BRC 104 - Traffic Crash Investigations Part 2 (428-448)
This quiz covers all material from page 428 (POINT OF OCCURENCE/TAKING MEASUREMENTS) to page 448 (RETURNING THE SCENE TO NORMAL. It is 30 questions. 80% is a passing score. Good luck!
Questions and Answers
- 1.
There are 3 types of evidence at a crash site. Which of the answer choices correctly names all of them?
- A.
Skid mark, squeege mark, scuff mark
- B.
Debris, skid marks, trace evidence
- C.
Temporary, short-lived, permanent
- D.
Natural, artificial, excavated.
Correct Answer
C. Temporary, short-lived, permanentExplanation
The correct answer correctly names all three types of evidence at a crash site: temporary, short-lived, and permanent. Temporary evidence refers to evidence that is present immediately after the crash but may disappear or change over time. Short-lived evidence refers to evidence that remains for a relatively short period of time before disappearing. Permanent evidence refers to evidence that remains at the crash site for a long time or indefinitely.Rate this question:
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- 2.
The AOC is known as...
- A.
Area of Circumference
- B.
Area of Collision
- C.
Area of Crime Scene
- D.
Area of Correction
Correct Answer
B. Area of CollisionExplanation
The correct answer is "Area of Collision" because AOC is an acronym that stands for "Area of Collision". This term is commonly used in accident reconstruction to refer to the specific area where two or more vehicles or objects collide during an accident. It is important to accurately determine and analyze the AOC in order to understand the dynamics of the collision and gather evidence for investigation purposes.Rate this question:
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- 3.
____ is damage to a vehicle resulting rom the direct pressure of any object in a collision or rollover.
- A.
Contact damage
- B.
Pressure damage
- C.
Damage
- D.
Crash damage
Correct Answer
A. Contact damageExplanation
Contact damage refers to the damage caused to a vehicle due to the direct pressure of any object during a collision or rollover. This type of damage occurs when there is physical contact between the vehicle and another object, resulting in dents, scratches, or other visible signs of impact. It is important to distinguish contact damage from other types of damage, such as mechanical or electrical damage, which may not be directly related to physical contact with another object.Rate this question:
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- 4.
A vehicle is involved in a head-on collision. Upon impact, the frame of the vehicle buckles in the center. The buckling frame is an example of_____
- A.
Pressure damage
- B.
Contact damage
- C.
Induced damage
- D.
Pre-existing damage
Correct Answer
C. Induced damageExplanation
The buckling frame of the vehicle is an example of induced damage. This means that the collision caused the frame to buckle, indicating that the damage was a result of the impact.Rate this question:
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- 5.
A _____ is a cut into the surface of the roadway where the road surface material has been removed by a metal part from the vehicle
- A.
Gouge
- B.
Scrape
- C.
Runoff
- D.
Debris
Correct Answer
A. GougeExplanation
A gouge is a cut into the surface of the roadway where the road surface material has been removed by a metal part from the vehicle.Rate this question:
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- 6.
A ____ is a broad area of a hard surface covered with many scratches, striations, or streak marks made without great pressure by a sliding metal part.
- A.
Gouge
- B.
Scrape
- C.
Cut
- D.
Debris
Correct Answer
B. ScrapeExplanation
A scrape is a broad area of a hard surface covered with many scratches, striations, or streak marks made without great pressure by a sliding metal part.Rate this question:
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- 7.
During an accident, a vehicle's oil pan breaks and begins to leak. The oil leak that results from the breaking of the oil pan is called a......
- A.
Flow
- B.
Debris stripe
- C.
Totaling damage result
- D.
Runoff
Correct Answer
D. RunoffExplanation
When a vehicle's oil pan breaks during an accident, it causes the oil to leak out. This leaking oil is referred to as "runoff." Runoff is a term commonly used to describe the flow of liquid, in this case, oil, that occurs as a result of a breakage or leakage. It is the appropriate term to describe the oil leak that happens when the oil pan breaks during an accident.Rate this question:
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- 8.
____ is loose material strewn about the road as the result of a traffic collision.
- A.
Debris
- B.
Carnage
- C.
Runoff
- D.
