ARIZONA CDL PRACTICE TEST - GENERAL KNOWLEDGE

21. Why should you be in the proper gear before starting down a hill?
gravity can cause the speed of your vehicle to increase.
it will help you go faster when you reach the bottom of the hill.
changing gears on a hill is illegal.
22. When checking the steering system for defects, you should look for:
cut or cracked valve stems.
bent, loose, or broken parts, such as tie rods.
missing or broken leaves in any leaf spring.
23. Stab braking cannot be used in vehicles with:
anti-lock brakes.
spring brakes.
air brakes.
24. The weight of a truck:
has no effect on stopping distance.
is not as important as the vehicle's center of gravity in determining stopping distance.
has an impact on stopping distance.
25. Controlled braking:
involves locking the wheels and then releasing the brakes.
must be used when you need to turn sharply while braking.
can be used to keep your vehicle in a straight line and allow you to turn if necessary.
26. Distracted driving may be caused by _________ while driving.
eating
listening to music
maintaining constant speed
27. When a tire fails, do NOT:
brake, unless you're about to run into something.
keep a firm grip on the steering wheel.
stay off the brake until the vehicle has slowed down.
28. Backing is dangerous because:
cargo may fall out.
you cannot see everything behind your vehicle.
you have to turn the steering wheel toward the direction you want to go.
29. The average driver has a reaction time of:
3/4 second to 1 second.
1/8 of a second.
1/32 of a second.
30. Which of the following statements about driving in hot weather is true?
You should check the tire mounting and air pressure before driving.
Spots where tar "bleeds" to the surface provide better traction.
If a tire is too hot to touch, you should hose it down with water.
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