Knowledge Test Class A

This license is required for driving any legal combination of vehicles, with a gross combination weight rating of 26,001 pounds or more, provided the GVWR of a trailer exceeds 10,000.. Read More

This license is required for driving any legal combination of vehicles, with a gross combination weight rating of 26,001 pounds or more, provided the GVWR of a trailer exceeds 10,000 pounds. To receive this license, applicants must pass a 50-question test. Test questions come from the Indiana Commercial Driver License Manual. To pass, applicants must answer 40 questions correctly. Each question has four possible answer choices. Questions come from chapters covering: Introduction, Driving Safely, Transporting Cargo Safely, Air Brakes (if applicable), Combination Vehicles, Pre-Trip Vehicle Inspection Test, Basic Vehicle Control Skills Test and On-Road Driving. Endorsements that may be used with a Class A CDL are: Hazardous materials, Tank, Passenger, Doubles/Triples, HazMat, Tank, Air Brakes and School bus.

Number of Question
Passing Score

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

Explanation
After a tire has been changed, you should stop a short while later to re-check the tightness of the lug nuts.

9. A stopped bus:

Explanation
Always drive cautiously around a stopped bus. Passengers may cross in front of or behind it, and the bus may prevent them from seeing your vehicle.

10. During the vehicle inspection test, you will be required to do all of the following, except:

Explanation
As a part of earning your CDL, you will have to pass an inspection test and demonstrate that your vehicle is safe for operation. During the vehicle inspection test, you will have to walk around the vehicle and point to or touch each item and explain to the examiner what you are checking and why. You will not have to crawl under the hood or under the vehicle.

11. When a construction worker is close to the road, you should:

Explanation
In construction zones, do not exceed the posted safe sped limit. Slow down even more when workers are near the roadway.

12. When operating a vehicle with a dual brake system, a driver should:

Explanation
Before driving a vehicle with a dual air system, allow time for the air compressor to build up a minimum pressure of 100 psi in both the primary and secondary systems.

13. The parking brake should be:

Explanation
The parking brake should be applied every time you park your vehicle.

14. If confronted by an aggressive driver, you should:

Explanation
If you encounter an aggressive driver, the most important thing to do is get out of their way, if possible. Do not provoke the driver by challenging them or making eye contact, and do not let yourself be provoked by rude gestures they might make.
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