasoline Tank Truck trailer incidents
Most tanks are made of _____. The tank wall is the thickest at the bottom____” and gradually gets thinner as you progress toward the top of the tank.
A
Aluminum / 3/16”
9
Q
TB 4 Gasoline Tank Truck trailer incidents
Double bulkheads are required when?
If hole in bulkhead is illegally plugged, the void space could contain up to ___ gallons of product
A
Products of different flash points in the same tank
200 gal.
10
Q
TB 4 Gasoline Tank Truck trailer incidents
Offloading
Emergency shutdown may also be accomplished by activation of the emergency switches located _________ and _____
A
Left front corner and at the main panel on the right side
11
Q
TB 4 Gasoline Tank Truck trailer incidents
Construction and design features allow for early tank failure at relatively low temperature with pressure relief devices designed to maintain ___ to ___ psi
A
3 to 5psi
12
Q
TB 4 Gasoline Tank Truck trailer incidents
Gasoline tanker incident - leak , no fire: eliminate ignition sources a minimum of ___ ft from spill. Turn off vehicle ignition, if possible, use combustible gas indicator to verify atmosphere around battery terminal ( or battery shut off switch) is below ____%
A
100 ft / 10%
13
Q
TB 4 Gasoline Tank Truck trailer incidents
For tire fires use a minimum ____ hose line with a min. Of ___ gpm
A
1-1/2 hose / 125gpm
14
Q
TB 4 Gasoline Tank Truck trailer incidents
100 square feet of burning liquid would require ___ gal of concentrate at 3%.
A
31gal
15
Q
TB 4 Gasoline Tank Truck trailer incidents
LAFD foam tenders carry _____ gal. Of class b foam.
A
1000gal
16
Q
TB 4 Gasoline Tank Truck trailer incidents
Aluminum tanks will melt at about ____ degrees Fahrenheit
A
1200
17
Q
The ___ has authority over hazardous materials incidents on state roadways.
A
CHP
18
Q
TB 4 Gasoline Tank Truck trailer incidents
Vacuum trucks can hold approximately ___ % of their rated capacity.
A
90%
19
Q
TB 4 Gasoline Tank Truck trailer incidents
Vacuum trucks are classified by 3 tank cleanliness standards
1.
2.
3.
Request which vacuum truck
A
- Dirty - tank is empty but not cleaned
- Clean- tank is empty of product and has been washed with water, possible traces of water and previous product
- Super clean- tank has been chemically cleaned and free of product
*request clean trucks
20
Q
TB 4 Gasoline Tank Truck trailer incidents
Vacuum trucks
When using the exhaust hose method for tank vapors. Vapors are directed a minimum of ___ ft downwind and downhill from any ignition source.
A
50ft
21
Q
TB 5 Automobile fires and associated hazards
Air conditioners - ____ gas used in air conditioners is under pressure and may emit the toxic gases ____ and ____ if heated to the point of decomposition
A
Freon
Phosgene and fluoride
22
Q
TB 5 Automobile fires and associated hazards
Energy absorbing bumpers
Hydraulic- consist of a gas chamber filled with a mixture of inert, non flammable ____/_____ gas pressurized to ____ and a hydro lid fluid chamber which is filled with a petroleum based fluid.
Bumper travel is up to ___ “
A
Nitrogen/ helium @ 150psi
3”
23
Q
TB 5 Automobile fires and associated hazards
Energy absorbing bumpers
Mechanical- employs heavy spring to absorb impact. These units travel up to ___ “
At an incident in the valley , a bumper assembly traveled a distance of ___ ft
A
4”
25
24
Q
TB 5 Automobile fires and associated hazards
Gasoline flash point;
DIESEL flash point
A
Gasoline flash point; -45
DIESEL flash point- 125
25
TB 5 Automobile fires and associated hazards
Working within ___ ft of any vehicle fire constitutes working in an IDLH
30ft
26
TB 5 Automobile fires and associated hazards
When possible, position dry chemical extinguisher on windward side of vehicle. The effective range of a 20lb extinguisher is ___ to ___ ft
15 to 20ft
27
TB 5 Automobile fires and associated hazards
Vehicle extrication
A safe ___ ‘min. Working are must be established
30’ min
28
TB 8 Electrical Hazards at fires
_____ current flow, or electron flow, what flows on a wire or conductor like water flowing down a river.
____ - the difference in electrical potential between 2 points in a circuit. It is the push or pressure behind current flow.
