CDL PRACTICE TEST (AZ) - GENERAL KNOWLEDGE TEST
21.
Tire load is defined as:
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the maximum safe weight a tire can carry at a specified pressure.
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the minimum safe weight a tire can carry at a specified pressure.
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the weight transmitted to the ground by 1 tire.
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22.
When going down long, steep downgrades, you should:
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downshifting and then use the brakes.
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try not to use the brakes.
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only use the brakes.
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23.
When driving past parked vehicles, you should:
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turn on your taillights.
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sound your horn.
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watch for clues that the parked vehicle is about to move.
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24.
If ABS is not working:
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you should stay off the brake.
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the brakes will lock up.
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a yellow malfunction lamp will light up on the control panel.
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25.
Vehicles must be equipped with emergency equipment, including:
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spare electrical fuses.
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horn.
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2 battery-operated flashlights.
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26.
If the low air pressure warning light comes on, you should:
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stop immediately.
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continue to drive normally.
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call for help.
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27.
You are driving a 30-foot vehicle at 35 mph. You should allow at least ______ of following distance between your vehicle and the vehicle in front of you.
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3 seconds
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2 seconds
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4 seconds
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28.
In coming down a long, steep downgrade, which of the following is NOT a factor you should consider to select an appropriate safe speed?
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Steepness of the grade
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Road conditions
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Your schedule
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29.
When inspecting mirrors and windshields for dirt, cracks, illegal stickers, and other obstructions to seeing clearly, you should:
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write all necessary adjustments in your pre-trip inspection.
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leave it as is and write any instructions or notes on the vehicle inspection guide.
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clean and adjust as necessary.
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30.
In which of the following situations should you check your mirrors more often?
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When driving on a single lane road.
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When changing lanes or merging.
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When driving on a narrow road.
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