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COMBINATION PRACTICE TEST - NE CDL

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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. When approaching a vehicle with a distracted driver, you should:
change lanes quickly.
quickly pass the vehicle.
maintain your safe following distance.
sound your horn.
2. Hydroplaning:
never occurs at speeds below 40 mph.
only occurs at extremely high speeds.
can occur at speeds as low as 30 mph.
only happens when tire pressure is higher than normal.
3. When you have to back, you should always try to back toward the driver's side. Why?
Backing toward the left side is more dangerous.
You can watch the front of your vehicle by looking out the side window.
You can see better and watch the rear of your vehicle by looking out the side window.
All of the above.
4. If you get stuck on the railroad tracks, the first thing you should do is:
try to move your vehicle until you see the train.
immediately get out of the cab and move away from the tracks.
scream for help.
stay in your vehicle and call 911.
5. At passive railroad crossings, even if there are active railroad signals that indicate the tracks are clear, you must _________  to be sure it is safe to proceed.
go, stop and listen
stop, look, and listen
listen, look and stop
go, look and put the transmission in neutral
6. If your trailer starts to skid, you should:
pump the brakes.
steer in the opposite direction.
lock the brakes.
release the brakes.
7. As you approach off ramps and on ramps, remember:
to maintain your highway speed.
that the posted speed limit may not be safe for larger vehicles.
that downgrades make it easier to reduce speed.
to always brake and turn at the same time.
8. Which of the following is true about the trailer hand valve?
If used in driving it could cause the trailer to skid.
It should be used only to test the trailer brakes.
The trailer hand valve works the trailer brakes.
All of the above.
9. You should not use the trailer hand brake to straighten out a jackknifing trailer. Why?
You should use the emergency break instead.
The brakes on the trailer wheels will not respond.
The brakes on the trailer wheels caused the skid in the first place.
You should use the service break instead.
10. You should always try to back toward the driver's side because:
you can watch the rear of your vehicle out the side window.
you can more easily correct any steering errors.
backing toward the left side is more dangerous.
None of the above.
 
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NE 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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