CDL PRACTICE TEST (LA) - GENERAL KNOWLEDGE TEST

11. Which of the following trailers can get stuck on raised crossings?
Lowboy
Moving van
Car carrier
All of the above.
12. Anti-lock brakes:
reduce the perception distance.
increase your stopping distance.
keep your brakes from locking up when you brake hard.
help you stop faster.
13. To prevent getting sleepy while driving, you should:
drive alone whenever possible.
keep cool by opening the window.
close the vent.
keep the cab warm.
14. Most heavy-duty vehicles use:
dual air brake systems.
pump-the-brake systems.
single air brake systems.
triple air brake systems.
15. Before each trip, you must make sure the truck is not overloaded and the cargo is balanced and secured properly. Hard steering can be caused by:
too much weight on the steering axles.
under loaded front axles.
high center of gravity.
too little weight on the driving axles.
16. You should review the pre-trip inspection report from the last driver:
It doesn't have to be reviewed.
after each trip.
once a week.
during your pre-trip inspection.
17. When your drive wheels have poor traction, retarders:
will apply the spring brakes.
will help you regain traction.
will stop working.
can cause your wheels to skid.
18. What should you do if your brakes fail while driving downhill, and no escape ramp is available?
wait until you can find an escape ramp.
call for assistance before you get out of your vehicle.
take the least hazardous escape route you can - and make the move as soon as possible.
use your parking brake to stop.
19. When using a fire extinguisher, you should stay:
at least 10 feet away from the fire.
as close to the fire as possible, without getting burnt.
at whatever distance you think is safe.
as far away from the fire as possible.
20. It is important to shift gears correctly to keep:
the engine warm.
control of the vehicle.
the engine oil flowing.
the engine cool.
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