Kilovolts = how many volts
Amps
Volts
Kilovolts -= 1000 volts
29
TB 8 Electrical Hazards at fires
Low voltage =
High voltage =
Extremely high voltage =
Low voltage = below 600 volts
High voltage = 600 to 59,999 volts
Extremely high voltage = excess of 60,000
30
TB 8 Electrical Hazards at fires
Getting electricity to the consumer can be broken down into 3 system.
Generation
Transmission
Distribution
31
TB 8 Electrical Hazards at fires
Large commercial or industrial consumers such as hospitals, malls, high rise, metro rail and large complexes which are connected at ____ kv
34.5kv
32
TB 8 Electrical Hazards at fires
Over head transformers are installed on the 4.8kv circuits to step the voltage down to _____/_____ volts
120/240volts
33
TB 8 Electrical Hazards at fires
The ____ are materials that allow an electric current to flow through them easily
___ are appliances which will prevent the flow of electricity. Most commonly ___ or ____
Conductors
Insulators
Glass or porcelain
34
TB 8 Electrical Hazards at fires
____ of an amp of electricity going through the body for just ___ seconds is enough to cause death.
1/10 amp for 2 sec.
35
TB 8 Electrical Hazards at fires
For every minute that defibrillation is delayed, the patient sustains a ____ % reduction in their chances of survival.
10%
36
TB 8 Electrical Hazards at fires
Heart paralysis occurs at ____ amps. Tissue is burned with currents greater than ___ amps
4 amps
5 amps
37
TB 8 Electrical Hazards at fires
Dry skin may have a resistance of _____ ohms or more. Wet skin may have a resistance of only ____ ohms
100,000 ohms
1,000 ohms
38
TB 8 Electrical Hazards at fires
Cutting wires
Cut the ____ conductor first.
Closest
39
TB 8 Electrical Hazards at fires
For voltages of ___ or more Cal/OSHA and NFPA standards require that the aerial ladders be operated at a minimum clearance of ___ ft of power lines and electrical devices.
600/ 10’
40
TB 8 Electrical Hazards at fires
Even overhead communication cable normally found on the lowest level of a power pole can be energized with up to ___ volts
50
41
TB 8 Electrical Hazards at fires
Keep ground ladders at least ___ ‘ from wires
10’
42
TB 8 Electrical Hazards at fires
Responding to electrical emergencies
-Spot apparatus and have responding personnel maintain at least _______ from affected wire or pole. Don’t count damaged pole
At least one span ( the distance between 2 poles)
43
TB 8 Electrical Hazards at fires
Streetlights can be fed from conductors carrying ____ -____ volts or more.
120-6150
44
TB 8 Electrical Hazards at fires
30/33/100 rule
30 degree fog
Maintain 33 ‘ distance
Minimum of 100 psi
45
TB 8 Electrical Hazards at fires
The clearly identified method to assure that fire personnel and other responders do not enter life hazard zones includes the use of a minimum of ____ horizontal strand of barrier tape that state do not enter or do not cross
3
46
TB 8 Electrical Hazards at fires
Occupants trapped in a vehicle by energized wires should remain in their vehicle until the power is de-energized. However, they may be able to drive the vehicle clear of the wires. The vehicle should be driven clear of the wires by at least _____feet.
35
47
TB 8 Electrical Hazards at fires
call MFC and request the Water and Power line patrolman who is equipped and trained to handle high voltage. Their apparatus operates 24 hours a day, is radio equipped, and can usually reach any area of the City within ____minutes.
10
48
TB 8 Electrical Hazards at fires
Use the mechanical axe with rubber gloves. The LADWP tests gloves to _____volts every ____days.
