Colorado DMV CDL Doubles / Triples Quick Practice Test

Colorado DMV CDL Doubles / Triples Quick Practice Test For 2024

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.

99.5% Pass Rate

Get Access To Official DMV Online Tests & A Master Cheat Sheet With All Questions & Answers For Your State. 99.5% Pass Rate Guaranteed!

Upgrade To Premium

Quick Facts:

Number of Questions – 20

Passing Percentage – 80%

Test Type – Free Test

1. What does ABS do?

Prevent wheel lockup
Prevent the air compressor from overheating
Prevent the front brakes from being used on ice
Prevent the brakes from being used if downshifting would be more effective

2. If a vehicle is equipped with power steering, the hoses should be checked:

For leaks.
To ensure that they are still clear.
To ensure that they are connected to the battery.
To ensure that they contain the proper amount of play.

3. What does an air compressor do in an air brake system?

It pumps air into the air storage tanks.
It fills the tires.
It moves air to the back of the truck.

4. When inspecting a power steering-equipped vehicle, you should be sure that:

The fluid is at the proper level.
The hoses are connected to the battery.
The hoses do not contain any fluid.
Only small leaks are present.

5. Having anti-lock brakes on only one axle:

Will not make a difference in braking.
Will provide increased control in braking.
Will likely cause the air brakes to malfunction.

6. An example of mandatory emergency equipment is:

A supply of spare electrical fuses.
A loud horn.
A battery-operated flashlight.
A supply of fireworks.

7. Most drivers are the least alert:

In the morning.
In cold weather.
At night.
After work.

8. When leaving your vehicle:

The air brakes should be applied.
The parking brake should be applied.
Brakes should not be applied if the vehicle is left out of gear.

Page 1 of 3