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Colorado CDL Permit Test - Knowledge Test Class B

Number of questions: 50
Passing score: 40
Directions: This license is required for driving a single vehicle with a GVWR of more than 26,001 pounds, and a trailer not to exceed 10,000 pounds gross vehicle weight rating, or a vehicle designed to transport 24 or more people (including the driver). To receive this license, applicants must pass a 50-question test. To pass, applicants must answer 40 questions correctly. Each question has four possible answer choices. Test questions come from the Colorado Commercial Driver License Manual. Questions come from chapters covering: Introduction, Driving Safely, Transporting Cargo Safely, Air Brakes (if applicable), Pre-Trip Vehicle Inspection Test, Basic Vehicle Control Skills Test and On-Road Driving.. Endorsements that may be used with a Class B CDL are: Hazardous materials, Tank, Passenger, HazMat and Tank, Air Brakes and School bus.
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Passing grade —
10 or fewer errors
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8.

When traveling with cargo, you must make sure the cargo is secure:

No more than two times.
Every 150 miles or three hours of driving.
Only after traveling up a hill.
Only after coming to a hard stop.
9.

If a tire rim is damaged, it should be:

Left on the vehicle.
Welded to repair the damage.
Replaced.
Put on the axle farthest from the driver.
10.

While operating a CMV:

You are not required to wear a safety belt.
You are only required to wear a safety belt if your vehicle does not have airbags.
You are required to wear a safety belt, but only if hauling more than 1,000 pounds of cargo.
You are always required to wear a safety belt.
11.

If something is found to be unsafe during a pre-trip inspection, you should:

Continue with the trip and make an appointment with a mechanic after the trip is completed.
Let a more experienced driver use the truck.
Get the issue fixed immediately.
Not use the items found to be unsafe, but may continue driving normally.
12.

Dry bulk tanks require special care because:

They have low centers of gravity.
They have high centers of gravity.
Loads are usually stable.
They are usually overloaded.
13.

An open automobile window in cold weather may indicate that the driver is:

Driving impaired.
Inappropriately dressed.
Using the heat inside their vehicle.
Enjoying the fresh air.
14.

If the brake pads rub against the brake drums and create too much heat:

The brakes will stick.
The brakes will become extra sensitive.
The brakes may stop working.
The air compressor will kick on to cool the brakes.
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