Colorado CDL Class A, B or C DMV Practice Tests & Cheat Sheets

CDL Class A, B or C. Complete CDL driver training course. All the questions in this test are from the official DMV written exam. You can use our free online tests to evaluate how likely you are to pass the official DMV test. Or you can just cut to the chase and increase your chances of passing by upgrading to Premium Membership and unlock official DMV tests. In addition, you will also receive a master cheat sheet which contains all your state’s DMV questions and answers. Premium membership also unlocks a smart tracker which keeps an inventory of all incorrectly answered questions for easy, fast and effective revision. Practice with our free tests or hit Upgrade button below for premium access and increase your chances of passing your DMV written exam.

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Quick Facts:

Number of Questions – 20

Passing Percentage – 80%

Test Type – Free Test

Indicate where the dipstick is located.
Show that the oil level is within a safe operating range.
Show that the oil level is above the refill mark.
Show that the oil level is below the refill mark.

Check the engine oil level.
Replace a tire.
Remove the alternator belt.
Replace spark plugs.

May sometimes be hidden by cargo on the bus.
Do not need to be displayed because the purpose of an emergency exit is always clear.
Should be painted blue.
Should be clearly visible and identifiable.

Colorado DMV CDL Passenger Quick Practice Test

Colorado DMV CDL Passenger Quick Practice Test For 2024

99.5% Pass Rate

You should expect to hear every approaching train.
You may not hear a train, even if one is approaching.
You will hear two short blasts of a train's horn if a train is approaching.

Only on the front of the vehicle.
On the front, rear, and sides of the vehicle.
Only on the driver’s side of the vehicle.

Before starting a trip
While driving
When a vehicle is stopped at a traffic signal

Ice cream trucks must be kept cold.
Children often run toward an ice cream truck without looking for other traffic.
Ice cream trucks leave trails of water and ice on the roadway.