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Ohio CDL Permit Test - Knowledge Test Class B

(From the 2021 Ohio CDL driver handbook)
Number of questions: 50
Passing score: 40
Directions: This license is required for driving a single vehicle with a GVWR of more than 26,001 pounds, and a trailer not to exceed 10,000 pounds gross vehicle weight rating, or a vehicle designed to transport 24 or more people (including the driver). To receive this license, applicants must pass a 50-question test. To pass, applicants must answer 40 questions correctly. Test questions come from the Ohio Commercial Driver’s License Manual. Questions come from chapters covering: Introduction, Driving Safely, Transporting Cargo Safely, Air Brakes (if applicable), Pre-Trip Vehicle Inspection Test, Basic Vehicle Control Skills Test and On-Road Driving.. Endorsements that may be used with a Class B CDL are: Hazardous materials, Tank, Passenger, HazMat and Tank, Air Brakes and School bus.
You have made error so far
Passing grade —
10 or fewer errors

What is road rage?

Operating a motor vehicle with the intent of doing harm to others
Operating a motor vehicle that is deemed unsafe
Operating a motor vehicle that has not been inspected

A safety valve is set to open at ____ pounds per square inch (psi).


What is reaction distance?

The distance you will travel between realizing you must brake and when you physically hit the brakes
The distance you will travel between a hazard becoming visible and you seeing the hazard
The distance you will travel between seeing a hazard and realizing you must brake

After starting the engine, the Anti-Lock Braking System (ABS) light stays on if:

The ABS is working properly.
The ABS is not working properly.
The ABS is not engaged.

How can a driver maintain alertness while driving?

Stay fit and healthy
Keep the cab warm
Eat heavy foods

As part of the vehicle inspection test, a CDL applicant may be asked to:

Check the engine oil level.
Replace a tire.
Remove the alternator belt.

Which of the following vehicles is not exempted in requiring the driver to hold a CDL?

A military vehicle
A school bus
An emergency vehicle
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