What is hydroplaning?
It's like waterskiing. The tires lose contact with the road and you are driving on water with no traction
How long does it take a typical tractor trailer unit to clear a double track?
More than 15 seconds to clear a double track.
What is the proper technique for braking when driving a vehicle with antilock brakes
Brake as normal.
Use only the braking force necessary to stop safely and stay in control.
What should you do before you drive if you are drowsy?
Get adequate sleep
Drive with a passenger
Schedule your trip for a time when you'll have more sleep
How many red reflective triangles must you carry in your vehicle?
3
Why is it important to have a helper when backing?
A helper can see what's in your blind spots and can give you directions
Can common cold medicines make you sleepy?
Yes.
Why should you back toward the driver's side?
You can see better in that direction, there are fewer blind spots
Name 3 causes of vehicle fires
After accidents
Tires
Electrical system
Fuel
Cargo
What are some things to do at an accident scene to prevent another accident?
protect the area
notify authorities
care for the injured
What factors determine a "safe" speed when traveling down a long, steep downgrade?
Use a low gear and proper braking
Name 2 suspension system defects
broken leaf springs
broken axle
What does communicating mean in safe driving
Warning other drivers of what you intend to do, using your blinkers and the horn when needed
How do you know if your vehicle has antilock brakes
yellow indicator light on the panel
trailers have a yellow ABS malfunction lamps on the left side on either the front or rear
light comes on at start and goes out unless there is a problem
What are two special conditions when you should downshift?
before starting downhill
before entering a curve
What type of vehicles get stuck on a railroad or highway crossing?
Box truck, Moving truck, car haulers, lowboy, animal haulers, low trucks
If you swing wide to the left before turning right, another driver may attempt to pass you on the right. True or False
True
What is the most important reason for doing a vehicle inspection?
Safety for yourself and others. Repairing anything that is defective.
What is the minimum tread depth for front tires
4/32 of an inch
Should you decrease your following distance if someone is tailgating you?
No.
Where do you place reflectors on a 2 way or Undivided Highway?
Front: 100 feet
Rear: 10 and 100 feet
When confronted by an aggressive driver, you should...
Make every attempt to get out of the way
Do not make eye contact
Do not return gestures
What three kinds of emergency equipment must you have in your vehicle?
Fire extinguisher
Reflectors
Spare electrical fuses
Why are hazardous materials placards used?
They are to help first responders identify the type of hazardous materials
What kinds of fires is a B:C extinguisher NOT good for?
wood, paper, ordinary combustible
fires in combustible metals