4x4/ investigation study
Which of the following is an equipment or vehicle use ignition factor? a. Exhaust system particles b. Fulgurites c. RH at or below 22% d. Conductor failure
a. Exhaust system particles
When driving forward, what is it called when the rear wheels track inside of the front wheels? a. Turning b. Rounding c. Off tracking d. Front end swing
c. Off tracking
The evidence protection area is: a. A reasonable expectation of where evidence may be found, based on experience, observation, location and specifics of that incident b. The general origin area, specific origin area, and ignition area c. The location where evidence is stored and secure d. Almost always near the advancing area of the fire
a. A reasonable expectation of where evidence may be found, based on experience, observation, location and specifics of that incident
During fire cause investigation, the scientific method is used as a: a. Framework for solving problems b. Series of steps that must be done in order c. Method for searching the origin of a fire d. Process conducted only in a laboratory
a. Framework for solving problems
If you only had one set of tire chains, where is the best place to put them when driving through snow? a. Front b. Rear
a. Front
When the existing conditions, subsequent actions, and sequence of events that bring an ignition source into contact with the materials first ignited can be established, is referred to as: a. The ignition sequence or "Cause of the Fire" b. The circumstances of the fire c. The point of origin of the fire d. The ignition source
a. The ignition sequence or "Cause of the Fire"
Which statement best describes the physical appearance of the indicator associated with fence wires? a. The wire will have soot deposits on the side the fire came from b. The wire will be melted through and laying on the ground in areas of advancing fire spread c. The wires will sag and point towards the direction the fire came from d. The wires will bulge in the direction opposite the fire origin
a. The wire will have soot deposits on the side the fire came from
All field notes and paper format LE-66 notes shall be destroyed upon complete and accurate transfer of information to the electronic version? a. True b. false
a. True
Avoid mud whenever possible. a. True b. False
a. True
Climb and descend hills at a 90-degree angle. a. True b. False
a. True
Do not steer your wheels when stopped. a. True b. False
a. True
Locking the differential allows maximum torque to be supplied to the axle since the differential is no longer splitting it between the wheels. a. True b. False
a. True
Moist sand is easier to drive in than dry sand. a. True b. False
a. True
Power steering is considered a type of mechanical advantage. a. True b. False
a. True
Torque is the amount of force or power supplied to the wheels. a. True b. False
a. True
When backing up, turning the wheel will cause the front end to swing out to one side. a. True b. False
a. True
When traveling through a very rocky trail, use 1" gear 4- wheel low range to better control your speed. a. True b. False
a. True
You can ride the breaks with your left foot when you drive through the water to expedite the drying process of the breaks. a. True b. False
a. True
Which factor generally has the greatest influence on fire spread and intensity and the resulting formation of the direction indicators? a. Wind b. Fuel moisture c. Topography d. Aspect
a. Wind
You can get yourself stuck in less than _____________ of mud. a. 3 inches b. 1 inch c. 12 inches d. 8 inches
b. 1 inch
The term "transition zone" means: a. Zones within the fire area where the fuels transition from one fuel-type to another b. Areas with the burn where the fire progression changes direction (example: from advancing to lateral, backing to advancing, etc.) c. A series of individual indicators that all show consistent direction of fire progression d. The location on the fire where the suppression actions transitioned from direct attack to indirect attack
b. Areas with the burn where the fire progression changes direction (example: from advancing to lateral, backing to advancing, etc.)
