FREE CDL Combination Vehicles Practice Test Online | Colorado 2024 Page 2 of 3
Train for FREE online with our Colorado CDL combination vehicle 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 combination license 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 DMV requirements for issuing a combination license may vary from state to state.
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8 . To test the trailer service brakes, you should:
Move the vehicle forward slowly and apply the brakes with the hand control.
To test the trailer service brakes, you should first ensure that the braking system has a normal air pressure level, then release the parking brake. You should then move the vehicle forward slowly and apply the brakes with the hand control. If the trailer service brakes are working properly, you will feel the brakes activate.
9 . If unsure if a trailer is equipped with ABS, you can:
Remove a tire and look for the ABS sensor on the axle.
Trailers and converter dollies built on or after March 1, 1998 are required to have Anti-Lock Braking Systems (ABS). This will be indicated by the presence of a yellow malfunction lamp. You can determine if older trailers have ABS by checking under the trailers for ECU and wheel speed sensor wires coming from the back of the brakes.
10 . An Anti-Lock Braking System (ABS):
Assists with the operation of brake lights.
The function of an Anti-Lock Braking System (ABS) is to prevent a vehicle's wheels from locking up during hard braking.
11 . To prevent a rollover, a driver should:
Turn quickly.
Rollovers can happen when a combination vehicle is turned too quickly. To help prevent the risk of rollover, it is important to keep the vehicle's center of gravity low by loading cargo as close to the ground as possible.
12 . Compared to other commercial motor vehicles, combination vehicles need more space on the road because they are longer and they:
Swerve more often.
Combination vehicles need more space on the road than other commercial vehicles because they are longer and need more space to turn and stop. It is especially important to properly manage space when you are operating a combination vehicle.
13 . If you need to back your trailer but cannot back up in a straight path, you should:
Always turn to your right.
If you need to back your trailer but cannot back up in a straight path, you should back on a curved path toward the driver's side of the vehicle. This will permit you the best possible visibility while backing.
14 . Trailers with low underneath clearance may be difficult to drive:
At the posted speed limit.
Railroad-highway crossings may be difficult to cross when pulling a trailer with a low underneath clearance. In particular, both low-slung units and single-axle tractors pulling long trailers are especially challenging to drive over raised crossings.
See the exact questions that will be on the 2024 Colorado DMV exam.
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2024 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.
