Knowledge Test Class B #1
Class B Driving Test | Wyoming 2025 #1 Page 5 of 7
Train for FREE online with our Wyoming 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 WY 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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29 . Applicants are required to have ____ vision to obtain a CDL.
A reading of 20/40 vision in both eyes is required to pass the vision screening test during the CDL application process.
30 . When leaving your vehicle unattended:
Always apply the parking brake when leaving your vehicle unattended.
31 . If you’re unfamiliar with the area in which you must back up, you should:
Before backing up, you should get out of your vehicle and look at your line of travel. Check your clearance to the sides and overhead.
32 . A Commercial Learners Permit (CLP) is valid for:
In Wyoming, a Commercial Learners Permit (CLP) is valid for 180 days.
33 . Air pressure should build up in a single air system within:
One minute.
In a vehicle with a single air brake system, after the engine is at operating rpms, the pressure in the air system should generally build from 50 to 90 psi within three minutes.
34 . If your coolant level is found to be low, you should:
Tighten the belts.
When inspecting the engine compartment, you should check the oil level, coolant level, and windshield washer fluid level, among other things. In both cold and hot weather, it is important that the engine have enough coolant.
35 . In a dual air brake system:
Brakes on only one side of the vehicle will work.
