FREE CDL Class B Driving Test Online | Kansas 2024 Page 4 of 7
Train for FREE online with our Kansas 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 KS 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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22 . A suspension system:
Has a minimum weight rating.
Suspension systems receive weight capacity ratings, given by the manufacturers.
23 . Hydraulic brakes can fail due to:
Grooves in the roadway.
Failure of hydraulic brakes is often caused by a loss of hydraulic pressure. Hydraulic brakes may also fade because of overuse on a long downgrade.
24 . Hydroplaning usually occurs:
During the evening.
In places where water collects on the road, it is possible for a vehicle to hydroplane. Low tire pressure or worn tire tread makes this more likely to happen. If there is enough water on a road surface, hydroplaning can occur at speeds as low as 30 mph.
25 . During a static leakage test, the maximum leakage rate for a single vehicle with air brakes is ____ in one minute.
4 psi
When performing a static leakage test on a single vehicle with air brakes, the leakage rate should be no more than 2 psi in a minute. If air leaks from the air brake system at a quicker rate, the vehicle should not be driven because something likely needs to be repaired.
26 . A driver should always:
Drive above the speed limit.
While driving, you should continually scan the road to spot potential hazards in advance. Make emergency plans for how to deal with the hazards if they become dangerous.
27 . If being shipped on either a flatbed trailer or a trailer without sides, cargo must be:
Heavy enough that it won’t shift.
If being shipped on a flatbed trailer or on a trailer without sides, cargo must be securely tied down to keep it from shifting or falling off while the vehicle moves.
28 . Which of the following is not a sign of a person being drowsy?
Yawning
