1.
An item that is 15 feet long placed on a flatbed trailer should have at least:
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2 tie-downs.
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3 tie-downs.
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1 tie-down.
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2.
Having ABS on only the trailer:
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still gives you more control over your vehicle during braking.
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makes the trailer more likely to swing out.
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is very dangerous.
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3.
Air brakes:
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are an effective way to stop large and heavy vehicles.
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should be used only when driving on wet roads.
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are prohibited on larger vehicles.
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4.
In combination vehicles with air brakes, the trailer air supply control should pop out when the air pressure falls within the range of:
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100 to 120 psi
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10 to 20 psi
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20 to 45 psi
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5.
In combination vehicles with air brakes, the trailer air supply control:
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is used to control the tractor protection valve.
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is a coupling devices used to connect the service and emergency air-lines from the tractor to the trailer.
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is used to keep the trailer behind the tractor.
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6.
Anti-lock brakes:
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increase your stopping distance.
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help you stop faster.
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keep your brakes from locking up when you brake hard.
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7.
When driving on slippery roads, you should NOT:
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use the engine brake.
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go slowly.
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try to anticipate stops early.
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8.
A trailer jackknife is more likely to happen when the trailer is:
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empty.
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overloaded.
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loaded to its full capacity.
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9.
If you will be transporting hazardous materials that require placards, you must:
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transport the materials at night only.
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obtain a hazardous materials endorsement.
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obtain a special transit permit.
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10.
Overloading can have negative effects on:
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steering.
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braking.
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All of the above.
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