Knowledge Test Class B #1
Class B Driving Test | Illinois 2025 #1 Page 6 of 7
Train for FREE online with our Illinois class B license test. The official exam test consists of several obligatory parts, with all of them checking your knowledge of different blocks of road rules. If you need to obtain a IL CDL class B permit in 2025, practice as much as possible. Free sample tests published on our website will help you check and improve your knowledge and boost your grades. Please bear in mind that CDL class B requirements may vary from state to state.
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36 . Improperly loaded cargo:
Is unsafe, but is unlikely to damage a vehicle.
Proper loading of cargo is essential for safety. Cargo that is not properly secured could fall off and cause death or injury. Excessive or inappropriate loading could damage a vehicle, and make it hard for a driver to steer safely.
37 . During exercises that are not the straight line backing exercise, you may exit your vehicle to check its position no more than:
Four times.
A driver is allowed to exit their vehicle to check its position during any basic control skills test exercise. This action is called a "look." During the straight line backing exercise, a driver may not exceed one look. During any other exercise, a driver may not exceed two looks.
38 . If you’re feeling tired before a drive, you should:
Drive as fast as possible so you get to the destination quickly.
Stimulant drugs, including caffeine, are not helpful as a way of avoiding fatigue. They may help keep you awake, but will not make you any more alert. Feeling tired is a sign that your body needs sleep, and the only way to properly address it is to stop driving and get some sleep.
39 . During a written exam:
Cell phones may be left on.
All electronic devices must be turned off while a written exam is being taken.
40 . What should a driver do if their vehicle hydroplanes?
Take the vehicle out of gear.
If your vehicle begins to hydroplane, you should slow down by releasing the accelerator and pushing in the clutch.
41 . How often does a truck with a gross weight of more than 8,000 pounds need to be inspected?
Every five years
Trucks registered with a gross weight of more than 8,000 pounds are among the vehicles required to undergo a semi-annual safety inspection.
42 . Convex mirrors:
Are illegal to be used in most states.
