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Drivers who want to drive combination vehicles must pass the combination vehicles test. The Nebraska CDL combination test consists of 20 questions, and you'll need at least 16 correct answers to pass (80%). The test covers the combination vehicles section of the Nebraska CDL Manual. Take this practice test now to prepare for the actual NE CDL combination test!
1. Empty trucks:
require a shorter stopping distance than full trucks.
require the same stopping distance than full trucks.
require a greater stopping distance than full trucks.
None of the above.
2. A truck tractor with _________ requires the shortest stopping distance.
an empty trailer
a lightly loaded trailer
a fully loaded trailer
Weight has no impact on stopping distance.
3. When checking the lights before driving:
make sure the parking brake is not set.
you should turn off the engine.
the engine must be running.
you should check them from inside the vehicle.
4. On a tractor-trailer equipped with a trailer brake hand valve, the hand valve can be used to:
reduce the chance of the front wheels skidding.
keep from rolling back.
prevent movement of cargo.
hold compressed air.
5. What happens when the center of gravity of a truck moves higher up from the road?
The truck becomes easier to turn over.
It is easier it is to turn around corners.
The vehicle is more stable while turning.
It becomes much easier to downshift at the right rpm.
6. If a drawbridge does not have a signal light or traffic control attendant, you should:
drive through the drawbridge with caution.
stop and look to make sure the draw is completely closed before crossing.
stop at least 5 feet before the draw of the bridge.
get through the drawbridge as quickly as possible.
7. If a worker is close to the roadway in a work zone, you should:
drive at the posted speed limit.
pull off the road and stop.
reduce your speed below the posted speed limit.
drive on the shoulder.
8. To prevent rollover, you should:
turn the engine off while turning.
drive slowly around corners.
drive in the left lane.
drive on the shoulder of the road when possible.
9. If driving a heavy vehicle, you should:
stay in the right lane.
stay in the left lane.
avoid braking.
try to pass other vehicles going uphill.
10. The service line is also called:
pressure line or signal line.
carrier line or control line.
signal line or air line.
control line or signal line.
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NE CDL Combination Test

Number of questions: 20
Correct answers to pass:16
Passing score:80%
Number of questions: 20
Correct answers to pass:16
Passing score:80%
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