CDL GENERAL KNOWLEDGE TEST (NORTH CAROLINA) - PRACTICE TEST

41. You must have at least 4/32 inch tread depth in every major groove on front tires and at least ___ inch on other tires.
4/32
1/32
3/32
2/32
42. Whether or not they load and secure the cargo themselves, drivers are responsible for:
recognizing poorly balanced weight.
knowing the cargo does not obscure the view ahead or to the sides.
making sure the cargo does not restrict access to emergency equipment.
All of the above.
43. When using your turn signals, you should:
signal only if vehicles are in front of you.
turn the signal off before you turn.
signal well before you turn.
signal only if vehicles are behind you.
44. Your vehicle has hydraulic brakes. When you press the brake pedal while driving and the pedal goes to the floor, remember that:
the parking brake should never used to slow the vehicle.
pumping the brake pedal may generate enough hydraulic pressure to stop the vehicle.
shifting into neutral may help slow the vehicle.
All of the above.
45. Which of these should you check before driving in winter?
Coolant level and antifreeze amount
Windshield wiper blades
Defrosters
All of the above.
46. Hydroplaning is most likely to occur:
at speeds below 30 mph.
right after it starts to rain.
when it's been raining for over an hour.
right before it starts to rain.
47. An alcohol evaporator is important during:
cold weather.
dry weather.
hot weather.
windy weather.
48. A driver distraction is anything that takes your attention away from driving, such as:
adjusting the radio.
pedestrians.
billboards.
All of the above.
49. To back safely, you should NOT:
back to the right side whenever possible.
back as slowly as possible and use the lowest reverse gear.
use a helper whenever possible.
look at your line of travel before you begin backing.
50. What plays a major role in mountain driving?
Gravity
Rain
Speed
Weather
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