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.

Only needed for vehicles transporting hazardous materials.

Only needed for interstate travel.

Only required when transporting passengers.

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.

Use your arms to get the attention of other drivers.

Turn off your turn signal before entering the turn to avoid confusing other drivers.

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.

Place an appropriate amount of weight over the axles.

Place as little weight as possible over the axles.

Place an appropriate amount of weight over the axles.

Not be concerned about how the weight is distributed.

Only place weight over the axles.

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.

Can occur at speeds as slow as 30 mph.

Only occurs at extremely high speeds.

Can occur at speeds as slow as 30 mph.

Happens most frequently when tire pressure is too high.

Happens most frequently when tires have good tread.

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.

Explain to the examiner what you would inspect and why.

Estimate the weight of a load in a trailer.

Class B Driving Test | Colorado 2024 #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 2024, 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

Class B Driving Test | Colorado 2024 #1

1 . Emergency equipment, such as a fire extinguisher, is:

2 . Which of the following is a good rule to follow when making a turn?

3 . When loading a trailer, it is important to:

4 . Hydroplaning:

5 . What is removed when an air tank is drained?

6 . How many daily hours of sleep does an adult need to maintain alertness?

7 . During the vehicle inspection test, you will be asked to:

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