GENERAL KNOWLEDGE CDL TEST NORTH CAROLINA - PRACTICE TEST

11. In order to protect yourself and others, you must be aware that children may do something hazardous because:
they are often found in school zones.
they tend to like trucks.
they don't have a driving license.
they tend to act quickly without checking traffic.
12. To test your hydraulic brakes for leaks:
turn off the engine and and listen for leaks.
apply firm pressure to the brakes for five seconds, then pump them three times.
pump the brake pedal three times, then hold it down for five seconds.
None of the above.
13. Air storage tanks:
use parts of the service brake systems to stop the vehicle in a brake system failure.
are installed in the first tank the air compressor pumps air to.
hold compressed air for the brakes.
pump air into the air storage tanks.
14. To prevent drowsiness before a trip, drivers should:
drive at night.
get at least 5 hours of sleep.
drive alone.
prepare the route carefully, including stopping points.
15. What should you do if you doubt you have safe space to pass under a low bridge?
Increase the weight of your vehicle to clearing under the bridge.
Assume that the height posted at the bridges is correct.
Go slowly, and take another route if you are not sure you can make it.
If no warnings are posted, assume there is enough clearance under the bridge and proceed slowly.
16. Doing a vehicle inspection is very important. Why?
A defect found during an inspection could save you problems later.
Federal and state regulations require that drivers inspect their vehicle.
Not doing it could cost time and dollars, or even worse, an accident.
All of the above.
17. The best advice for driving in fog is:
do not drive.
turn on your 4-way emergency flashers and slow down before you enter fog.
pass other vehicles on the right.
listen for fog-related warning signs.
18. As part of your pre-trip inspection, make sure:
the cargo is balanced properly.
your cargo does not obscure your view.
the vehicle is not overloaded.
All of the above.
19. An empty truck requires _________ a full truck.
less stopping distance than
This is irrelevant.
a greater stopping distance than
the same stopping distance as
20. Name some exhaust system parts.
Pitman arm, hydraulic fluid reservoir and tie rod
Main spring, axle and font axle hanger
Mufflers, mounting brackets and vertical stacks
Drag link, spindle and gear box
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