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

Controls when the air compressor pumps air into the air storage tanks.

Controls how quickly air leaves the air storage tanks.

Controls the temperature of the air entering the air storage tanks.

Controls the temperature of the air leaving the air storage tanks.

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.

Does not know the rules of the road.

For safety, you must wear your seat belt at all times while operating a CMV.

You are always required to wear a seat belt.

You do not need to wear a seat belt.

You are required to wear a seat belt, but only if transporting more than 500 pounds of cargo.

You are always required to wear a seat belt.

You are only required to wear a seat belt when driving a tank trailer.

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.

Within your view of the road ahead.

Within 10 feet of your current position.

Within 1,000 feet of your current position.

Within your view of the road ahead.

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.

Used when transporting both liquids and gases.

Only required when transporting gases.

Only required when transporting liquids.

Used when transporting both liquids and gases.

Optional when transporting hazardous materials.

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

The wrong type of fuel being used.

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.

Usually have high centers of gravity.

Usually have low centers of gravity.

Usually have high centers of gravity.

Usually are not allowed to cross railroad tracks.

Cannot be driven on interstates.

Class A Driving Test | Colorado 2024 #1

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 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 A requirements may vary from state to state.

Number of Question 50

Passing Score 40

Number of Tests 20

Class A Driving Test | Colorado 2024 #1

1 . What does the air compressor governor do?

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

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

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

5 . A tank endorsement is:

6 . Poisonous fumes can enter the cab due to:

7 . Dry bulk tanks:

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