20 Tests
CDL Class B Driving Test Online | Nebraska 2021
Train for FREE online with our Nebraska 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 NE CDL class B permit in 2021, 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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1 . Dry bulk tanks:
Dry bulk tanks require special care to be driven, both because they have high centers of gravity and because the weight of the load can shift in transit.
2 . How many daily hours of sleep does an adult need to maintain alertness?
Four to five
Being properly rested is essential to the safe operation of a CMV. To maintain alertness, most people need eight to nine hours of sleep per night.
3 . If a tire fails, you should:
Wave your arms at other drivers.
Using the brakes after a tire failure could cause you to lose control of your vehicle. Unless you're about to hit something, stay off of the brake until the vehicle has slowed sufficiently.
4 . Why are multi-speed axles and auxiliary transmissions used?
On many vehicles, multi-speed rear axles and auxiliary transmissions are used to provide extra gears.
5 . Empty trucks often take a shorter distances to come to a complete stop than fully-loaded trucks.
The brakes, tires, springs, and shock absorbers on heavy-duty vehicles are designed to work best when the vehicle is fully loaded. Empty trucks require longer distances to stop because their lighter weight allows them less traction.
6 . When driving a 50-foot truck at 50 mph, you should maintain a following distance of at least:
Eight seconds.
When traveling at speeds below 40 mph, you should maintain at least one second of following distance for every 10 feet of your vehicle's length. At higher speeds, add an additional second.
7 . What is a concern immediately after it begins raining?
People will be using their windshield wipers needlessly.