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Drivers who want to drive combination vehicles must pass the combination vehicles test. The Utah 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 Utah CDL Manual. Take this practice test now to prepare for the actual UT CDL combination test!
1. During a trip:
you should watch gauges for signs of trouble.
you should not watch gauges as they can be misleading.
you should watch gauges to make sure that valve caps are not missing.
None of the above.
2. Combination vehicles _________ than single CMVs.
require more driving skill
are much easier to drive
are safer in bad weather
All of the above.
3. When coupling, you should:
make sure the sliding fifth-wheel is locked.
be aware that wrong coupling and uncoupling can be very dangerous.
make sure the trailer wheels are not chocked.
make sure the trailer kingpin is bent.
4. Inspecting the fifth-wheel does NOT include:
backing until the fifth-wheel just touches the trailer.
making sure that the fifth wheel is in the proper position for coupling.
checking that there are no cracks in the frame.
checking for missing or damaged parts.
5. When a vehicle goes around a corner, the rear wheels:
follow the same path as the front wheels.
will lock up.
follow a different path than the front wheels.
will turn freely.
6. If are being followed closely, you should:
decrease your following distance.
change lanes quickly.
increase your following distance.
flash your brake lights.
7. Banked curves:
have a safe "design speed".
can be taken at any speed.
should always be avoided.
are reserved for pedestrians.
8. If your vehicle gets stuck on the railroad tracks, you should:
get out of your vehicle and away from the tracks.
check for identifiable landmarks to give the location of the crossing.
gather up your paperwork and shipping papers while calling 911, then get out of the vehicle.
All of the above.
9. You are driving a combination vehicle and must use your brakes to avoid a crash. You should:
use the parking brake.
brake lightly and hold the steering wheel firmly.
push the brake pedal as hard as you can and hold it there.
use stab braking or controlled braking.
10. Which of the following is NOT a warning sign of fatigue?
Frequent blinking
Heavy eyelids
Driving at the speed of the traffic
Trouble remembering the last few miles driven
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UT CDL Combination Test

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