This sign means: Four-lane traffic ahead.Divided highway ahead.Two-way traffic ahead.Intersection ahead. The Correct Answer and Explanation is : The correct answer is “Two-way traffic ahead.” This sign indicates that the road ahead will have traffic moving in both directions. It’s important for drivers to be aware of this because it may involve changes in traffic […]
If the emergency air line loses pressure:AnswersThe service brakes will activate.The tractor protection valve will close.The rear trailer will detach from the combination. The Correct Answer and Explanation is : The correct answer is: The tractor protection valve will close. Explanation: In a tractor-trailer combination, the emergency air line is crucial for the safe operation
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A loss of air pressure in the emergency line will cause:AnswersThe service brakes to activate.The tractor protection valve to close.The rear trailer to detach from the combination. The Correct Answer and Explanation is : The correct answer is “The tractor protection valve to close.” Explanation: In commercial vehicles, especially those with a combination of a
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When driving from a private road or driveway, you do not have to stop before crossing a sidewalk.AnswersTrueFalse The Correct Answer and Explanation is : The correct answer is False. When driving from a private road or driveway onto a public road, you must stop before crossing a sidewalk. This rule is enforced to ensure
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When you are merging onto the freeway, you should be driving:AnswersAt or near the speed of traffic on the freeway.Five to 10 mph slower than the speed of traffic on the freeway.The posted speed limit for freeway traffic. The Correct Answer and Explanation is : The correct answer is: At or near the speed of
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You are approaching a railroad crossing that has no visible gates or flashing lights, but has a standard crossbuck. You should:AnswersApproach all tracks with extreme caution and cross only when you know that there is no train coming.Turn your radio down to hear if there may be an approaching train.Only continue once cleared to do
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What should you be most concerned about when you see this sign? Driving with your headlights out of alignment because one side of your car is higher than the other.Damaging a tire from drifting onto the shoulder.Hydroplaning, if the shoulder has water on it.Losing control of the vehicle if you drift onto the shoulder. The
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You are entering a freeway. Check traffic on the freeway by:AnswersUsing your rearview and side mirrors.Using your rearview mirror.Using your side mirror and looking over your shoulder. The Correct Answer and Explanation is : The correct answer is Using your side mirror and looking over your shoulder. When entering a freeway, it’s important to assess
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To enter a freeway:AnswersSignal, yield to existing traffic, and enter at the same speed that traffic is moving.Signal and enter the freeway. Freeway traffic must yield.Drive slowly so you can check traffic.Always come to a complete stop first. The Correct Answer and Explanation is : The correct answer is: Signal, yield to existing traffic, and
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This sign means: Don’t drink if you are going to drive.Slippery when wet.Road curves ahead.You are approaching a hill. The Correct Answer and Explanation is : The correct answer is Slippery when wet. This sign is a warning sign that indicates the road surface can become slippery when it is wet, such as during rain,