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Drivers who want to drive combination vehicles must pass the combination vehicles test. The Kansas 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 Kansas CDL Manual. Take this practice test now to prepare for the actual KS CDL combination test!
1. When backing a truck you should:
look straight ahead.
back and turn toward the right side.
get out and walk around the vehicle before you begin to back.
always rely on your mirrors.
2. Headlights:
must be turned on a half hour before sunset to a half hour after sunrise.
should be out of adjustment.
should not be used when driving at night.
can blind other drivers.
3. Cargo tie-downs are used to:
keep cargo from shifting or falling.
prevent freezing.
prevent right-turn accidents.
prevent skidding.
4. Why should you cover your cargo?
To protect people from spilled cargo.
To protect the cargo from weather.
Because spill protection is a safety requirement in many states.
All of the above.
5. Passive railroad crossings:
do not have traffic control devices.
have at least one traffic control device.
should never be crossed using a CMV.
usually have a person directing traffic.
6. When inspecting the coupling, make sure ________ between the upper and the lower fifth-wheel.
there is no space
there are at least 36 inches
there are 10 feet
there is at least 1 foot
7. Which of the following is NOT part of testing the tractor protection valve?
Pulling forward slowly, then applying the trailer brakes.
Stepping on and off the brake pedal several times to reduce the air pressure in the tanks.
Shutting off the engine.
Charging the trailer air brake system.
8. When you are uncoupling a loaded trailer, lower the landing gear until:
it makes firm contact with the ground.
the pressure in the system is above 55 psi.
the tractor frame is under the trailer.
makes contact with the ground, and leave the trailer off the fifth wheel.
9. To prevent rollover, drivers of combination vehicles should:
make sure the cargo is not centered and spread out.
brake while turning.
keep the load is to one side.
keep the cargo as close to the ground as possible.
10. You are driving a combination vehicle and must use your brakes to avoid a crash. You should:
brake lightly and hold the steering wheel firmly.
use stab braking or controlled braking.
push the brake pedal as hard as you can and hold it there.
use the parking brake.
 
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KS CDL Combination Test

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