CDL GENERAL KNOWLEDGE TEST (ALASKA) - PRACTICE TEST
21.
Railroad crossings with steep approaches:
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require drivers to increase their speed before crossing the tracks.
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require drivers to shift gears while crossing the tracks.
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can cause your unit to hang up on the tracks.
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22.
If you triple the speed from 20 to 60 mph the impact and braking distance is:
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9 times greater.
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6 times greater.
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3 times greater.
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23.
An antilock braking system (ABS):
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in order to work, requires you to apply the brakes as hard as you can.
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requires a change in the way you brake.
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None of the above:
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24.
When making a turn, you should cancel your turn signal:
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once you have completed the turn.
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once more than half of your vehicle is round the turn.
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once the rear end of your cab has cleared the turn.
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25.
Which of these vehicles must come to a complete stop at railroad grade crossings?
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Heavy equipment
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School buses
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All of the above.
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26.
To keep cargo from shifting or falling off, cargo should have at least one tie-down for every ___ feet of cargo.
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10
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5
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15
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27.
Backing is dangerous because:
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cargo may fall out.
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you cannot see everything behind your vehicle.
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you have to turn the steering wheel toward the direction you want to go.
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28.
Which of the following is not a type of retarder?
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Hydraulic
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Exhaust
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Pressure
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29.
If your brakes fail while you are driving on a downgrade, you should:
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use an escape ramp if it's available.
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take the least hazardous escape route you can.
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All of the above.
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30.
Before transporting a sealed load, make sure:
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that there is a picture of its contents.
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that the load can be inspected.
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that you don't exceed gross weight and axle weight limits.
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