CDL GENERAL KNOWLEDGE TEST (TEXAS) - PRACTICE TEST
21.
When driving, you should check mirrors regularly to know where other vehicles are around you. Remember that:
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there are blind spots that your mirrors cannot show you.
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convex mirrors make things look larger and closer than they really are.
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you should check your after the start of any trip to make sure they are properly adjusted.
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every registered motor vehicle must have at least one mirror.
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22.
If driving a heavy vehicle, you should:
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stay in the left lane.
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stay in the right lane.
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try to pass other vehicles going uphill.
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avoid braking.
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23.
Black ice is:
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ice that makes the road look dry.
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a thin layer of black ice.
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a thick layer of ice.
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None of the above.
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24.
Which of the following statements about stopping distance is true?
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Reaction distance is the distance you will continue to travel, in ideal conditions, before you hit the brakes.
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Braking distance is the distance your vehicle will travel, in ideal conditions, while you are braking.
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Perception distance is the distance your vehicle travels, in ideal conditions, from the time your eyes see a hazard until your brain recognizes it.
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All of the above.
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25.
Which of these is NOT something you should check during the pre-trip inspection of the engine compartment?
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Worn electrical wiring insulation
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Engine oil level
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Brake controls
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Coolant level in radiator
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26.
When driving through a construction zone, you should:
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immediately come to a full stop and check for pedestrians.
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maintain your speed, unless there are people working on or near the roadway.
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turn on your parking lights.
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watch for pavement drop-offs.
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27.
When driving, you should:
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use your mirrors only when changing lanes.
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avoid checking your mirros often.
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avoid using your mirrors to spot overtaking vehicles.
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check your mirrors regularly.
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28.
When using mirrors, you should keep an eye on your tires:
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to spot a tire fire.
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to check tread depth.
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to see if they are rolling properly.
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to make sure they are properly inflated.
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29.
When driving in foggy conditions you should:
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slow down.
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speed up.
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drive on the shoulder.
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flash your brake lights.
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30.
The ABS malfunction lamp on the instrument panel is:
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Yellow
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Orange
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Red
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Blue
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