Drivers ed (Module 8)
a film of water builds up between the road surface and the vehicles tires
Hydroplanning occurs when
- reduce speed - look to the right - glance briefly ahead
If a driver is blinded by the lights of an oncoming vehicle, he/she should
these surfaces freeze before other road surfaces
Bridges and overpasses can be even more hazardous during cold weather because
high winds
Buffeting results from
- can reduce visibility to ½ mile or less - strike with little warning - often damage oil and air filters
Dust or sand storms
reduce hazard of guardrail ends
Extruder terminals
true
In vehicles without ABS, a quick jab of the brakes may help control front wheel traction loss.
true
Kitty litter can help the tires gain traction on slick surfaces.
reduce headline collisions
Median barriers
used to warn drivers of dangers ahead
Message signs
1/2
Nearly ____ of all flash flood fatalities are vehicle related.
hydroplanning
- is caused by a buildup of water between the tires and road surface - results in loss of steering - results in loss of braking
- the roadbed may be washed away - your vehicle may stall
A danger of driving through deep water is
true
A driver can lose control of a vehicle in 6 inches of water.
motion based sensory imput
A driver's first indication of traction loss comes from
motion based sensory input
A driver's first indication of traction loss comes from
true
A good technique to minimize understeer is to slow down before entering a curve or turn.
when the rain first begins
A wet roadway is most slippery
allows driver to steer while braking
ABS
90
Approximately ____ % of our driving clues depend on vision.
true
As more streets and parking lots are built, flooding problems will increase.
true
Before starting a vehicle in snow, check to be sure the exhaust system is clear.
make impact with signs less forceful
Breakaway posts
true
Bridges freeze before road surfaces.
liquid or sand filled drum
Crash attenuators
true
Dirty headlights can reduce visibility up to 90%.
activates when vehicle is not going in the direction it is being steered
ESP
look and steer in the direction you want to go
If you begin to slide on a slick surface,
you should not drive at night
If you suffer from night blindness
low beam lights
In fog, you should use
the driver should brake
In rear wheel loss of traction,
- look where he/she wants the vehicle to go - steer in the intended path of travel
In skid control, it is critical that the driver
alert inattentive drivers
Rumble strips
true
North Carolina law requires the use of headlights whenever the windshield wipers are in use.
clean your windshield
One method for reducing glare at night is
you cannot stop in the distance illuminated by your headlights
Overdriving your headlights means
false
Oversteering results in a front wheel skid.
False
Removing the radiator cap is advisable as it will help release steam and cool an overheated engine quicker.
true
Slight acceleration is helpful in an oversteer situation.
to the rear
Sudden acceleration causes vehicle weight transfer
weight transfer to left
Suddenly steering to the right will result in
weight transfer to the left
Suddenly steering to the right will result in
adjusts vehicle balance
Suspension Control
50/50
The recommended antifreeze/water mixture is
false
The use of cruise control can help control a vehicle in snow.
true
The use of the air conditioner will help defog interior windows.
true
Tire pressure increases as the tires get hot.
brake gently using your left foot while accelerating with your right foot
To dry wet brakes, you should
activates brake sensors, which don't allow the wheels to spin
Traction Control
45
When driving at night with low beam headlights, the maximum safe speed is
true
Two feet of water will carry away most vehicles.
- loss of rear traction - loss of front traction - quick acceleration
Understeer results from
loss of front traction
Understeer results from
false
Understeering results from too little steering by the driver.
accelerate
When driving into a headwind, you may need to
false
When driving through water, stay close to the shoulder
- surface materials - surface conditions - weather conditions
Which of the following will affect traction?