10,000 every 60 days
49
TB 8 Electrical Hazards at fires
Keep yourself and the public safe at a distance from the manhole opening. If necessary, stop traffic. Manhole covers often weigh ____ pounds and have been blown _____feet into the air and a distance of _____feet
300 lbs
75ft up
125 ft away
50
TB 8 Electrical Hazards at fires
If there is a square manhole , which indicates a _________
Transformer vault
51
TB 8 Electrical Hazards at fires
The main fire hazard within electrical vaults lies in the cooling oil used in the transformers, which has a flashpoint below ____ degrees Fahrenheit
300
52
TB 8 Electrical Hazards at fires
Location of the cables in vault is no longer an indication of voltage. High-voltage cables, up to 230,000 volts, may be located close to the floor inside a conduit containing _____psi oil pressure.
200psi
53
TB 10 LITTER BASKET
Bridle
Consists of 4 lengths of ____ steel cable approximately ____ ft in length
1/8” steel
4-1/2ft in length
54
TB 10 LITTER BASKET
The helicopter unit uses one ____’ tag line to be attached to the head of the litter basket. The tagliatelle e has a breakaway segment of Velcro which will separate under ____ pounds of pressure.
200’ tag line
80lbs of pressure
55
TB 11 pressurized dry chemical fire extinguisher
The chemical itself is _____
Baking soda ( sodium bicarbonate)
56
TB 11 pressurized dry chemical fire extinguisher
Dry chemical, in the presence of heat releases ____ and _______which provides a smothering action
Carbon dioxide and water vapor
57
TB 11 pressurized dry chemical fire extinguisher
Dry chemical is approximately _____ as effective as co2 on hydrocarbon fires
Twice
58
TB 11 pressurized dry chemical fire extinguisher
When a acid spill is encountered pull the locking pin, hold the nozzle ___ to ___ feet above the acid, squeeze the valve just enough to allow the powder to flow gently from nozzle and spread the powder over surface of acid
2 to 3 ft
59
TB 11 pressurized dry chemical fire extinguisher
A shell of heavy gauge steel, tested to ___ psi
600
60
TB 11 pressurized dry chemical fire extinguisher
A nozzle which shapes the dry chemical into a ____ degree fan stream
60 degree
61
TB 11 pressurized dry chemical fire extinguisher
The shell is filled with ____ pounds of dry chemical and then pressurized to approximately ____ psi with compressed air
20 pounds of dry chemical
165psi
62
TB 11 pressurized dry chemical fire extinguisher
The discharge time of a 20 pound dry chemical ext8nguisher with valve fully open is ___ sec.
The C02 extinguisher in use will last ___ sec
10sec
60sec
63
TB 11 pressurized dry chemical fire extinguisher
The extinguisher has an effective range of approximately ___ to ___ ft. To prevent splashing on flammable liquids discharge fr9m a distance not closer than ___ to ___ ft
15 to 20 ft
6 to 8
64
TB 11 pressurized dry chemical fire extinguisher
The extinguisher will function effectively only so long as the air pressure is between ____ to ___ psi
125 to 175 psi
65
TB 11 pressurized dry chemical fire extinguisher
When should you invert, and shake to preclude any possibility of the chemical caking.
Every month
66
TB 012 - Automatic Sprinkler System
“one of the first fire alarm engine companies responding….. should lay two 2 ½ “ lines into the fire department connection.” Pump operators should then deliver _____p.s.i. to the inlet if no fire is showing. If it is obvious that a fire is in progress and a number of heads have opened, pump pressure should be increased to ____p.s.i.
100psi/ 150psi
67
TB 012 - Automatic Sprinkler System
Normally ____ inch lines are sufficient in sprinkle red buildings
1-1/2 lines
68
TB 012 - Automatic Sprinkler System
“Junior systems” may be encountered from time to time which are designed to provide simple, inexpensive protection for light hazard occupancies where not over ____ or ____sprinklers are likely to operate.
3 or 4
69
TB 020 - Fuel conservation/Driving Procedures
Controlled tests have demonstrated that fuel conservation of at least ____ % is possible through proper vehicle operation.
10%
70
TB 020 - Fuel conservation/Driving Procedures
Fuel saving tips;
Abide by the maximum speed limit of ___ mph. Most automobiles get about ___ % better mileages on the highway at ___ mph than 65mph.
