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VEHICLE OPERATIONS

Terms in this set (74)

When performing an exterior vehicle inspection, what are one of the things you should look for?
Missing or broken light covers that can present a hazard to the other drivers and may be a traffic violation
What should you check when performing an inspection under the hood?
Hoses, belts, wires, and fluids
What is one way you can avoid a head-on collision?
Drive off the road
If you find a foreign, embedded object in your tire, what should you not do?
Do not pull it out (instead have maintenance do it)
What do improper alignment, over inflation, and under inflation lead to?
Uneven wear on the tires
Where is the proper psi (pounds per square inch) found on a car?
The doorjamb
A person who is in a stationary vehicle who can see about 180 from side to side has a good?
Peripheral visions
When inspecting rims and tires, what is one thing you should look for?
Damage to the bead
If the road and weather conditions are poor, how far away should you stay from the vehicle in front of you?
4 seconds
What is the ability to judge distance and perceive space to determine how far away an object is?
Depth perception
Which sense supplies about 90-95% of incoming data to the driver?
Vision
What is a 90 turn that remains the same throughout, getting neither wider nor smaller called?
Constant radius
What is the center point of a curve?
The apex
What causes the rear wheels to follow a tighter path than the path the front wheels traveled in a turn?
Wheel tracking
What is a turn called that gets wider during a turn much like a circle getting larger?
Increasing radius
What are the proper hand positions when steering?
Right hand in the 4 o'clock position and left hand in the 8 o'clock position
What is the tendency for a vehicle traveling forward to straighten from a turn when the driver releases the steering wheel?
The caster effect
What happens just before the tires lose traction during braking?
Insipient skid
What should you do to recover from a slide?
Counter steering
During counter steering, which direction should the wheel be turned?
In the direction you want to go to retain the traction
When backing, where should the right arm be placed?
On the top of the upper portion of the passenger seat
Does driving in reverse require less or more steering input than driving forward?
Less steering input to produce larger change in direction
The majority of law enforcement vehicles crashes are a result of what?
Backing into a fixed object
What is the main factor that may influence driving performance at night?
Overdriving of vehicle headlights
What are effects such as tunnel vision, selective hearing, increased heart rate, time distortion, and loss of partial awareness considered?
Physiological effects
What is it called when police vehicle to applies force to either the rear right or left side of the violator's vehicle to end the pursuit?
Pursuit Immobilization Technique (PIT) this is a pursuit termination technique
Which court case stated that any police decision to start or continue a pursuit is subject to court review under the doctrine of negligence?
City of Pinellas Park V Brown
If you find a foreign object under the vehicle which could potentially cause harm, what should you do?
Back away and contact the appropriate personnel
What should you check the back seat for?
Possible weapons and contraband
How do you correct oversteering?
Remove the foot from accelerator
What is the cause of oversteering?
Excessive break during a turn or curve
How do you correct understeering?
Remove foot from accelerator
What does weight transfer when a vehicle accelerates or decelerates affect?
Handling
When the brakes are applied, where does the transfer (force) go?
In the direction the vehicle is traveling
What is it called when the tires constantly rotate on the road surface without losing contact?
Rolling friction
How are Anti-Lock braking system (ABS) and non-ABS systems are similar?
Both apply gradual breaking pressure
What happens just before the tires lose traction during breaking?
Insipient skid
What is the best turning or cornering method?
Late apex
Which technique is when the vehicle is steered so it passes closes to the inside of the curve after reaching the apex?
late apex
What is the force that is necessary to keep a vehicle moving in a curve path and is directed inward?
Centripetal force
What is the force enacted on a vehicle moving in a curved path that acts outwardly?
Centrifugal force
If two or more tires leave a paves surface to an unpaved one, what should you do?
Reduce speed, and steer smoothly back onto the road
When you cannot avoid striking or driving over an obstacle, what should you do?
Strike it at a slight angle with free rolling tires
What is the sharpness of vision referred to as?
Acuity
What is one countermeasure that you can follow to prevent accidents?
Assume other drivers will make errors
What are some adjustments that can be made to make an officer more alert?
Eat smaller meals and get enough sleep
The two-second rule establishes a _________ safe following distance.
Minimun
Which court case established the balancing test (balancing the need to stop a suspect with potential threats to other people)?
County of Sacramento V Lewis
When engaging in a pursuit, what should you do first?
Notify dispatch
What kind of stress may cause you to exceed your abilities by wanting to catch a violator at any cost?
Psychological stress
At night, does your peripheral vision decrease or increase?
Decrease
What are oncoming lights from outside sources that can temporarily blind a driver?
Glare
So, the three common traits for tire deflation devices are:
a. Hollow spikes that puncture and deflate
b. Track or mat base
Some form of deployment
What is the use of vehicles, barricades, cones, or other objects to block traffic flow partially or completely?
Roadblock
Before performing a PIT maneuver, what should you be sure to check?
You are properly trained and you agency policies allow it
If a front tire fails, which direction will the vehicle go?
It will pull in the direction of the affected tire (Left tire will go left)
If a rear tire fails, which direction will the vehicle go?
To an unpredictable direction
How do you store long guns in a trunk?
Across the width of the trunk (side to side)
What is the minimum distance an emergency vehicle's siren, whistle, or bell should be able to be heard?
500 feet
Which court case addressed the issue of deadly force in a police pursuit?
Brower V County of Inyo
What is the single greatest threat to an officer's safe vehicle operation?
Intersections
What are the four 6-inch squares that vehicles rest on called?
Tire contact patch
What does Newton's Law state?
Every object continues in a state of rest or uniform motion in a straight line unless physical forces compel it to change that state
What is the transfer of a vehicle's weight causing an end-for-end motion resulting in the vehicle turning 180º on a horizontal plan?
Yaw
What is the tendency of a vehicle to steer into a sharper turn than the driver intends, sometimes with a loss of traction of the rear to the outside?
Oversteering
When should you use shuffle steering?
Only when driving forward; not in reverse
What is looking in the desired direction of travel to avoid an obstacle and to avoid steering in the direction of the obstacle?
Eye targeting
When backing up, where should your left hand be placed?
The 12 o'clock position on the steering wheel
Which court case dealt with using a roadblock by parking an 18-wheeler to block a curve?
Brower v. County of Inyo
What will large or quick steering movement cause when backing up?
Uncontrolled oscillation
Which court case are Florida officer's actions bound by?
Pinellas Park v. Brown
What are the three types of vehicle motion?
Roll, yaw, pitch
Are police vehicles more or less stable than traditional vehicles?
Less
What is one of the reasons the steering hand positions are at 4 and 8?
Reduces injury if the air bag deploys
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