NORTH CAROLINA CDL PRACTICE TEST - GENERAL KNOWLEDGE

11. When driving a 60 foot truck at 35 mph in ideal conditions, you should keep at least _______ of space in front of you.
6 seconds
5 seconds
12 seconds
4 seconds
12. Which of the following is most likely to get stuck on raised railroad crossings?
An empty truck
A single-axle tractor pulling a small trailer
A single-axle tractor with no trailer
A low slung unit
13. Which of the following can cause vehicle fires?
Short circuits and loose connections
Improper fueling
Improperly sealed cargo
All of the above.
14. The minimum age to obtain a Hazardous Materials endorsement is:
18
25
21
16
15. While crossing railroad tracks, you should:
shift up.
not shift gears.
stop, then look and listen for the train.
shift down.
16. To warn drivers behind you that you will be slowing down, you should:
turn on the 4-way emergency flashers.
turn on the parking, clearance and side-marker lights.
tap your brake pedal a few times to flash your brake lights.
turn on the right and left turn signals at the same time.
17. If you see a hazard ahead, you should:
come to a complete stop when safe to do so.
think about the emergencies that could develop and be prepared to take action.
call the emergency services.
none of the above.
18. The law requires __________ to inspect a commercial motor vehicle before a trip.
the owner
a qualified inspection technician
the driver
a qualified testing engineer
19. Warnings on low bridges or underpasses:
are often posted, but sometimes they are not.
are always posted.
must be posted.
None of the above.
20. Commercial motor vehicles:
should have a properly charged and rated fire extinguisher and other emergency equipment.
are only required to have a fire extinguisher when transporting hazardous materials.
are not required to have a fire extinguisher if they already have reflective warning triangles and other emergency equipment.
None of the above.
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