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NE CDL AIR BRAKES PRACTICE TEST

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The air brakes endorsement applies to applicants who wish to drive a vehicle with air brakes in Class A, B, or C CDL. To drive a vehicle with air brakes, you must pass the air brake component of the Nebraska CDL knowledge test. The NE CDL air brakes test consists of 25 questions, and you'll need at least 20 correct answers to pass (80%). The test covers the information found in the air brakes section of the Nebraska CDL Manual. Take this NE CDL practice test now to prepare for the actual air brakes test!
1. The supply pressure gauges tell you how much air pressure:
is in the air tanks.
you are applying to the brakes.
is in the air brakes.
is going to the brake chambers.
2. Vehicles with ABS have ______ ABS malfunction lamps on the instrument panel.
orange
blue
green
yellow
3. The use of air brakes on a steep downgrade is only a supplement to:
the use of the "controlled braking" method.
the use of the parking brakes.
the use of the spring brakes.
the braking effect of the engine.
4. Which of the following is NOT part of the drum brake?
Brake drum
Axle
Return spring
Safety valve
5. The total stopping distance for vehicles with air brake systems is made up of __ different factors.
5
2
3
4
6. If you are feeling sleepy, you should:
pull off the road and rest.
drive faster.
get some coffee.
slow down.
7. After starting the engine, oil pressure should rise to a normal level:
within 6 minutes.
within 3 miles.
within 2 minutes.
within seconds.
8. Overloading a vehicle with cargo can have negative effects on all of the following except:
Steering
Braking
Weight limits
Speed control
9. If a load is placed on one side of the trailer:
a rollover is more likely.
your brakes won't work.
making turns may be easier.
the steering axle weight will be too light to steer safely.
10. Excessive use of the service brakes results in overheating. Too much heat can:
cause the brakes to squeak.
make the brakes stop working.
cause the brakes to grab.
cause the brakes apply unevenly.
 
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NE CDL Air Brakes Test

Number of questions: 25
Correct answers to pass:20
Passing score:80%
Number of questions: 25
Correct answers to pass:20
Passing score:80%
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