Knowledge Test Class B #1
Class B Driving Test | Colorado 2025 #1
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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1 . Emergency equipment, such as a fire extinguisher, is:
Only required when transporting passengers.
All commercial motor vehicles are required to be equipped with the proper emergency equipment. This may include spare electrical fuses; three red reflective triangles, six fuses, or three liquid burning flares; and at least one properly charged and rated fire extinguisher.
2 . Which of the following is a good rule to follow when making a turn?
Signal early.
Signal well in advance of a turn so drivers behind you are aware of your intentions. Keep the signal on throughout the turn and turn it off once the turn is complete.
3 . 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.
4 . Hydroplaning:
Happens most frequently when tires have good tread.
If there is enough water on the road, hydroplaning can occur at speeds as low as 30 mph. It is most likely if the tires' air pressure is too low or if tires' tread is worn.
5 . What is removed when an air tank is drained?
Chlorine
In an air brake system, the air storage tanks are equipped with drains to allow water and compressor oil to be removed. The water and oil can damage the brakes if left to accumulate in the system.
6 . How many daily hours of sleep does an adult need to maintain alertness?
Being properly rested is essential to the safe operation of a CMV. To maintain alertness, most people need eight to nine hours of sleep per night.
7 . During the vehicle inspection test, you will be asked to:
Change a windshield wiper.
During the CDL vehicle inspection test, you must be able to inspect your vehicle and explain to the examiner what you are inspecting and why.
2025 Colorado | Frequently Asked Questions
To acquire a CDL Passenger endorsement in Colorado, you must first have a valid Colorado CDL. Next, pass the CDL General Knowledge test and the Passenger Transport test. You need to complete a background check if transporting 16 or more including driver. Lastly, pay the required fees and you'll receive your passenger endorsement.
To obtain a CDL Passenger license in Colorado, you must be at least 18 years old (21 for interstate travel), have a valid Colorado driver's license, pass a vision test, and complete a medical examination. You'll also need to pass a written knowledge test, a skills test, and have a clean driving record. Some endorsements may require additional testing.
Yes, securing a CDL Passenger endorsement in Colorado requires specific training. You must understand the operation and safety procedures for passenger vehicles. This includes passing a written test on the subject. Although not mandatory, practical experience driving a passenger vehicle can be helpful in passing the skills test. Training courses are available through various providers.
Yes, additional written tests or exams are mandatory for the CDL Passenger endorsement in Colorado. In addition to the general knowledge test, you will need to pass a specific test that covers topics related to passenger vehicle safety and operation. This endorsement is required if you plan to drive a vehicle designed to transport 16 or more passengers, including the driver.
During the CDL Passenger endorsement assessment in Colorado, you'll need to showcase skills such as vehicle inspection, safe loading and unloading of passengers, proper use of emergency exits and equipment, and safe operation of the vehicle. You'll also need to demonstrate your ability to manage distractions and maintain a safe environment for passengers.
No, in Colorado, you cannot legally transport passengers in a commercial vehicle without a valid CDL Passenger endorsement. This endorsement is required for drivers who wish to drive vehicles such as buses or other vehicles that carry 16 or more passengers, including the driver. Driving without the necessary endorsement can lead to serious penalties.
Yes, it's possible to add the CDL Passenger endorsement to your existing license. You don't need a new application. However, you must pass the Passenger Transport Test and, in some cases, a skills test in the type of vehicle you will be driving. Always check with your local Department of Motor Vehicles for specific requirements.
Yes, drivers with a CDL Passenger endorsement in Colorado must comply with specific rules. For instance, they cannot transport more passengers than the vehicle is designed to carry, and they must ensure all passengers use seat belts. Also, they cannot use a cellphone while driving and are subject to stricter DUI regulations. Violating these rules can result in penalties or loss of endorsement.
Yes, in Colorado, to obtain a CDL Passenger endorsement, you must be at least 21 years old. This age requirement is set to ensure the driver has adequate experience and maturity to handle the responsibilities of transporting a large number of passengers. Additionally, applicants must hold a valid CDL and pass the necessary knowledge tests.
With a CDL Passenger endorsement in Colorado, you're eligible to operate vehicles such as buses, shuttle vans, and any other vehicle designed to transport 16 or more passengers, including the driver. This endorsement also allows you to drive vehicles used for public or private transportation, school buses (with additional school bus endorsement), and vehicles for special needs transportation.