Knowledge Test Class B #1
Class B Driving Test | Colorado 2025 #1 Page 6 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 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 . When checking your vehicle's lights before driving:
The check can be done by looking at a reflection from a shiny surface.
To check your vehicle's lights before a trip, you should set the parking brake, turn off the engine, remove the key from the ignition, and take the key with you. Turn on your low beam headlights and four-way flashers. Get out of the vehicle to make sure the lights are working properly.
37 . If driving in a foggy area, you should not:
Turn on your four-way flashers.
It is safest not to drive in foggy areas. However, if you must drive through fog, you should slow down, use your low beam headlights and fog lights, and turn on your four-way flashers.
38 . When checking the springs during a vehicle inspection, do all of the following, except:
Glue cracked leaf springs.
When checking the springs as part of the vehicle inspection test, you should look for missing, shifted, cracked, or broken leaf springs, as well as broken or distorted coil springs. If the vehicle is equipped with torsion bars, torque arms, or other types of suspension components, ensure that they are not damaged and are mounted securely.
39 . While driving a vehicle, if an unusual noise or feeling occurs, the driver should:
Drive on the shoulder.
If you see, hear, smell, or feel anything that could indicate trouble while you are driving, you should stop and inspect the source of the unusual occurrence.
40 . Blocking a load:
Can only be done in dry weather.
Cargo should be blocked to prevent it from sliding around in transit. The shifting of weight in transit can make steering and handling difficult for the driver.
41 . During a basic vehicle control skills test, you may be asked to:
All of the above.
Maneuvers that may be included in the basic vehicle control skills test include straight line backing, offset back/right parking, offset back/left parking, driver side parallel parking, conventional parallel parking, and alley docking.
42 . ____ is a thin layer of ice that forms on road surfaces.
Blue ice
Black ice is a layer of ice that is thin and clear enough for the road to be visible through it. This makes the road look as if it is merely wet.
See the exact questions that will be on the 2025 Colorado DMV exam.
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2025 Colorado | Frequently Asked Questions
A CDL Class B license in Colorado allows the holder to operate single vehicles with a gross vehicle weight rating (GVWR) of 26,001 pounds or more, or towing vehicles not exceeding 10,000 pounds GVWR. This includes buses, farm labor vehicles, and any vehicle designed to transport 16 or more passengers including the driver.
A Class B CDL license in Colorado allows the holder to operate single vehicles with a gross vehicle weight rating of 26,001 pounds or more, and towed vehicles not exceeding 10,000 pounds. It covers vehicles like city buses, delivery trucks, dump trucks with small trailers, and large straight trucks.
To acquire a Class B CDL license in Colorado, you must be at least 18 years old (21 for interstate driving), possess a valid Colorado driver's license, pass a vision test, and successfully complete a written knowledge test. Additionally, you must pass a skills test which includes a pre-trip vehicle inspection, basic vehicle control, and on-road driving.
In Colorado, you must be at least 18 years old to qualify for a Class B Commercial Driver's License (CDL) for intrastate driving (within Colorado only). However, you must be at least 21 years old to drive a commercial vehicle across state lines, carry hazardous materials, or transport passengers.
Specific endorsements aren't necessary for a Class B CDL license but they can broaden your driving capabilities. Endorsements include: H for hazardous materials, N for tank vehicles, P for passenger vehicles, S for school buses, and T for double/triple trailers. Each endorsement requires passing a knowledge test and some require a skills test.
The Class B CDL skills assessment in Colorado includes three parts: a pre-trip vehicle inspection, a basic vehicle control test, and an on-road driving test. You must demonstrate knowledge of your vehicle and its controls, show ability to manage its operation under various traffic conditions, and ensure it's safe for the road.
Yes, Class B CDL license holders in Colorado are restricted to operating vehicles with a GVWR of 26,001 or more pounds, or towing vehicles not more than 10,000 pounds. They can also operate buses with 24 passengers or more, including the driver. However, they cannot operate Class A vehicles unless they have the appropriate endorsements.
In Colorado, the written CDL test is offered only in English. Federal regulations mandate that all CDL applicants demonstrate proficiency in English. They must be able to read, write, speak, and understand the language to converse with the general public, understand highway traffic signs and signals, respond to official inquiries, and make entries on reports and records.
Yes, you can request accommodations for the Class B CDL written exam in Colorado if you have a disability. You must provide documentation of your disability and specify the type of accommodation needed. The DMV is committed to providing equal access to its services and will make reasonable accommodations in accordance with the Americans with Disabilities Act.
Yes, you can retake the Class B CDL written test in Colorado. If you fail, you must wait one day before retaking it. If you fail three times, you must wait 30 days before your next attempt. Keep in mind each retest has an associated fee and make sure to study the manual thoroughly before retaking the test.
