FI-210 4x4
Minimum depth of mud that a fire engine can get stuck in
- 1 inch or less
3 main fundamentals of fire investigation
- 1. Determine the origin2. How ignition source came in contact w/ burnt materials3. identify responsible party
Minimum size of GOA ( General origin area)
- 1/2 acre or less
Max slope for side hilling; CDF Policy
- 15%
When driving off-road and uphill, maintain________ to_________ RPM's.
- 1500-1700
When you encounter a large rock or tree branch you need to climb, use your left foot on the break and maintain RPM's of _________
- 1500-1700
Juveniles under _________ years old must consult with counsel prior to interrogation
- 16
A single indicator may be accurate within a _________ deg arc.
- 180
Walk the perimeter of the specific origin area at least_______ times
- 2
NFPA 1901 says that engines over 33k lbs can be tilted_____% without lifting a wheel
- 27%
The average size of a power pole is _________ feet tall.
- 40
Maximum climbing slope able to drive per CDF policy?
- 40%
_________ deg. is a 100% slope.
- 45
Why would you slightly ride your brakes when driving through water ?
- Keeps mud and grit out of your brakes
Minimum size of a SOA (Specific Origin Area
- 5x5
How many steps are there in the scientific method used in investigation
- 6
LE-66 is due_____ days after the start of the fire
- 7
Chain of custody is logged on a LE-_____ form
- 75
When interviewing allows the subject to do________% of the talking in the conversation
- 80
NFPA________ relates to investigation
- 921
Who has a responsibility to protect the origin during IA?
- All fire suppression personal/IC
Foliage freeze points_________(towards or away from) the origin
- Away from; influenced by the wind
What steps can you take to avoid becoming "high centered"?
- Build a ramp with rocks or cribbing
What happens when hot components are driven through or placed in cool water?
- Can create a vacuum and suck water in
LE-80
- Case report for cost recovery
__________ evidence tends to prove a fact in dispute indirectly
- Circumstantial
Burn permits , ownership maps, etc. are examples of ____________ evidence
- Demonstrative
The_________ splits torque equally between both tires.
- Differential
Which part of the chassis usually has the least clearance?
- Differentials
A testimony is classified as _________ evidence
- Direct
What information do you need to obtain from a witness?
- Driver's license and phone number
Wind influenced indicators usually appear on the ______side (exposed or non-exposed)
- Exposed
T/F Fuzee slag, firework remains, matches and cigarettes are non-fragile evidence
- False
T/F a single investigator is preferred over a team approach
- False
T/F Most fires start with an open flame
- False; They start smoldering
T/F Witness under the influence should not be interviewed
- False; however wait until they are sober
T/F Conduct group interviews if the witnesses were together when they witnessed the event
- False; never group interviews
T/F Start your investigation where you think the origin is
- False; start far out, and work your way in
T/F Unless it is in climate weather, utilize the engine brake or exhaust break for majority of off road braking
- False; turn them off
Analyzing the relationship between majority of individual indicators reveals the overall
- Fire pattern
A physical object that displays changes from exposure to fire reveals fire progression is called a
- Fire pattern indicator
Process for putting engine in 4WD
- Flip switch to engage the front axle - Flip the XFER switch from HIGH to LOW - Put transmission in 1st gear
If torque is ____________ (greater/less) than traction, the wheels will spin
- Greater
IF your motor restarts while you're climbing a hill follow these 3 steps:
- Hold the brake w/left foot - Accelerate w/ right foot - Release the brake - Don't roll backwards
Facts that are common knowledge (ie. fireworks are common on 4th of July) are called _____________ when using as evidence
- Judicial Notice
2 requirements for Miranda rights to be given
- Law enforcement is interrogating the subject AND the suspect perceives they are being detained
The scientific method, plus specific methods equals____________
- Methodology
Protection indicators appear on the _______side (exposed or non-exposed) at a ________ deg to ______deg angle
- Non exposed - 45-90 deg
When a fire is backing downhill or against the wind, the angle of char will be __________ to the slope
- Parallel
When you trying to find the origin and you need to move an object, what do you need to do prior to moving the object?
- Photograph it in place
To determine the cause of a fire, 1st narrow down which causes were__________. Then after the fact finding and investigation, determine which cause is the most_________ in your opinion.
