Instructions
Knowledge Test Class A #1

FREE CDL Class A Driving Test Online Oregon 2023

Train for FREE online with our Oregon 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 OR CDL class A permit in 2023, practice as much as.. Read More

Train for FREE online with our Oregon 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 OR CDL class A permit in 2023, 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.

Today, you'll get a chance to put your knowledge from the Oregon Commercial Driver Manual to the test by completing 50 multiple-choice questions about critical commercial driving themes like safe driving techniques, backing, braking, driving in extreme circumstances, and more. Take this practice exam as many times as you need to pass, and good luck on your exam!

Ideal for: 

  • CDL holders who want to add endorsements to their license
  • First-time OR CDL and CLP applicants
  • Applicants for CDL renewal in OR

On the actual OR CDL exam:

  • There are 50 questions
  • To pass, you must get 40 right answers 
  • 80% passing score
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1 . Sometimes, when checking the automatic transmission fluid level:

Your vehicle may have to be left running. In some vehicles, you may have to leave the engine running to check the automatic transmission fluid level.

2 . During a vehicle inspection, be sure that:

The emergency exits are not accessible from inside the cab. During the vehicle inspection test, you must ensure that any emergency exit warning devices are working. All emergency exits should operate smoothly, be undamaged, and close securely from the inside.

3 . A driver can rely on front wheel braking to work:

Front wheel braking is effective under all road conditions. It is unlikely that you will experience a front wheel skid, even on ice.

4 . When using a turn signal, you should not:

Allow the turn signal to stay on long after the turn has been completed. Always signal well ahead of a turn or lane change. Signal continuously until you have completed the turn or lane change, then be sure to cancel the signal so you do not confuse other drivers.

5 . After a tire has been changed, the driver should stop after a short distance to:

After a tire has been changed, the driver should stop a short distance later to recheck the tightness of the tire's lug nuts.

6 . What kind of brakes do most newer heavy-duty trucks use?

Most newer heavy-duty vehicles use dual air brake systems. A dual air brake system has two separate air brake systems which use a single set of brake controls.

7 . Air tank drains should:

In an air brake system, air tank drains are used to remove water and compressor oil from the air tanks. When operating a drain, be sure to drain the tank completely.

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