Colorado Driver's Examination

Knowledge Test Class B #2

FREE CDL Class B Driving Test Online | Colorado 2024

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 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.

Number of Question 50

Passing Score 40

Number of Tests 20

1 . What is Gross Vehicle Weight (GVW)?

The total weight of a vehicle and its load

The total weight of a vehicle's tractor

The total weight of a loaded trailer

The weight of a tractor and trailer, before adding in the load

Gross Vehicle Weight (GVW) is defined as the total weight of a single vehicle in addition to its load.

2 . When inspecting cargo, the driver should ensure all of the following, except:

That the truck is not overloaded.

That the cargo is balanced.

That the cargo is secured properly.

That the cargo is heavier at the top than the bottom.

When inspecting cargo, a driver must ensure that the cargo is balanced and properly secured. To reduce the risk of a rollover, the weight of a load of cargo should be kept as low as possible. A trailer should not be overloaded.

3 . When driving, it is important to:

Keep your attention focused in front of your vehicle.

Look only to the front and right side of your vehicle.

Look only to the front and sides of your vehicle.

Look to the front, sides, and rear of your vehicle.

For safe driving, it is essential that you are aware of what is happening on all sides of your vehicle. In addition to watching the road ahead, you should frequently check your mirrors to monitor the road to the sides and to the rear of your vehicle.

4 . Vehicles with dual air brake systems:

Maintain full-capacity air pressure in the braking systems even when the vehicle is not running.

Maintain some air pressure in the braking systems when the vehicle is not running.

Must be run to build enough air pressure to brakes to operate properly.

Do not need time to build air pressure before a trip.

Before driving a vehicle with a dual air brake system, you must allow the air compressor time to build up at least 100 psi of air pressure in both the primary and secondary systems.

5 . Belts in the engine compartment should be:

Frayed.

Tight.

Greasy.

Easy to slide off.

When inspecting your vehicle's engine, check the belts for tightness and excessive wear. The amount of "give" that is safe for each belt in a given engine will vary, so learn what is appropriate for your vehicle.

6 . ____ is a thin layer of ice that forms on road surfaces.

White ice

Black ice

Green ice

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.

7 . When checking your vehicle's lights before driving:

The vehicle should be running and in gear.

The engine should be turned off.

The check can be done from inside the vehicle.

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.

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2024 Colorado | Frequently Asked Questions

To secure a CDL Doubles/Triples endorsement in Colorado, you must already hold a valid CDL. You'll need to pass a knowledge test on handling large trucks with multiple trailers. After passing, the endorsement will be added to your CDL. Remember, this endorsement does not cover the operation of motorcycles or school buses.

To obtain a Colorado CDL Doubles/Triples license, you should first have a valid Colorado CDL. Then, you'll need to pass the Doubles and Triples endorsement test. This test covers topics like coupling and uncoupling, inspecting doubles and triples, and handling. After passing the test, the endorsement will be added to your CDL.

While Colorado doesn't specifically require specialized training for a CDL Doubles/Triples endorsement, it's highly recommended. Training can ensure you're prepared for the knowledge test and safe operation of these vehicles. Experience driving a single trailer truck may also be beneficial, but isn't required. The key requirement is passing the endorsement knowledge test.

Yes, to obtain a CDL Doubles/Triples endorsement in Colorado, you must pass a written knowledge test. This exam focuses on the safe operation and handling of large trucks with multiple trailers. It's important to study thoroughly, using resources like the Colorado CDL Handbook, to ensure success on this test.

For the CDL Doubles/Triples endorsement in Colorado, you're not required to perform a skills or road test. The endorsement solely requires passing a written knowledge test. This test covers topics like coupling and uncoupling, inspecting doubles and triples, and managing the vehicles on the road. Practical skills are important for safe driving but aren't formally tested for this endorsement.

No, it is not permissible to operate double or triple trailers in Colorado without a valid CDL Doubles/Triples endorsement. This endorsement is necessary to ensure that drivers have the specialized knowledge and skills required to safely operate such vehicles. Driving without the proper endorsement can result in legal penalties.

In Colorado, you can add the CDL Doubles/Triples endorsement to your existing commercial driver's license. You don't need to initiate a new application for a separate license. However, you must pass the written knowledge test specific to doubles/triples operation. After passing, the endorsement is added to your current CDL.

Yes, even with a CDL Doubles/Triples endorsement, Colorado drivers must adhere to specific rules. These include a maximum trailer length of 28.5 feet for each unit in a set of doubles, and the total weight of all units combined cannot exceed 80,000 lbs. Also, drivers must follow all federal and state transportation laws, including hours of service regulations.

In Colorado, the maximum legal weight for a vehicle, including double or triple trailers, is 80,000 pounds. The maximum length for a single trailer is 57 feet 4 inches. For double/triple trailers, the combined length should not exceed 100 feet. However, these restrictions may vary depending on road and bridge limits.

Yes, safety is paramount when operating double/triple trailers. Drivers must follow federal and state laws, including speed limits and hours of service regulations. They should also be well-versed in coupling and uncoupling procedures, inspecting the coupling system regularly. Additionally, they must understand the high rollover risk associated with these vehicles and ensure proper cargo distribution to prevent accidents.