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Test
| Question | Answer |
|---|---|
| Why do we investigate crashes? | Engineering, education, enforcement, evaluation |
| Explain importance of engineering component? | You need physical and mechanical components to determine if you need roadway changes |
| Explain the difference between issuing a citation and determining fault ? | We never determine fault it goes to insurance companies. |
| 3 elements of highway transportation system? | Human, roadway, vehicle |
| True or False: a train is considered a motor vehicle? | False |
| When is a motor vehicle considered to be in transport? | When on a roadway and in motion |
| 3 phases of every collision ? | Pre crash, crash, post crash |
| True or false… roadway is the portion to the highway to improve, designed used for travel ? | True |
| A bicycle runs into a legally parked 2010 car. Cyclists suffers 2200 dollars in damages. In this a reported crash? | No |
| Explain importance of the education component? | Public information, and education… example DUI project |
| What is traffic? | All pedestrians, ridden or herded animals either singly or together while using highway |
| What is traffic way | Any land way open to the public |
| What is roadway? | That portion of the highway improved , designed used for travel. |
| What is shoulder? | Part of the highway contiguous with the roadway that accommodates stopped vehicles. |
| What is road? | Part of the traffic way which includes roadway and shoulder . |
| What is construction area ? | Any land area under current construction. |
| What is motor vehicle? | Vehicles propelled by any power other than muscle |
| What is motor vehicle crash? | Vehicle considered “in transport” |
| Chain reaction crash? | Motor vehicle collision involving several vehicles. |
| Injury? | Bodily harm to a person. |
| Fatality | Any death |
| Explain point of possible perception | Point which someone could have perceived a hazard. |
| Explain point of no escape? | Time and place where a person can not avoid an collision |
| Explain point of actual perception | Point where person sees, hears or perceives that a collision is about to occur . |
| Explain point of initial engagement. | Point where there is first contact during collision . |
| True or false it is possible for point of no escape to come prior to point of actual perception? | True |
| Generally, how long does a crash instigator all for drivers PRT? | 1.5 seconds or more |
| Examples of evasive action to avoid hazards? | Braking , swerving, honking |
| 6 of the steps of the anatomy of the crash? | Pre crash, point of possible perception, point of actual perception, point of no escape,key event , initial engagement. |
| What are the other 6 steps? | Maximum engagement, disengagement, secondary collision, point of rest, reaction time , evasive time . |
| What are the 4 Es | Engineering, education, enforcement , evaluation |
| 4 critical components to see and drive? | To see, to see side to side, to see color, to judge speed. |
| What is the vision acuity requirement to obtain a license? | 20/40 |
| What percentage of our sensory input is visual? | 90 |
| Describe visibility and decernability | Visibility is seeing something, decent is knowing what it is |
| Examples of glare? | Sun, backlight |
| True or false , color blindness will disqualify a person obtaining a license? | False |
| 4 human deficiencies that affect the ability to operate a vehicle? | Vision, hearing, knowledge, skill, |
| Which should we not consider when investigating a crash? | Gender |
| Once a license recall form is filled out , who do you give it to? | Chief of police executive assistant |
| True or false, sight or view obstruction are commonly encountered? | True |
| 4 common roadway definciencies that may contribute a crash? | View, roadway contour , surface conditions, visibility |
| True or false, when examining a skid mark, you should be able to see a visible tread pattern? | False |
| How are skid marks made? | Squeegee, pavement grinding , tire grinding , smear. |
| How are ABS skids different from skip? | Abs are lighter , other will be darker. |
| Difference between skip and gap skid marks? | Skid is less than 10 feet, gap is greater than 10 feet |
| Different between skid and scuff marks? | Skid is locked, scuff is rolling |
| 5 specific vehicle parts that contribute to a crash? | Brakes, steering, suspension, wheels, tires, lighting , windows |
| What is contact damage? | Damage caused by direct contact |
| What is induced damage? | Transmission of force through the vehicle |
| What is rub off damage ? | Contact of a minor degree |
| When talking about force the body is what to the mass of the body? | Acceleration and inversely |
| What are speed and velocity expressed in? | MPH, and feet per second. |
| What is the synonym of deceleration? | Drag factor of coefficient of friction |
| True or false? | Sum of momentum possessed by two objects before a collision in the same of the sum of momentum after ? True |
| Weight of a body is actually a force acting on the body on what? | Gravity |
| What are the 3 forces that act on a object? | Pitch, roll, yaw |
| What happens during braking that makes front tire skid marks different than rear tire marks? | Weight shift |
| Scientific principle that holds the sum of total energy in the universe ? | Conservation of energy |
| 3 newtons law of motion | Body at rest remains at rest Outside force acting on a body causes an acceleration For every action is a equal reaction |
Created by:
Corydavis09!