Vehicle spatter
Correct Answer
A. DebrisExplanation
Debris refers to loose material that is scattered on the road after a traffic collision. It can include broken glass, metal parts, or other fragments from the vehicles involved in the accident. The term "carnage" refers to a scene of widespread destruction and bloodshed, which may not necessarily be applicable to the aftermath of a traffic collision. "Runoff" typically refers to water or other liquids that flow off the road, and "vehicle spatter" is not a commonly used term to describe material resulting from a collision. Therefore, "debris" is the most appropriate answer.Rate this question:
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- 9.
Pieces of glass that have been on the roadway for a long time tend to be....
- A.
Dissolved into particles of sand
- B.
Jagged in shape
- C.
Rounded in shape
- D.
Rectangular in shape
Correct Answer
C. Rounded in shapeExplanation
When glass pieces are on the roadway for a long time, they are exposed to various weather conditions and abrasive forces. Over time, these factors cause the glass to undergo weathering and erosion. As a result, the sharp edges and corners of the glass become worn down and rounded, giving them a smoother and more rounded shape. Therefore, glass pieces that have been on the roadway for a long time tend to be rounded in shape.Rate this question:
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- 10.
The movement of vehicles during and after a collision is known as.....
- A.
Vehicle dynamics
- B.
Photonomics
- C.
Ergonomics
- D.
Vehicle optronics
Correct Answer
A. Vehicle dynamicsExplanation
Vehicle dynamics refers to the study of the movement of vehicles, including their acceleration, braking, and handling characteristics, during and after a collision. It involves understanding the forces and motions involved in the collision and how they affect the behavior of the vehicle. This knowledge is important for accident reconstruction, vehicle design, and improving safety measures. Photonomics, ergonomics, and vehicle optronics are not directly related to the movement of vehicles during and after a collision.Rate this question:
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- 11.
____ is a black mark left by a tire that is sliding and not free to rotate. They tend to be straight, but can be asymmetrical due to uneven braking pressure.
- A.
Skid marks
- B.
Squeege marks
- C.
Vehicle marks
- D.
Braking marks
Correct Answer
A. Skid marksExplanation
Skid marks are black marks left by a tire when it is sliding and unable to rotate freely. These marks are typically straight, but can also be asymmetrical if there is uneven braking pressure.Rate this question:
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- 12.
Marks that are made during hard acceleration are....
- A.
Light to dark
- B.
Dark to light
- C.
A constant color
- D.
Have no distinct marking
Correct Answer
B. Dark to lightExplanation
During hard acceleration, marks on a surface typically transition from dark to light. This is because hard acceleration causes the tires to grip the surface tightly, resulting in increased friction and pressure. As a result, the tires leave darker marks initially due to the rubber being pressed harder against the surface. However, as the acceleration continues, the tires start to spin and lose traction, causing the marks to become lighter. Therefore, the transition from dark to light marks is a common occurrence during hard acceleration.Rate this question:
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- 13.
Skid marks that are caused by braking are.....
- A.
Light to dark
- B.
Dark to light
- C.
A constant color
- D.
Have no distinct marking
Correct Answer
A. Light to darkExplanation
Skid marks that are caused by braking are light to dark. When a vehicle brakes suddenly, the tires lose traction with the road surface, causing them to slide. Initially, the skid marks appear light in color as the tires start to slide. As the braking force increases and the tires continue to slide, the skid marks become darker due to the increased friction and heat generated. Therefore, the skid marks progress from light to dark as the braking action intensifies.Rate this question:
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- 14.
Some skid marks have long distances between them. These are known as....
- A.
Squeege marks
- B.
Intermittent skid marks
- C.
Skip skid marks
- D.
Yaw marks
Correct Answer
B. Intermittent skid marksExplanation
Intermittent skid marks refer to skid marks that have long distances between them. This means that the vehicle's tires were not continuously skidding, but rather skidding at certain intervals. This could be due to various factors such as the driver intermittently applying the brakes or releasing them, or the road conditions causing the tires to lose traction intermittently.Rate this question:
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- 15.
ABS scuff marks are visible......
- A.
Up to 5 minutes after the crash
- B.
Up to 10 minutes after the crash
- C.
Up to 20 minutes after the crash
- D.
Up to 30 minutes after the crash
Correct Answer
C. Up to 20 minutes after the crashExplanation
The correct answer is "Up to 20 minutes after the crash." ABS scuff marks are visible on the road surface for a certain period of time after a crash. These scuff marks are caused by the tires locking up and skidding on the road. The marks gradually fade away as time passes. Therefore, it is reasonable to expect that the ABS scuff marks would be visible for up to 20 minutes after the crash.Rate this question:
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- 16.
