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Drivers who want to drive combination vehicles must pass the combination vehicles test. The Montana 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 Montana CDL Manual. Take this practice test now to prepare for the actual MT CDL combination test!
1.
At passive railroad crossings, even if there are active railroad signals that indicate the tracks are clear, you must _________ to be sure it is safe to proceed.
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go, stop and listen
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go, look and put the transmission in neutral
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stop, look, and listen
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listen, look and stop
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2.
When backing a trailer, if you turn the wheel left:
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the cab will go right and the trailer will go left.
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the cab and the trailer will go left.
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the cab and the trailer will go right.
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the cab will go left and the trailer will go right.
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3.
If a load is placed on one side of the trailer:
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your brakes won't work.
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a rollover is more likely.
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the steering axle weight will be too light to steer safely.
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making turns may be easier.
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4.
Brake fade results from, and is affected by:
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brakes out of adjustment.
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excessive heat caused by not relying on the engine braking effect.
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excessive heat caused by using the brakes too much.
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All of the above.
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5.
Which of the following statements about off-tracking is true?
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When a vehicle goes around a corner, the rear wheels follow the same path as the front wheels.
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Longer vehicles off-track less.
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If there is more than one trailer, the rear wheels of the last trailer will off-track the most.
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None of the above.
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6.
Containerized loads:
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must be inspected before and after the trip.
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should exceed gross weight and axle weight limits.
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are generally used for freight carried part way by rail or ship.
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All of the above.
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7.
You are driving a modern truck with a manual transmission. When going down a hill you should usually:
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downshift after your
speed has already built up.
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use a lower gear than would be required to go up the hill.
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shift into neutral and coast.
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use the same gear you would use to go up the hill.
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8.
When more cargo is piled up in a truck, the center of gravity moves:
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to the left side of the truck.
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closer to the ground.
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higher up from the road.
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to the right side of the truck.
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9.
When backing a tractor under a trailer, you should:
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always use the lowest reverse gear.
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stop before when the kingpin is locked into the fifth wheel.
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back at an angle.
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All of the above.
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10.
An Anti-lock Braking System:
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increases the distamce required to stop on slippery surfaces.
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lets you brake faster.
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keeps your wheels from locking when you brake hard.
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increases a vehicle's stopping power.
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