CORRECT ANSWERS
You are testing the stopping action of service brakes on a hydraulic system. Which of
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these can mean there is a problem? - Correct Answer - Stopping action is delayed
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Which of these statements about downshifting for a long downhill grade is true? -
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Correct Answer - It allows engine compression and friction to help the brakes slow the
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vehicle
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For an average commercial vehicle, being driven at 55 mph on dry pavement it will take
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about ____ to bring the vehicle to a stop. - Correct Answer - The length of a football
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field
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Which of these statements about staying alert to drive is true? - Correct Answer - The
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only thing that can cure fatigue is sleep
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The distance that you should look ahead of your vehicle while driving amounts to about
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____ at highway speed. - Correct Answer - 1/4 mile
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You are checking your wheels and rims for a pre trip inspection. Which of these
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statements is true? - Correct Answer - Rust around wheel nuts may mean that they are
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loose
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You do not have a hazardous materials endorsement on your commercial driver's
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license. You are asked to haul hazardous materials in a placarded vehicle. You should:
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- Correct Answer - Refuse to haul the load
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The purpose of a baffle is to: - Correct Answer - Control the load surge
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You must park on the side of a level, straight, two lane road. Where should you place
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the three reflective triangles? - Correct Answer - One within 10 feet of the rear of the
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vehicle, one about 100 feet to the rear, and one about 100 feet from the front of the
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vehicle
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What happens when tar heats up? - Correct Answer - It makes the road more slippery?
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To give adequate warning when passing someone, you should? - Correct Answer - Tap
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the electrical horn first
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