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