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.
packed snow
the weight of the cargo
water on the road
warm temperatures
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.
25 psi
75 psi
50 psi
100 psi
33. If you have a manual transmission, when stopping don't _______ until the engine rpm is down close to idle.
push the clutch in
shift to second gear
place the transmission in park
apply the brakes
34. Using a helper when backing up is:
encouraged.
illegal.
not recommended.
dangerous.
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:
high center of gravity.
too much weight on the steering axles.
under loaded front axles.
too little weight on the driving axles.
36. To prevent rolling back when you start, if you have a manual transmission you should:
partly engage the clutch before you take your right foot off the brake.
over-accelerate.
never the parking brake.
use the lowest reverse gear.
37. If the air pressure gets too low:
the brakes will not work.
you should set the parking brake.
the brakes will lock up.
ABS will help maintain vehicle control.
38. Distracted driving can cause collisions. Which of the following can distract your attention while you are driving?
Driving below the speed limit.
Listening to music.
Talking to passengers.
All of the above.
39. When you are prescribed medications, you should:
also take medications that prevent drowsiness to stay alert.
stop taking the medication if you notice it is affecting your driving ability.
ask your doctor if the drug will affect safe driving ability.
None of the above.
40. Before transporting sealed loads, you should check that:
the load is properly secured.
the seal numbers match the placard numbers.
the load can be inspected.
All of the above.
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