For the most part, can pre-conditions be a factor in crashes? - CORRECT ANSWER✅✅No
Six Classifications of Damage - CORRECT ANSWER✅✅Preceding by not contributing, preceding and
contributing, during collision, after collision before final rest, after collision and final rest, during
removal.
Preceding but not contributing damage - CORRECT ANSWER✅✅defect is present before the crash but
did not contribute to it
Preceding and contributing damage - CORRECT ANSWER✅✅Defect is present and contributed to the
crash.
During the collision damage - CORRECT ANSWER✅✅Occurring during the collision
should be accurately recorded and investigated, document and photograph
*vast majority of crashes
After collision, before final rest damage - CORRECT ANSWER✅✅Help determine path of vehicle, angle
of departure.
Ex. Tire was broken but didn't come off vehicle until it came to rest.
After collision and final rest damage - CORRECT ANSWER✅✅Rescue operations
Ex. When fire department takes doors off, make sure to document who did what.
During removal damage - CORRECT ANSWER✅✅When removing vehicle from scene
Ex. wrecker
Common Defects in Crashes - CORRECT ANSWER✅✅Tires, brakes, drivers vision
,Tires (common defect in crashes) - CORRECT ANSWER✅✅Most often blamed
ex. blow outs, slick tires/wet or dry pavement.
Brakes (common defect in crashes) - CORRECT ANSWER✅✅Seldom a direct cause
Worn brakes, defective brakes, hydraulic failure
Driver Vision (common defect in crashes) - CORRECT ANSWER✅✅Cracked windshield, foreign material,
wiper condition, water droplets, frost or snow
Animal Involved Crashes - CORRECT ANSWER✅✅Make sure there is evidence an animal was struck
3 things to get during a detailed exam of a severe crash - CORRECT ANSWER✅✅Description,
measurements, and photographs of damage area
Most important detail for crash reconstruction - CORRECT ANSWER✅✅Final position
Elements of a vehicle examination on scene - CORRECT ANSWER✅✅Final position, general survey of
damage, lamps, contents of vehicle, scattered debris
Contact Damage - CORRECT ANSWER✅✅Damage resulting from direct contact of another object or
surface in an impact
ex. thrust, collapse, overlap
Types of contact damage - CORRECT ANSWER✅✅Internal damage, spider web, on metal (scratches,
paint transfer, crumpling)
T or F: Contact damage is a good predictor of actual speed - CORRECT ANSWER✅✅False
Induced Damage - CORRECT ANSWER✅✅Damage to the vehicle cause by some other part of the same
vehicle or by the shock of the collision
, Ex. metal folds, creases, wrinkles, class shatters
Road Contact during a follow up exam - CORRECT ANSWER✅✅Match gauges, grooves and scratches to
vehicle, grass pinched between rim and tire, allows you to track vehicle path
Speedometer Readings during follow up exam - CORRECT ANSWER✅✅Sometimes can show speed at
impact, can give false indicators, can be jammed by an outside source, electronic, air bag control module
Event Data Recorders - CORRECT ANSWER✅✅Like a black box (dont refer to it as such), part of the
airbag system, requires bosch crash date retrieval system for access
Types of vehicle evidence - CORRECT ANSWER✅✅Blood, hair, fingerprints, fabric impressions, material
transfer, interior damage, alcohol involvement
T or F: Fatalities should be treated as homicides until proven otherwise - CORRECT ANSWER✅✅True
Physical evidence on a roadway should be documented by: - CORRECT ANSWER✅✅Taking
measurements (manually, electronically), photographs, crash scene sketches, notes
Final positions of vehicles and bodies - CORRECT ANSWER✅✅Controlled or uncontrolled
3 types of tire marks - CORRECT ANSWER✅✅Skid marks, scuff marks and prints
2 types of metal scars - CORRECT ANSWER✅✅Gouges and surface marks
Uncontrolled final positioning of vehicles and bodies - CORRECT ANSWER✅✅Positions reached
unintentionally after collision, no control or input from the driver, forces of the crash did it
Controlled final positioning of vehicles and bodies - CORRECT ANSWER✅✅Positions reached
intentionally after collision