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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.
When approaching a stopped bus, you must be aware that:
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a student may be driving the bus.
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passing a stopped bus is illegal.
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passengers may cross in front of or behind the bus.
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passengers crossing in front of the bus can always see you.
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2.
During a trip:
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you should watch gauges for signs of trouble.
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you should not watch gauges as they can be misleading.
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you should watch gauges to make sure that valve caps are not missing.
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None of the above.
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3.
If your brakes get wet, it can cause them:
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to be weak.
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to apply unevenly.
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to grab.
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All of the above.
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4.
When approaching a vehicle with a distracted driver, you should:
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quickly pass the vehicle.
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change lanes quickly.
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sound your horn.
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maintain your safe following distance.
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5.
Emergency lines on combination vehicles are often coded with the color ____ to keep from getting them mixed up with the ____ service line.
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red; yellow
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yellow; black
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red; blue
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blue; red
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6.
By pushing the trailer air supply control knob in, you:
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keeps air in the tractor or truck brake system.
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supply the trailer with air.
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supply the tires with air.
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shut the air off and put on the trailer emergency brakes.
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7.
On any upgrade, gravity:
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doubles your speed.
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doesn't affect your speed.
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slows you down.
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speed you up.
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8.
A bridge formula permits less maximum axle weight for axles that:
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have poor weight balance
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are further apart than normal
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are closer together
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have a high center of gravity
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9.
When transporting cargo, cargo securement must be checked within the first _____ miles of a trip and every _____ miles after.
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50; 150
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50; 250
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100; 150
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150; 250
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10.
If you will be transporting hazardous materials that require placards, you must:
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ask permission of the local transportation agency.
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obtain a hazardous materials endorsement.
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obtain a special transit permit.
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transport the materials at night only.
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