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Drivers who want to drive combination vehicles must pass the combination vehicles test. The Michigan 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 Michigan CDL Manual. Take this practice test now to prepare for the actual MI CDL combination test!
1.
Which of the following is not a reason for covering cargo?
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To prevent other drivers from looking at the cargo
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To protect the cargo from weather
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To protect people from spilled cargo
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2.
Inspecting the fifth-wheel does NOT include:
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checking the area around the vehicle.
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ensuring the fifth wheel is in the proper position for coupling.
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making sure that the fifth-wheel plate is greased as required.
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3.
If you will be transporting hazardous materials that require placards, you must:
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obtain a hazardous materials endorsement.
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transport the materials at night only.
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obtain a special transit permit.
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4.
When checking your tires during a pre-trip inspection, which of the following is acceptable?
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Cracks in the tires
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Tires made by different manufacturers
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Dual tires that come in contact with parts of the vehicle
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5.
The proper following distance for a 60-foot vehicle traveling at 50 mph is:
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7 seconds
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6 seconds
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4 seconds
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6.
If during vehicle inspection a tire is too hot to touch, you should:
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remain stopped until the tire cools off.
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let air out.
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immediately decrease air pressure.
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7.
If a vehicle is equipped with ABS, when you start the engine:
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the ABS indicator light on the dash should come on and then turn off.
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the wheels will lock up.
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the spring brakes will come on.
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8.
When the ______ closes, it stops any air from going out of the tractor.
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hand valve
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height control valve
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tractor protection valve
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9.
You are coupling a tractor to a semi-trailer. You have backed up but are not yet under the trailer. Before backing under the semi-trailer, you should:
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connect the electrical cord and check the air lines.
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supply air to the trailer system and lock the trailer brakes.
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begin raising the landing gear.
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10.
How many red reflective triangles should you carry?
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3
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2
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5
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