20 Tests

CDL Class A Driving Test Online | Colorado 2020

Train for FREE online with our Colorado class A 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 A permit in 2020, practice as much as.. Read More

Train for FREE online with our Colorado class A 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 A permit in 2020, 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 A requirements may vary from state to state.

50
40
10

1 . What does the air compressor governor do?

Controls the temperature of the air leaving the air storage tanks. In an air brake system, the air compressor governor controls when the air compressor pumps air into the air storage tanks.

2 . A vehicle stopped at a green light may indicate that the driver:

Is very patient. It is important to observe other drivers' actions and identify clues that a person could be driving impaired. Drivers who have had too much to drink, are sleepy, are on drugs, or are ill can present hazards to other drivers. One sign that a driver may be impaired is that they stop in inappropriate places, such as at green traffic lights.

3 . If driving a truck that requires a CDL for operation:

You are only required to wear a seat belt when driving a tank trailer. For safety, you must wear your seat belt at all times while operating a CMV.

4 . Be sure you are always driving so your vehicle can stop:

Immediately. Always be sure that you are driving in a manner that will allow your vehicle to come to a complete stop, if necessary, within the area of the road ahead that you are able to see.

5 . A tank endorsement is:

Optional when transporting hazardous materials. In general, a tank endorsement is required to a drive tank vehicle used to transport liquids or gases. This applies to both hazardous and non-hazardous materials.

6 . Poisonous fumes can enter the cab due to:

Under-inflated tires. Defects in an exhaust system are very dangerous because they can cause poisonous fumes to enter the cab or sleeper berth.

7 . Dry bulk tanks:

Cannot be driven on interstates. Dry bulk tanks require special care when being driven because they have high centers of gravity. Drivers should also be careful because the materials being carried can easily shift in transit, causing a change in the vehicle's handling.

Wait, before you go

Ace Your Colorado CDL Written Test with our Guaranteed Cheat Sheet