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Drivers who want to drive combination vehicles must pass the combination vehicles test. The Arkansas 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 Arkansas CDL Manual. Take this practice test now to prepare for the actual AR CDL combination test!
1.
Overloading a vehicle with cargo can have negative effects on all of the following except:
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Weight limits
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Steering
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Speed control
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Braking
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2.
If you let air out of hot tires:
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as the tire cools, the air pressure will be too low.
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the tires will cool off much sooner.
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air pressure will increases, causing the tires to blow out.
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None of the above.
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3.
Do NOT use the parking brakes:
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when you park for less than two hours.
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to test that they work.
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when you leave your vehicle.
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if the brakes are very hot.
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4.
Which of the following makes a rollover more likely?
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Driving quickly around turns
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Keeping the cargo as close to the ground as possible
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Keeping the load centered on your rig
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Driving slowly around turns
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5.
When more cargo is piled up in a truck, the center of gravity moves:
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higher up from the road.
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closer to the ground.
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to the left side of the truck.
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to the right side of the truck.
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6.
When checking air brakes on combination vehicles, which of the following is NOT part of checking that air flows to all trailers?
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Using the trailer handbrake to provide air to the service line.
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Pulling tractor forward until the fifth-wheel comes out from under the trailer.
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Opening the emergency line shut-off valve at the rear of the last trailer.
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Going to the rear of the rig.
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7.
When driving trucks with trailers, drivers should:
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avoid making sudden movements with the steering wheel.
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decrease their following distance.
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make quick lane changes.
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push the brake pedal to the floor when braking.
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8.
Foundation brakes are used:
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only with the front wheels.
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only with the right wheels.
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at each wheel.
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only with the rear wheels.
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9.
When should you use chocks to park a trailer without spring brakes?
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Only when parking uphill
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Only when parking downhill
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Never
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Always
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10.
What is a pull up when referring to truck driving?
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Using the speedometer to know when to shift up.
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A specific maneuver used to decelerate smoothly in the exit lane.
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A driving maneuver used to pull your vehicle over to the side of the road and stop.
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When a driver stops and pulls forward to get a better position.
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