CDL GENERAL KNOWLEDGE TEST (IL) - PRACTICE TEST

21. What should you do if your brakes fail while driving downhill, and no escape ramp is available?
call for assistance before you get out of your vehicle.
use your parking brake to stop.
wait until you can find an escape ramp.
take the least hazardous escape route you can - and make the move as soon as possible.
22. Which of the following is a tip to follow so you won't become a distracted driver?
Engage in complex conversations with others.
Adjust all vehicle controls and mirrors while driving.
Turn on all communication devices.
None of the above.
23. Which of these is true about fire extinguishers?
Check that the extinguisher is the correct type for the class of fire that may occur.
The fire extinguisher must be properly charged and rated.
You must study the instructions printed on the extinguisher before you need it.
All of the above.
24. What is Gross Vehicle Weight (GVW)?
A vehicle's maximum weight rating, specified by its manufacturer.
The total weight of a vehicle, including that of any trailers.
The total weight of a single vehicle including its cargo.
None of the above.
25. Which of the following factors is NOT used to determine your safe speed when going down a long steep downgrade?
Total weight of the vehicle and cargo
Weather
Time of day
Length and steepness of grade
26. To avoid becoming distracted while driving, you should:
pre-program your favorite radio stations.
be careful when reading a text message on your mobiledevice while driving.
familiarize yourself with your vehicle's features within the first 10 miles of driving.
All of the above.
27. Which of the following statements about backing is NOT true?
You should use a helper when you can.
Backing toward the left side is very dangerous because you can't see as well.
You should use the lowest reverse gear.
You should get out of the vehicle and check your path if you are unsure.
28. Mirror adjustment should be checked:
only if you plan on using them.
once a month.
once a week.
prior to the start of any trip.
29. If you cannot see well enough while driving in cold weather, you should:
reduce your speed and make sure the windshield washer works.
keep driving and check that the wiper blades press against the window hard enough to wipe the windshield clean.
stop safely and fix the problem.
turn your defroster on and slow down until you can see again.
30. Retarders:
apply their braking power whenever you push on the accelerator.
help slow a vehicle and reduce brake wear.
help prevent accidents by applying extra braking power to the non-drive wheels.
All of the above.
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