CDL GENERAL KNOWLEDGE TEST (PENNSYLVANIA) - PRACTICE TEST
21.
When an aggressive driver confronts you, you should:
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avoid eye contact.
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make eye contact.
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return gestures and shouts.
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sound your horn and move to the left lane.
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22.
Before starting down a hill, you should:
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apply the brakes hard.
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slow down and shift to a lower gear.
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look for an escape route.
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release the accelerator and shift to Neutral at the same time.
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23.
Which surface is the most slippery?
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Wet pavement
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Ice that is not wet
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Wet ice
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Dry road
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24.
The liver can only process ______ of alcohol per hour, much ____ than the alcohol in a standard drink.
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1/8 an ounce; more
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one ounce; more
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one ounce; less
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1/3 an ounce; less
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25.
The _______ applies and releases the brakes when you use the brake pedal during normal driving.
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emergency brake system
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trailer brake system
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parking brake system
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service brake system
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26.
How can you determine your following distance?
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When the vehicle ahead of you passes a stationary object on the side of road, start counting the seconds it takes you to reach that same object.
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Pass a stationary object and count how many seconds it takes the vehicle ahead of you to reach that same object.
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When the vehicle ahead of you passes a stationary object such as a sign along the road, use the stopwatch on your smartphone to determine how long it takes you to reach that same object.
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None of the above.
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27.
When driving, you should:
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check your mirrors regularly.
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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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28.
When your rear wheels lock up, you may:
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lose steering control.
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gain better control of the vehicle.
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skid, jackknife, or spin
the vehicle.
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All of the above.
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29.
What is countersteering?
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Driving too fast for conditions.
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Locking your wheels while turning in an emergency situation.
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Turning the steering wheel quickly the other way after steering in an emergency situation.
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Staying off the brake while steering to the right to avoid an accident.
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30.
Axle weight is:
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the weight transmitted to the ground by one axle or one set of axles.
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the value specified by the manufacturer as the loaded weight of one axle.
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the maximum safe weight your tires can carry at a specified pressure.
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the weight of all the axles added together.
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