1.
Rollovers happen when drivers:
turn too slowly.
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stop too often.
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brake too hard.
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turn too fast.
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2.
If your vehicle thumps or vibrates heavily, it may be a sign that:
you need to shift up.
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one of the tires has gone flat.
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the engine belt is loose.
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the brakes have failed.
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3.
If a worker is close to the roadway in a work zone, you should:
pull off the road and stop.
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drive at the posted speed limit.
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drive on the shoulder.
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reduce your speed below the posted speed limit.
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4.
At speeds below 40 mph, you should leave at least one second in front of you for each ___ feet of vehicle length.
20
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30
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10
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5
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5.
If your trailer starts to skid, you should:
keep the rear of your vehicle close to the curb.
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use the trailer hand brake (if you have one) to straighten out the rig.
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release the brakes to get traction back.
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accelerate slightly.
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6.
Combination vehicles usually:
require more driving skill than single CMVs.
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are easier to drive than single than single CMVs.
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are shorter than single than single CMVs.
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All of the above.
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7.
Fully loaded rigs:
are much more likely to roll over than empty rigs.
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are less likely to roll over than empty rigs.
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are just as likely to roll over as empty rigs.
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None of the above.
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8.
When driving a combination vehicle, which of the following 2 things will help you prevent a rollover?
Keeping cargo near the ground and driving slowly on the highway.
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Keeping cargo near the center of the vehicle and driving slowly on the highway.
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Keeping cargo near the center of the vehicle and driving slowly on turns.
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Keeping the cargo near the ground and driving slowly around turns.
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9.
When the tractor protection valve closes, the trailer _______ brakes will come on.
parking
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hand
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service
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emergency
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10.
Dual tires:
should come in contact with each other whenever possible.
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should not come in contact with each other.
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should always come in contact with each other.
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are dangerous.
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