55mph;
18% @ 50mph
71
TB 020 - Fuel conservation/Driving Procedures
Avoid prolonged idle. If the delay is more than ____ , turn off engine . The recommended time for warming up an engine is ___ to ___
One min
30sec to 1 min
72
TB 020 - Fuel conservation/Driving Procedures
Tests have proven that jack rabit starts and fast get always can burn over ___ % more gas than normal acceleration
50%
73
TB 020 - Fuel conservation/Driving Procedures
The most important fuel saver of all is ____
Attitude
74
TB 021 - Ladder pipe Operation
Secure hose about ___ feet below ladder pipe with ladder pipe hose strap.
5ft
75
TB 021 - Ladder pipe Operation
Saftey standards
Jackknife apparatus ___ degrees from in line and away from direction of ladder extension.
60 degree jackknife
76
TB 021 - Ladder pipe Operation
Safety standard
Angle of ladder inclination should preferably be ___ degrees from horizontal, and limited to not more than ___ degrees.
Ladder extension limits- 100’ aerial - ___ ft
75 degrees / 80 degrees
80ft
77
TB 021 - Ladder pipe Operation
Additional procedures to consider
Have a firefighter where with a loaded ___ or ___ in line
Part way up ladder with 1-1/2 or 1-3/4 line
78
TB 021 - Ladder pipe Operation
Load the line to the ladder pipe after ___ degrees elevation. And as soon as possible.
50 degrees
79
TB 021 - Ladder pipe Operation
L.T.I. apparatus may use the Akron Turbo Spray Nozzle They shall be limited to the ____GPM setting when used on the ladder pipe.
750gpm
80
TB 021 - Ladder pipe Operation
The nozzle member shall be secured with ____
Safety strap
81
TB 023 - Task Force Operation
The key to the task force concept is _____
Command
82
TB 023 - Task Force Operation
Task force; 2 types
Light task force-x1
Task force;x2
1.A truck co. Staffed by 5 and 2 piece engine co. Staffed by 6
Min of 10
2. A truck co. Staffed by 5. Single engine staffed by 4.
Min of 9
Light task force;
1.a truck co. And single engine co min staffing of six
83
TB 023 - Task Force Operation
. For training and development purposes, the Captain I will be allowed to respond on the truck for a limited period of tine not to exceed ____ . At all times, verbal approval of the ______ is required. If a longer period than _____is desired, verbal approval from the _______ is required.
One month/one month
Battalion commander
Division commander
84
TB 023 - Task Force Operation
Any other variation on the sequence of apparatus shall be agreed upon by ____________. With approval of ____
Any other variation on the sequence of apparatus shall be agreed upon by the station Ta s k F o r c e C o m m a n d e r s o f a l l p l a t o o n s , w i t h t h e a p p r o v a l o f t h e B a t t a l i o n C o m m a n d e r s on all three platoons.
85
TB 032 - Chain Saw
The chain brake is provided on chainsaws to prevent injury to the operator and/ or crew. There are two ways that a chain brake is engaged:
Manual and automatic
86
TB 032 - Chain Saw
Automatic engagement most often occurs when the chain saw kicks back, causing the left hand to strike the hand guard. This occurs very quickly and the brake engages within _______
1/10 of a sec
87
TB 032 - Chain Saw
Some chain saws are equipped with an ____ operated chain brake that engages whenever a violant movement of the chain saw occurs
Inirtia
88
Do not operate chainsaw at speed above ___ when the chain brake is engaged or engine damage may result
Idle
89
TB 032 - Chain Saw
Cutting is an operation involving a minimum of ___ members.
2 members ; operator and safety
90
TB 032 - Chain Saw
The primary responsibility of the safety person is to x3
1. Alert the operator of changing or unsafe conditions
2. Prevent injury
3.assist the operator who is backing up while involved in cutting operations.
91
TB 032 - Chain Saw
The saftey member must maintain constant with operator when?
