Free Ohio CDL General Knowledge Practice Test 2023

You are looking for actual practice for your coming CDL test? So you have come to the right place. Our OH General Knowledge Practice Test has the same questions as the real exam which is based on the Ohio CDL Manual. Our CDL practice test pack covers most of the subject areas on the Ohio General Knowledge Test such as shifting techniques, railroad crossing safety, drunk driving laws, and much more to make you become a safer driver. In addition, each question has a detailed explanation that will help you understand the concept and answer future questions about it correctly. If you don't get the pass right away, don't worry, you can take this practice test an unlimited number of times to make sure you learn all the questions. Our Ohio CDL Practice Test will refine your driving knowledge so you can earn your CDL and start driving on the roads. Let’s take our practice test now!

Our CDL practice tests:
Based on 2021 OH commercial driver's license manual
Full answers + detailed explanations
Perfect for first-time, renewal applicants
OH CDL General Knowledge Test format:
50 questions
40 correct answers to pass
80% passing score
List of questions
A vehicle is loaded with very little weight on the drive axle. What may happen?
To help you to stay alert while driving, you should:
In case of low friction between the cargo and deck, which of these is not a solution?
By law, who is ultimately responsible for ensuring the safety and road-worthiness of a CMV?
What is the aggregate WLL of two indirect tiedowns with a WLL of 5,000 lbs, and one tiedown with a WLL of 6,000 lbs?
The BAC (Blood Alcohol Concentration) for commercial drivers to be considered intoxicated when driving a commercial vehicle is:
When can your logbook be inspected?
When making a left turn, you should do which of the following?
You weigh the truck immediately before and after fueling. Based on the following, determine what percentage of the weight goes to each set of axles:

Before fueling:

steer: 10,200, drives: 31,300, gross: 71,700

After fueling:

steer:11,000, drives: 31,500, gross: 72,700

If you have to make a vehicle inspection report you must sign it
What is a 34 hour restart?
When loaded cement pipe over 45 inches in diameter, which pipes should be blocked, wedged, or otherwise immobilized?
The distance the truck will travel between noticing a hazard and hitting the brakes is:
To secure a cubic-shaped boulder, how many tiedowns are required, at minimum?
Which of the statements about pre-trip inspection is true?
California allows 20,000 pounds maximum on the steer axle. The tread width of your tires is 11 inches, and the load rating on your steer tires is 7000 pounds. How much weight can you carry on your steer axle in California?
All of the following are lighting requirements for combination vehicles longer than 20 feet or wider than 80 inches except:
Which of the following are not a primary factor affecting weight distribution across the axles?
The responsibility for repairing items noted on the pre-trip report that affect safety belongs to:
You are starting your vehicle in motion from a stop. As you apply power to the drive wheels, they start to spin. You should:
Which of the following is considered on duty time
While driving, ice builds up on your wipers and they no longer clean the windshield. You should:
The total weight of a powered unit, the trailer and the cargo is called?
Why should you always plan on arriving to your destination as quickly as possible?
When hauling livestock, to prevent them from moving around too much and causing a dangerous situation you would use:
A school bus endorsement is required in order to transport:
Which of these do not provide extra gears on some trucks?
When securing a non-cubic boulder with an unstable base, the four surrounding chains must have a WLL of at least:
Which of the following is not a requirement for shortwood loaded lengthwise?
Any activity that draws your attention to something other than the task of driving is considered:
What is a cab shield?
Why does vehicle speed naturally increase on a downgrade?
When you are starting to move up a hill from a stop:
Drivers of trucks and tractor-trailers with cargo must check that the cargo is well secured within the first ___ miles of the trip.
What is the minimum requirement for securing roll-off and hook containers?
A traffic emergency requires you to escape to the shoulder or roadside. If possible, slow down to ____ mph before using your brakes.
You are checking your brakes and suspension system for a pre-trip inspection. Which of these statements is NOT true?
A combined Tank vehicle & hazardous material endorsement will be designated with what letter on the CDL?
Specific cargo securement rules on automobiles and light trucks apply to vehicles of what weight?
Given that general cargo securement requires a WLL of at least 50% of cargo weight, how many 1/2-inch Grade 70 chains would be required for a load of 34,500 lbs?
What does GCWR stand for?
What is the correct method of determining what percentage of fuel is distributed between the steer axle and the drive axles?
A good inspection habit is for the driver to re-inspect the cargo:
What is the maximum angle recommended for tiedowns securing cement pipe loaded crosswise, relative to the deck?
When securing flattened or crushed cars on a vehicle with containment on 2 sides, how many tiedowns, at minimum, are required?
A container chassis vehicle, by definition, is:
The maximum number of encroachments allowed on a particular exam exercise is:
Blocking is used to:
Oil, coolant, charging circuit warning lights should go out:
How many days worth of logbook entries must you have available to show during an inspection?