Braking hard on a loosely packed dirt road will leave this type of mark.
- A.
Trench mark
- B.
Incipient skid mark
- C.
Scuff mark
- D.
Furrow mark
Correct Answer
D. Furrow markExplanation
A furrow mark is a type of mark left when braking hard on a loosely packed dirt road. This mark is characterized by a deep and narrow groove or furrow in the ground, caused by the tires digging into the loose dirt as the vehicle comes to a sudden stop.Rate this question:
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- 17.
The _____ is defined as where the first injury element or driving action which describes the main or primary cause of the crash.
- A.
Crash factor
- B.
Collision factor
- C.
Primary collision factor
- D.
Incipient factor
Correct Answer
C. Primary collision factorExplanation
The primary collision factor is the first injury element or driving action that describes the main or primary cause of the crash. It refers to the factor that directly leads to the collision or crash occurring.Rate this question:
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- 18.
The mark left by the most effective braking of the wheel is known as....
- A.
A furrow mark
- B.
An incipient skid mark
- C.
A skid mark
- D.
A transitory skid mark
Correct Answer
B. An incipient skid markExplanation
An incipient skid mark is the mark left by the most effective braking of the wheel. It indicates that the wheel was on the verge of skidding but did not fully skid. This mark is a result of the tire's grip being at the limit, causing the tire to slightly slide or slip without fully losing traction. It is considered the most effective type of braking mark because it shows that the driver was able to apply maximum braking force without completely losing control of the vehicle.Rate this question:
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- 19.
____ is defined as the slowest speed the vehicle could have been traveling to leave the skid marks on the roadway surface
- A.
Minimum speed
- B.
Minimum velocity
- C.
Maximum speed
- D.
Maximum velocity
Correct Answer
A. Minimum speedExplanation
The term "minimum speed" refers to the slowest possible speed at which a vehicle could have been traveling in order to leave skid marks on the roadway surface. It indicates the lowest speed threshold that could have caused the skid marks to be created.Rate this question:
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- 20.
____ is the friction between a vehicle tire and the road surface.
- A.
Drag mark
- B.
Skid mark
- C.
Drag factor
- D.
Coefficient of spin
Correct Answer
C. Drag factorExplanation
The drag factor refers to the friction between a vehicle tire and the road surface. It is a measure of the resistance that the road surface provides to the movement of the vehicle. A higher drag factor indicates a higher level of friction, which can affect the vehicle's ability to accelerate, decelerate, or maintain control on the road.Rate this question:
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- 21.
Another name for incipient or impending skid is.....
- A.
Runoff
- B.
Spin down
- C.
Mechanical delay
- D.
Coefficient of friction
Correct Answer
B. Spin downExplanation
An impending skid refers to a situation where a vehicle is at the edge of losing traction and sliding. "Spin down" can be used as another term to describe this condition. It implies that the vehicle is about to spin or rotate due to the loss of traction, indicating an impending skid. The term accurately captures the idea of a vehicle slowing down and spinning out of control, highlighting the imminent skid.Rate this question:
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- 22.
When you press on the brake pedal, the time it takes from that depression to the point where the braking wheels begin to slow is known as....
- A.
Spin down
- B.
Drag factor
- C.
Minimum speed
- D.
Mechanical delay
Correct Answer
D. Mechanical delayExplanation
When you press on the brake pedal, there is a slight delay before the braking wheels actually start to slow down. This delay is known as the mechanical delay. It refers to the time it takes for the brake system to engage and for the braking force to be transmitted to the wheels. During this delay, various mechanical components such as brake pads, calipers, and hydraulic systems need to respond and generate the necessary force to slow down the wheels. Once this delay is over, the wheels will start to slow down and the braking action will take effect.Rate this question:
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- 23.
There are 2 types of forms involved in a traffic crash investigation. They are the...
- A.
Criminal and Non-criminal forms
- B.
Short and Long forms
- C.
Arrest and No arrest forms
- D.