An effective way for the safety member to remain in contact with operator is to use an ____ grip on an axe scabbard belt, B/A/ webbing etc
Underhand
92
TB 032 - Chain Saw
The length of the chain saw from tip to handle is comparable to a ___ of average length
Pick-headed axe
93
TB 032 - Chain Saw
The length of cut should not exceed the reach of ____
The ventilation tool
94
TB 032 - Chain Saw
Flooded cylinder procedure x4
1. Place on off switch in off position
2. Push in choke- ensure choke is not engaged
3.pull starter cord 4 to 5 times
4.turn switch on. Use normal starting procedure
95
TB 032 - Chain Saw
Once the structural members have been located, Jain saw may be lowered to approximately ____ degrees to the cutting surface
45
96
TB 032 - Chain Saw
Manual oilers should be depressed a minimum of once every ___ sec un light conditions
10 sec
97
TB 032 - Chain Saw
Caution
Do not use ___ as a cleaning solvent
Gasoline
98
TB 032 - Chain Saw
Cuts into rock covered composition roofs should be started after clearing sufficient rock or starting the hole using ____
A pick headed axe
99
TB 032 - Chain Saw
If carbide tips become damaged it will be necessary to replace the chain when: x4
1. Missing/damaged tips on 3 or more in a row
2. Missing /damaged tips on 6 or more at random
3. Cracked/ broken tie straps
4.dull chain
100
TB 032 - Chain Saw
Dull chains should be replaced when ____
Radius on cutting edge is visible to the naked eye
101
TB 032 - Chain Saw
During extended cutting operations, check chain tension every ___
Few minutes
102
TB 032 - Chain Saw
Adjust tension screw, locate inboard of the guid bar on the front of the chain saw. Turn ___ to tighten
Clockwise
103
TB 032 - Chain Saw
Tension is correct when the chain travels freely around the bar as it is pulled by hand and _____
The bottom of all tie straps and cutters touch the underside of the bar rails.
104
TB 032 - Chain Saw
Daily checks;
X7
1. Check fuel level
2. Lubricating oil
3. Chain condition, tension and proper direction of travel
4.proper starting position
5.check carrying strap and hooks for condition
6. Check gauntlet gloves location/condition
7. Visual check for loose fasteners and or covers
105
TB 032 - Chain Saw
Weekly
X10
1perform daily
2.start
3.manual oiler several times
4.run until warm
5.check if chain is being oiled
6. At idle check chain brake
7.shut off
8. Check chain tension
9. Inspect starter cord
10.top off fluids
106
TB 032 - Chain Saw
Do not run chain saw at full rpm without load for more than ____ or engine damage may result
A few seconds
107
TB 032 - Chain Saw
Monthly checks
X7
1.daily
2. Spark plug gap.
3. Inspect engine case for cracks and or leaks
4. Inspect fuel assembly
5. If fuel has not been used in the previous ___ days drain and refill
6. Air cleaner
7. Inspect security of carburetor and all linkage
108
TB 032 - Chain Saw
Petroleum bas3d solvents, including kerosene used to clean tar from chain saw parts shall not be applied in ___ form
Atomized
109
TB 032 - Chain Saw
If saw is warm, place master control lever in the ___ position
Start
110
TB 032 - Chain Saw
1. Chain lubrication is regulated by am oil quantity control bolt, Located on the bottom of the crankcase. The control should always be turned
How far
fully in the plus (+) maximum feed direction.
111
TB 032 - Chain Saw
There are 3 important functions that must be performed prior to disassembling the chain saw.
1. Replace saw. If company does not have second saw place wood cutting blade on rotary saw and notify personnel.
2 note position of guid bar and invert when reassembled
3. Place ignition switch to off
112
TB 032 - Chain Saw
If the chain is still in satisfactory condition, soak in ____before replacing on the saw
Engine oil
113
TB 032 - Chain Saw
Inspect chain sprocket for grooves exceeding ___ “ in depth.
1/16”
114
TB 032 - Chain Saw
Remove and clean the air cleaner by first removing cover. To do so turn the black twist knob ____ degrees which way
90 degrees/ counterclockwise
115
TB 035 - Overhaul Procedures
_______and _______are currently the best lines of defense against any dangerous form of gases, vapors, and particulates
Studies have shown that ___ and ___ greatly reduce the levels of exposure to a hazardous environment.
