Knowledge Test Class A #2

FREE Ohio CDL Practice Test 2024 - DMV Practice Test

Your understanding of traffic signs, signals, right-of-way rules, trucking legislation, speed limits, vehicle inspection, and basic commercial vehicle safety will be put to the test in order to assist you in becoming a safer driver today. Every one of our 50 multiple-choice questions is based on the Ohio Commercial Driver License Handbook and relevant Ohio..

Your understanding of traffic signs, signals, right-of-way rules, trucking legislation, speed limits, vehicle inspection, and basic commercial vehicle safety will be put to the test in order to assist you in becoming a safer driver today. Every one of our 50 multiple-choice questions is based on the Ohio Commercial Driver License Handbook and relevant Ohio statutes. A tip and an explanation are provided for each question. It's a good idea to read the explanations for each question to learn more about the rule that's being assessed.

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1 . If feeling drowsy while driving, you should:

If you begin to feel drowsy while driving, the best thing to do is to stop and get some sleep. A driver trying to push on and finish a trip while fatigued is a major cause of fatal accidents.

2 . When starting the engine of a truck with a trailer, you can tell that your vehicle's ABS is not working if:

When turning on your vehicle's engine, the lights on the dash should come on and then turn off. If the ABS malfunction light stays on, the system is not working properly. In the case of a truck with a trailer, if the yellow light on the left rear of the trailer stays on once the engine has been started, the system is not working properly.

3 . When starting an engine, oil pressure should come up to a normal level:

Look at your truck's gauges when starting the engine. The oil pressure in an engine should come up to a normal level within seconds of the vehicle's engine being started.

4 . Do not base your decision to shift gears on:

One way to know when it is time to shift gears is to learn your vehicle's operating rpm range. You should shift up when your engine reaches the top of that range. You can also learn which speeds each gear is good for and shift up based on your speedometer.

5 . Roads are especially slippery when it first begins to rain because:

Roads are particularly slippery when it first begins to rain. The water mixes with oil drippings on the road that have not yet washed away, creating a slippery and dangerous mixture.

6 . People working on a disabled vehicle:

Be cautious when driving near people who are working on a disabled vehicle on the side of the road. They may be focused on the repair and not paying attention to nearby traffic.

7 . When loading a trailer, it is important to:

When loading cargo, it is important that the weight placed on each axle is neither too little nor too much. Inappropriate loading can interfere with steering, create inadequate wheel traction, or damage the axles.

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