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.
|
Next page
NOT SURE YOU WILL PASS? GET CDL PREMIUM NOW! - Learn More