- Possible; probable
Be wary of ____________ in off road situations when steering around obstacles because you can clear the front tires, but scrape the rear side panels.
- Rear wheel cheat
A tree with burnt bark advancing diagonally upwards from right-to-left, had fire approach it from the ______side
- Right
What class is FI-210
- SFM fire investigation/ origin and cause
white ash will adhere to objects when they have _____________ (Sooting or staining) because it is sticky
- Staining
LE-71
- Supplemental report used to update fire reports LE-80
Orderly, thoroughness, methodical, and regularity relate _________ to methodically investigating a fire
- Systematically
Most fire cases rely on physical evidence and __________
- Testimonials
If the lead investigator is diverted to another duty, who is now responsible for the investigation/ report?
- The IC
__________ is the amount of force or power supplied to the wheels.
- Torque
Cupping on a leaf; the curved edges on the leaf will point_______ the origin.
- Toward
Grass stems will fall ______(toward or away from) the origin if they aren't completely consumed in backing fires
- Toward
Cupping on a leaf; the curved edges on the leaf will point_______ the origin.
- Towards
____________ is the amount of friction between the tires and the road surface.
- Traction.
T/F Approach all fire investigations as if a crime has been committed
- True
T/F Do not steer when you are not moving
- True
T/F Fire pattern indicators become more subtle the closer you get to the origin
- True
T/F If the transfer case is in NEUTRAL, the transmission will engage, but the axle will not receive power
- True
T/F If the witness interview isn't taken ASAP, the story can become "tainted" by the witness discussing the story with others
- True
T/F If you pick up an object such as a bottle or rock, and see a clean burn line, the fire came from the direction with the clean burn line.
- True
T/F Its okay to get a witness statement from a juvenile
- True
T/F Never turn/steer wheels when you're stopped in 4WD
- True
T/F Physical evidence can only provide PART of the overall investigation
- True
T/F Stop the apparatus to put the transmission into 1st gear when going into 4WD
- True
T/F Transition zones of fire patterns are often subtle
- True
T/F The investigator may assist the witness in drafting a witness statement
- True, as long as they sign it.
T/F Once an investigator is assigned then the responsibility of the investigation is transferred to the investigator
- True; However the IC must document everything prior to the investigators arrival
What 2 concepts does damage differential tell us?
- U or V pattern; individual indicators
Until an origin and cause is concluded and documented, the fire is still____________.
- Under investigation
If two or more possible causes are equally likely, then determine the fire cause to be___________.
- Undetermined
Who's responsibility is it that all fires in their response area are investigated
- Unit chief
When side hilling, keep your wheels on the _______(upper or lower) side of the road
- Upper
What is easier to drive in, wet sand or dry?
- Wet Sand
Evidence based flag colors
- White=evidence - Lime Green= Points/items of interest
Foliage freeze, grass stem, cupping, and angle of char are all _______ influenced indicators
- Wind
White ash deposits is an indicator influenced by__________
- Wind
The perimeter of the specific origin area is where the fire was first influenced by
- Wind, fuel or topography
Macroscale indicators are found on ________ vectors
- advancing
If you feels like you are going to roll when side-hilling turn_______(uphill or downhill) and step on the ________(brake or accelerator) pedal
- downhill; accelerator
The longer the wheelbase, the greater the chance there is to get stuck________ on an obstacle
- high centered
The process of inquiry that seeks admissions of guilt or confessions is called a/an__________
- interrogation
A detailed questioning of a subject to determine facts of an incident is called a/an
- interview
What is the 9400 handbook
- investigation
Evidence may be submitted and used if it was obtained in areas that were__________ or ___________.
- public property or in plain view
Investigate the origin in a _____________ pattern
- serpentine
Which vehicle has the right-of-way when 2 vehicles meet on a hill? (uphill or downhill)
- uphill
4 areas of a fire scene relating to investigation
1. Overall fire area 2. General origin area 3. Specific origin area 4. Ignition area(largest to smallest)
CAL FIRE horn signals 1,2&3
1. Stop2. Move forward3. Move backward
The goal of the prevention program is the prevention of _____1_____ and ____2__ of unwanted_____3____ caused fire with emphasis on______4_____ and_____5___ of large, damaging fires.
1. ignition 2. spread 3. human caused 4. loss reduction 5. prevention
Vector areas are based on the dynamics of_________
Fire spread