The best way to finesse the accelerator is to put your heal on the floor and use your toe(s). а. True b. False
b. False
When driving through water, get up enough speed to generate a bow wave. a. True b. False
b. False
While driving in sand, if the wheels spin and you are moving, you should stop. a. True b. False
b. False
You don't need to know what's on the other side of the hill before you start to climb it. a. True b. False
b. False
Driving with _____________ simply means treating your vehicle with loving kindness. a. Mechanical aptitude b. Mechanical sympathy c. Attitude d. A light foot
b. Mechanical sympathy
Who is responsible for the fire investigation? a. The Firefighter 1 assigned to the engine b. The CAL FIRE Incident Commander shall ensure that an origin and cause investigation is done c. The Governor appointed director of CAL FIRE by declaration d. A and C
b. The CAL FIRE Incident Commander shall ensure that an origin and cause investigation is done
The lowest temperature at which forest fuels will usually ignite and sustain combustion is: a. 212 degrees F b. 350 degrees F c. 451 degrees F d. 850 degrees F
c. 451 degrees F
A fire pattern indicator that may be found in the advancing areas of the fire is: a. Unburned or slightly damaged fuels b. Foliage freezing point towards the fire origin c. An angle of char that is steeper than the slope d. Lightly scorched or unburned, fallen grass stems pointing towards the fire origin
c. An angle of char that is steeper than the slope
The location where the ignition source comes int contact with the materials first ignited and sustains combustion, is referred to as the: a. Ignition point b. General origin area c. Ignition area d. Area of confusion
c. Ignition area
When you have one foot on the break and one foot on the gas pedal, maintaining a constant speed and higher RPM over and obstacle is called ______________. a. Driving b. Power breaking c. Left foot breaking d. Power driving
c. Left foot breaking
The differential allows the wheels to spin at different _____________. a. Rotations b. Torque c. Speeds d. Traction
c. Speeds
If more __________________ is applied to the wheel than amount of friction present between the tire and the road surface, the wheel will lose traction and spin. a. Traction b. Horsepower c. Torque d. Gas
c. Torque
When you have a slope that is 45-degree angle, your percent slope will be? а. 45% b. 50% c. 90% d. 100%
d. 100%
Fire investigation reporting documentation a. Is not confidential at any time b. Is not discoverable by either the defense or private parties c. Is often done while preparing for court and other testimony d. Allows the investigator to recall and communicate their observations at a later date
d. Allows the investigator to recall and communicate their observations at a later date
Objects that can be easily damaged during the evidence collection process are: a. Metal fragments b. Power line hardware c. Welding slag d. Arson devices
d. Arson devices
Driving in sand dunes is very ________________ and requires specialized instruction. a. Easy b. Fun c. Exciting d. Dangerous
d. Dangerous
What best describes a witness interview? a. Process of inquiry that seeks to establish guilt b. Questioning that requires a Miranda warning c. Brief conversation with on-lookers at the scene d. Detailed questioning used to determine facts
d. Detailed questioning used to determine facts
When using fire pattern indicators to trace the fire's progression, the investigator should: a. Take a polaroid photo of each indicator located b. Plot the location of each indicator using GPS data recorder c. Mark the indicator's location on a large-scale topographical map d. Place a color-coded flag or other visible marker next to the indicator
d. Place a color-coded flag or other visible marker next to the indicator
What supplies a lot of force to the front wheels with little effort on your part? a. Air breaks b. Power brakes c. Transmission d. Power steering
d. Power steering
The parts of the scientific method (process) are: a. Respond to the scene, at scene, determine the origin, search the origin, determine a cause, document the investigation b. Recognize the need, define problem, collect data, develop hypotheses, test the hypotheses, select a final hypotheses c. Recognize the need, define the problem, question witnesses, determine the origin, determine the cause, assign responsibility d. Recognize the need, define the problem, collect data, analyze the data, develop hypotheses, test the hypotheses, select a final hypotheses
d. Recognize the need, define the problem, collect data, analyze the data, develop hypotheses, test the hypotheses, select a final hypotheses
A magnet can be used in the origin search to: a. Set the magnetic declination on you compass to ensure accuracy of your fire scene diagram b. Recover catalytic converter exhaust particles c. Recover diesel engine exhaust particles d. Recover ferrous ignition sources
d. Recover ferrous ignition sources
When you encounter water, what should you do before crossing though it? a. Look at it from the cab and then drive through b. Look to make sure there is not significant current associated with it c. Just drive through it d. Stop, get out, and check the depth
d. Stop, get out, and check the depth
The term ""fire pattern indicator" refers to: a. A burned area of a fire b. The location of the fire's point of origin c. An indicator that a fire occurred d. The physical marks left on objects that can be used to trace fire progression
d. The physical marks left on objects that can be used to trace fire progression
Spinning wheels have less ____________ than the would if they were not spinning. a. Torque b. Horsepower c. Gas d. Traction
d. Traction
Foliage freeze is typically a valid indicator of: a. Backing fire b. Fire direction at the precise location c. Advancing fire d. Wind direction at that precise location
d. Wind direction at that precise location
When climbing a hill, you should keep your RPM's at the ______________ range for constant power and control. a. 1000-1250 b. 1300-1500 с. 1500-1700 d. 1700-2100
с. 1500-1700
Per CAL FIRE policy 4313.2, the maximum allowable climb is ___________ percent. а. 25 b. 30 с. 40 d. 50
с. 40