Time and shielding
Time and proper ventilation
116
TB 035 - Overhaul Procedures
Firefighting gear provides protection from products of combustion in 2 forms:
Respiratory protection (scuba)
Skin absorption (turnouts)
117
TB 035 - Overhaul Procedures
“The use of self-contained breathing apparatus (SCBA) by
firefighters shall always be assumed to be in an atmosphere immediately dangerous to life or health (IDLH) because there is no way to predetermine those dangerous
conditions, concentrations of toxic materials, or percentages of oxygen in air that exist in a fire environment, during initial overhaul (salvage) operations, or under other immediate emergency conditions involving spills or releases of chemicals or other toxic materials”
NFPA_____
NFPA 1404-chapter 4
118
TB 035 - Overhaul Procedures
Areas that are deemed to be unsafe for personnel to access shall be completely restricted - with both ____ and ____ to prevent an6 movement in and around the affected area
Fire line tape and red/ white striped barricade tape
119
The ___ is responsible for documenting all hazards/risks the area involved, and any mitigation measures using an ics 215A Iap safety analysis
Ic
120
TB 035 - Overhaul Procedures
Types of overhaul options
Complete overhaul
Wet
Tic
Fire watch
121
TB 035 - Overhaul Procedures
Minimal ppe may be considered when the occupancy has been well ventilated for a minimum of _____
One hour
122
TB 035 - Overhaul Procedures
When 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 ___ ft from any part of structure
10ft
123
TB 035 - Overhaul Procedures
Unfortunately ffs are ___ percent more likely to be diagnosed with cancer than public. And cancer accounts for roughly ___ percent of all line of duty for deaths
14 % public
60% line of duty deaths
124
TB 031 - Polycarbonate Windows
Lexington is used in temperatures ranging from _____ to ___ degrees F. And will soften at ____
-60 to 280
Soften @ 350
125
TB 031 - Polycarbonate Windows
In normal use , lean window material has a thickness from ___ in to ___ in.
On special installations protecting cashiers, Bank tellers and toll collectors the thickness of sheets used may be up to ____ in
1/8 in to 1/4in
1 1/4 in special
126
TB 031 - Polycarbonate Windows
Which cut is made first?
Horizontal cuts
127
TB 033 - Pneumatic Power Chisel
When in continuous operation, it has an approximate working time of ___ min when used with 30min bottle. Or ___ min with a 60min bottle
2min / 4min
128
TB 033 - Pneumatic Power Chisel
It will cut through mild steel plate up to ____ in thick, mild steel bolts to ___ in in diameter
1/4 in steel plate
Three quarter in bolts
129
TB 033 - Pneumatic Power Chisel
There are three different models currently assigned to field units ___
Jiffy, Chicago, black and decker
130
TB 033 - Pneumatic Power Chisel
Included in each kit are _____(how many) ____ ft sections of air hose
2, 25ft sections
131
TB 033 - Pneumatic Power Chisel
There are 2 types of regulators in operation___ and ____
Medco p-ida
Norgen 11-010
132
TB 033 - Pneumatic Power Chisel
Regulators
Meco regulator is designed to have a maximum intake pressure of ____psi
Norgren max intake of ___ psi
Meco 6000psi max
Norgen 3000psi max
133
TB 033 - Pneumatic Power Chisel
Both types of regulators are preset at ___ psi. At this setting ___ psi working pressure will be supplied at the chisel.
All three units are designed to operate at maximum ___ psi
*excess psi can possibly damage the ____
140 psi preset
100psi at the chisel
100psi max
O rings
134
TB 033 - Pneumatic Power Chisel
Types of chisel
X4
Cutter
Chisel
Extension chisel
Punch
135
TB 033 - Pneumatic Power Chisel
May this tool be connected to the air compressor system of an apparatus
Under no circumstances
136
TB 033 - Pneumatic Power Chisel
Maintenance
After each use;
A.Check for worn or damaged parts.
B. Check the alien screws on the quick-change retainer for tightness.
C. Disconnect the gun from air supply. Put ___drops of ______Lubrication Oil #_____down the air in-take hole. Reconnect gun to air supply and operate unit for one to two seconds. This will lubricate the piston and valve. Do not use heavy oil for lubrication, as it will cause the piston and valve to stick and result in poor performance.
2 drops
Air motor lube oil #288
137
TB 033 - Pneumatic Power Chisel
Can you use the chisel to break or cut glass?