Misdemeanor and Felony forms
Correct Answer
B. Short and Long formsExplanation
The correct answer is short and long forms. In traffic crash investigations, there are two types of forms used: short forms and long forms. Short forms are typically used for minor accidents that do not involve serious injuries or extensive damage. They provide a concise summary of the incident, including basic information such as the date, time, and location of the crash. Long forms, on the other hand, are used for more complex accidents that involve serious injuries or fatalities. They require more detailed information, including witness statements, diagrams, and a thorough analysis of the crash scene.Rate this question:
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- 24.
When driver's choose to exchange information ONLY, the form required is a.....
- A.
Traffic collision incident form
- B.
Short form
- C.
Long form
- D.
No arrest form
Correct Answer
B. Short formExplanation
When drivers choose to exchange information only, they are referring to a situation where there is no need for a detailed report or investigation. In such cases, a short form is used to document the basic information related to the incident, such as the names and contact details of the drivers involved, insurance information, and a brief description of the collision. This form is simpler and quicker to fill out compared to a long form or a traffic collision incident form, which are used for more complex or serious accidents. The short form helps streamline the process and ensures that the necessary information is recorded efficiently.Rate this question:
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- 25.
There are 3 different uses for the Short Form. Which of the following is missing?1. Florida Traffic Crash Report2. Driver Exchange of Information3. ____________
- A.
Florida Uniform Traffic Crash Citation
- B.
Driver Report of Traffic Crash form
- C.
Reckless driving citation
- D.
Supplemental Traffic Crash Addendum form
Correct Answer
B. Driver Report of Traffic Crash formExplanation
The missing use for the Short Form is the "Driver Report of Traffic Crash form." This form is used by drivers to report a traffic crash they were involved in.Rate this question:
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- 26.
The final step in documenting the traffic crash investigation is the _________.
- A.
Arresting the violator
- B.
Exchanging of information
- C.
Completing the diagram of the crash
- D.
Taking of pictures relating to the crash
Correct Answer
C. Completing the diagram of the crashExplanation
The final step in documenting the traffic crash investigation is completing the diagram of the crash. This is important because the diagram provides a visual representation of the accident scene, showing the position of vehicles, skid marks, and other relevant details. It helps investigators analyze the sequence of events and determine the cause of the crash. Additionally, the diagram can be used as evidence in court proceedings or insurance claims. Therefore, completing the diagram is crucial in accurately documenting and understanding the crash.Rate this question:
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- 27.
The final step of crash management is to.....
- A.
Arrest the violator
- B.
Take the traffic crash report to your agency
- C.
Fax all papers to FDLE and NHTSA for documentation
- D.
Clear the scene
Correct Answer
D. Clear the sceneExplanation
The final step of crash management is to clear the scene. This involves removing any vehicles, debris, or hazards from the area to ensure the safety of motorists and restore normal traffic flow. Clearing the scene allows emergency responders to leave and minimizes the risk of secondary accidents or injuries. It also enables authorities to conduct investigations and gather evidence if necessary. By clearing the scene promptly and efficiently, the road can be reopened and normalcy can be restored.Rate this question:
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- 28.
There are 3 types of traffic violations found at traffic crashes. Which choice below lists all of them?
- A.
Moving, Nonmoving, Criminal
- B.
Criminal, Misdemeanor, Felony
- C.
Noncriminal, Misdemeanor, Felony
- D.
Contributing, Non-contributing, Non-traffic
Correct Answer
D. Contributing, Non-contributing, Non-trafficExplanation
The correct answer is "Contributing, Non-contributing, Non-traffic". This answer accurately lists all three types of traffic violations found at traffic crashes. "Contributing" violations refer to actions that directly contributed to the occurrence of the crash, such as running a red light. "Non-contributing" violations are actions that did not directly cause the crash but may have contributed to its severity, such as not wearing a seatbelt. "Non-traffic" violations are offenses that are unrelated to the operation of a motor vehicle, such as possession of illegal substances.Rate this question:
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- 29.
If a vehicle runs a red light, and in the process, crashes into another vehicle, the citation issued would fall into the category of....
- A.
Contributing traffic violation
- B.
Non-contributing traffic violation
- C.
Non-traffic violation
- D.
Culpable traffic violation
Correct Answer
A. Contributing traffic violationExplanation
If a vehicle runs a red light and crashes into another vehicle, the citation issued would fall into the category of a contributing traffic violation. This is because running a red light is a clear violation of traffic laws and directly contributes to the accident. The driver's actions are considered to be a contributing factor in causing the collision.Rate this question:
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