GENERAL KNOWLEDGE CDL TEST NEBRASKA - PRACTICE TEST
31.
To make sure you always have overhead clearance, you must be aware that ________ may have reduced the clearances since the heights were posted.
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packed snow
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the weight of the cargo
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water on the road
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warm temperatures
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32.
Before driving a vehicle with a dual air system, allow time for the air compressor to build up a minimum of ____ pressure in both the primary and secondary systems.
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25 psi
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75 psi
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50 psi
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100 psi
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33.
If you have a manual transmission, when stopping don't _______ until the engine rpm is down close to idle.
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push the clutch in
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shift to second gear
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place the transmission in park
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apply the brakes
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34.
Using a helper when backing up is:
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encouraged.
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illegal.
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not recommended.
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dangerous.
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35.
Before each trip, you must make sure the truck is not overloaded and the cargo is balanced and secured properly. Hard steering can be caused by:
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high center of gravity.
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too much weight on the steering axles.
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under loaded front axles.
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too little weight on the driving axles.
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36.
To prevent rolling back when you start, if you have a manual transmission you should:
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partly engage the clutch before you take your right foot off the brake.
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over-accelerate.
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never the parking brake.
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use the lowest reverse gear.
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37.
If the air pressure gets too low:
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the brakes will not work.
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you should set the parking brake.
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the brakes will lock up.
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ABS will help maintain vehicle control.
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38.
Distracted driving can cause collisions. Which of the following can distract your attention while you are driving?
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Driving below the speed limit.
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Listening to music.
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Talking to passengers.
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All of the above.
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39.
When you are prescribed medications, you should:
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also take medications that prevent drowsiness to stay alert.
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stop taking the medication if you notice it is affecting your driving ability.
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ask your doctor if the drug will affect safe driving ability.
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None of the above.
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40.
Before transporting sealed loads, you should check that:
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the load is properly secured.
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the seal numbers match the placard numbers.
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the load can be inspected.
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All of the above.
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