20 Tests

FREE Air Brakes Endorsement Test Online | Pennsylvania 2021

Train for FREE online with our Pennsylvania CDL air brake 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 PA Class A/Class B driver license in 2021, practice as much as.. Read More

Train for FREE online with our Pennsylvania CDL air brake 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 PA Class A/Class B driver license in 2021, 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 the requirements for CDL may vary from state to state.

30
24

1 . To correct a drive-wheel braking skid, a driver should do all of the following, except:

Accelerate. To correct a drive-wheel braking skid, you should first remove your foot from the brake pedal to allow the locked wheels to begin rolling again. Quickly steer in the direction you want to go, then countersteer to prevent your vehicle from skidding in the opposite direction.

2 . The minimum size of placards identifying hazardous materials is:

10 and three-quarter inches. Hazardous materials placards must be at least 10 and three-quarter inches square.

3 . Containers of nitric acid should be:

Loaded in the cabin. Nitric acid should not be stacked above any other product. Containers of nitric acid may be stacked, but no higher than two containers high.

4 . If oil and water build up in your vehicle's air tanks, the brakes:

Will be extremely sensitive. Air tanks should be drained daily to remove water and oil buildup. An excess of oil and water in the air tanks can interfere with proper brake function.

5 . Which factor does not have an impact on a person’s blood alcohol concentration (BAC)?

The temperature of the drinks The three main factors that determine a person's blood alcohol concentration (BAC) are the amount of alcohol consumed, how quickly the alcohol is consumed, and the person's weight.

6 . Which type of vehicle is most prone to the “crack-the-whip” effect?

A triple trailer Triple combination trailers are most vulnerable to the "crack-the-whip" effect.

2022 Pennsylvania | Frequently Asked Questions

The Department of Transportation (DOT) in Pennsylvania administers a General Knowledge Exam that consists of 50 difficult multiple-choice questions. You only have one hour to complete the test, and if you score less than 80% (that is, 40 questions correctly), you will fail.

The regular CDL license in Pennsylvania costs around $74.50 and is valid for four years.

A valid Medical Examiner's Certificate is necessary for all commercial drivers of vehicles in interstate commerce with a maximum gross vehicle weight rating of above 10,000 pounds (ME Certificate).

From the time the permit is issued until the scheduled date of your class A, B, or C skills test, you must wait at least 15 days. You may, however, contact PennDOT to schedule the skills test as soon as you complete the knowledge test.

The Knowledge Test Authorization and the CDL Learner's Permit will both be valid for one year. EXAMPLE: If you pass the knowledge exam in three months, your skills permit will be valid for nine months.

Wait, before you go

Ace Your Pennsylvania CDL Written Test with our Guaranteed Cheat Sheet