CDL GENERAL KNOWLEDGE TEST (COLORADO) - PRACTICE TEST
31.
To maintain alertness while driving, you should:
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have another person ride with you.
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avoid heavy foods.
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avoid medications that cause drowsiness.
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All of the above.
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32.
Fully loaded trucks require greater stopping distances than empty vehicles. True or False?
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True, but only if the truck was built after 1998.
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True, but only on wet surfaces.
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False.
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True.
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33.
When inspecting your vehicle, before checking the engine compartment be sure that:
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all lights are working.
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the parking brakes are on and/or wheels chocked.
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the fire extinguisher is properly charged and rated.
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all tires are properly inflated.
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34.
You are driving on a steep downgrade in the proper low gear. Your "safe" speed is 40 mph. When your speed reaches 40 mph, you should:
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increase your speed to approximately 45 mph, and then apply release the brakes.
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apply the brakes to gradually reduce your speed to 35 mph, and then release the brakes.
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apply the brakes to quickly reduce your speed to 25 mph, and then release the brakes.
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maintain your current speed, and apply the brakes when you reach 50 mph to gradually reduce your speed to 40 mph.
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35.
As you approach a turn, do not coast unsafely. Unsafe coasting occurs when:
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you downshift for less than the length of your vehicle.
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you don't use turn signals before making a turn.
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your vehicle is out of gear for more than the length of your vehicle.
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you downshift before making a turn.
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36.
When you have to back, you should always try to back toward the driver's side because:
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you can see better and watch the rear of your vehicle out the side window.
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backing toward the left side is more dangerous.
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it feels more natural.
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None of the above.
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37.
Your mirrors should be adjusted so that:
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more than half of the mirror shows the vehicle.
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no part of the vehicle is visible in the mirror.
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the rear of the vehicle is visible in the mirror.
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a part of the vehicle is visible in the mirror.
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38.
Retarders:
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reduce brake wear.
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help slow a vehicle.
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reduce the need for using your brakes.
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All of the above.
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39.
If ABS is not working:
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the brakes will lock up.
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you should stay off the brake.
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a yellow malfunction lamp will light up on the control panel.
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you should pump the brakes.
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40.
While crossing railroad tracks, you should:
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shift up.
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shift down.
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not shift gears.
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stop, then look and listen for the train.
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