Never
138
TRAINING BULLETIN #038 PORTER CABLE "TIGER SAW" VARIABLE SPEED RECIPROCATING SAW
The saw is designed for cutting wood up to ___ “ thick, metal up to ___ “ thick,
12” wood
3/4” metal
139
TRAINING BULLETIN #038 PORTER CABLE "TIGER SAW" VARIABLE SPEED RECIPROCATING SAW
The saw reciprocates from ___ to ____ strokes per min.
0 to 2600
140
Model 737 porter cable “tiger saw” with ____ foot power cord
9 1/2’ power cord
141
TRAINING BULLETIN #038 PORTER CABLE "TIGER SAW" VARIABLE SPEED RECIPROCATING SAW
Lower speeds are recommended for most ___ cutting operations, while higher speeds are recommended for ____
Metal = slow
Wood = fast
142
TRAINING BULLETIN #038 PORTER CABLE "TIGER SAW" VARIABLE SPEED RECIPROCATING SAW
Straight reciprocating motion should be used for___
Orbital motion is used for fast cutting of ____
Metal = straight
Wood = orbital
143
TRAINING BULLETIN #038 PORTER CABLE "TIGER SAW" VARIABLE SPEED RECIPROCATING SAW
Sawing metal;
Try to keep at least ___ teeth in contact with the work at all times.
3
144
TB 8 Electrical Hazards at fires
Maintain safe distance from transmission towers =
Maintain clearance minimum of ___ ft beyond outermost wire of transmission lines
35= tower
100’= lines
145
TB 8 Electrical Hazards at fires
Explosive range of co is
12.5to 74%
146
TB 8 Electrical Hazards at fires
LAFD policy aerial must be kept 10’ from power lines. If within 10ft rule attempting a rescue you must _____
Keep Apparatus operator at pedestal to provide for personal safety
147
TB 8 Electrical Hazards at fires
AED;
For every minute defibrillator is delayed pt sustains ___ % reduction for chances of survival
Heart paralysis and damage to organs @ ____ amps
Tissue is burned with currents greater than ___ amps
10%
4 amps
5 amps
148
TB 8 Electrical Hazards at fires
Dry skin has resistance of ___ ohms or more
Wet skin has resistance of ___ ohms
100,000
1,000
149
Transmission insulators can be from___ to ___ ft long
3 to 20
150
TB 10 LITTER BASKET
Basic operations;
The need for rescue by means of litter basket may be considered under 3 general operating conditions;
Hillside problems
Upper levels of structures
Excavation
151
TB 10 LITTER BASKET
Spotting for upper levels of structures;
The most stable spot of the truck is ______. If this is not possible spot____
Straight in line position to the objective so that the ladder may be operated directly over the cab. If not possible spot with preferred jackknife
152
TB 021 - Ladder pipe Operation
Maintain at least ___ psi on the cylinder pressure gauge
100
153
TB 032 - Chain Saw
Safe depth of cut will depend on 4 factors;
Type of construction
Thickness of roof covering
Thickness of decking
Intended operation
154
TB 032 - Chain Saw
Starting;
Pull starter cord _____ to engage starter pawls
Just enough
155
TB 3 Type lv aluminum buildings
Most fires reach 1300 degrees in ___ min.
Aluminum sheets = ____ x___ feet long
Aluminum sheets held in by lead headed ______twisted nails
Straw
10min
26x10
156
TB 4 Gasoline Tank Truck trailer incidents
2 towing wreckers = ___ ton
Gross weight of overturned vehicle =
Drill ___ “ hole for offloading hazmat
Vacuum hose = x3 size
Vacuum trucks = ____ & _____
20 ton wreckers
Gross weight = 80,000
Drill 4” hole for offloading
Vacuum hose size = 4”, 3” and 1-1/2”
Vacuum trucks = 2500 and 5000
157
TB 5 Automobile fires and associated hazards
Incidents involving motor vehicles = ___ %
Use ___ or ____ to prop open hood
A ____ malfunction is a leading cause of fire in engine comp.
Most auto glass is ___ tempered/ windshield =
A/O responsibilities = x3
20%
Hayward & crowbar
Fuel system
Tempered/ safety
Truck placement, evaluates extraction operates jaws
