Knowledge Test Class B #2
Class B Driving Test | Colorado 2024 #2 Page 3 of 7
Train for FREE online with our Colorado 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 CO CDL class B permit in 2024, 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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15 . A low air pressure warning signal should activate:
In an air brake system, a low air pressure warning signal must come on if air pressure in the tanks falls below 60 psi. This warning signal may come in the form of a light, a buzzer, or a wig wag.
16 . Header boards:
Provide extra storage.
Front-end header boards, also known as "headache racks," protect the driver from cargo moving in the event of a crash or emergency stop.
17 . When loading a trailer, it is important to:
Only place weight over the axles.
The weight of cargo in a trailer should be evenly balanced. Having too much or too little weight on an axle can interfere with proper control of the vehicle. Additionally, having too much weight on one axle can damage it.
18 . Which of the following is not a backing maneuver that you will be asked to perform during the basic control skills test?
Blind offset
Backing maneuvers that may be included in the basic vehicle control skills test include straight line backing, offset back/right, offset back/left, driver side parallel parking, conventional parallel parking, and alley docking.
19 . While driving, you:
Can make phone calls by pressing more than one button.
While driving, sending and reading text messages is prohibited. You may not hold a phone to make a call or press more than one button when dialing.
20 . Rims with welding repairs:
Are acceptable in combination vehicles.
A driver should inspect wheels before a drive, specifically looking for damage on the wheels and rims. Wheels or rims that have had welding repairs are not safe for use.
21 . If driving in a foggy area, you should not:
Turn on your four-way flashers.
