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Drivers who want to drive combination vehicles must pass the combination vehicles test. The Nevada 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 Nevada CDL Manual. Take this practice test now to prepare for the actual NV CDL combination test!
1. When driving on slippery roads, you should NOT:
use the engine brake.
go slowly.
try to anticipate stops early.
watch far enough ahead to keep a steady speed.
2. If you smell exhaust fumes in the cab, you should:
wait for the next stop, then inspect your vehicle.
open the windows.
stop immediately.
remember to conduct a post-trip inspection.
3. To reduce the chance of rollover, you should:
put the lightest parts of the cargo under the heaviest parts.
place the cargo as high as possible inside the trailer.
distributed the cargo as low as possible inside the trailer.
None of the above.
4. You should use chocks when parking a trailer without spring brakes because:
the brakes will hold only as long as there is air pressure in the trailer air tank.
it helps prevent skids.
it helps prevent brake failure.
it is required by law.
5. Over-length loads:
require special driving care.
may require special equipment such as "wide load" or flags.
require special transit permits.
All of the above.
6. What is a pull up when referring to truck driving?
Using the speedometer to know when to shift up.
When a driver stops and pulls forward to get a better position.
A specific maneuver used to decelerate smoothly in the exit lane.
A driving maneuver used to pull your vehicle over to the side of the road and stop.
7. What is the proper following distance for a 40 foot truck traveling at 35 mph?
10 seconds
5 seconds
4 seconds
12 seconds
8. If you get stuck on the railroad tracks, the first thing you should do is:
immediately get out of the cab and move away from the tracks.
scream for help.
try to move your vehicle until you see the train.
stay in your vehicle and call 911.
9. Before leaving your vehicle unattended, you should:
Apply the parking brake.
Remove the keys.
Chock the wheels.
All of the above.
10. After supplying air to the trailer brake system, you should check the brake system for crossed air lines by:
applying and releasing the trailer brakes and listening for the sound of trailer brakes.
checking the air brake system pressure gauge for signs of major air loss.
shutting the engine off so you can hear the brakes.
All of the above.
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CDL Combination Test (NV)

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