1.
What is the proper following distance for a 40 foot truck traveling at 35 mph?
12 seconds
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10 seconds
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4 seconds
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2.
After supplying air to the trailer brake system, you should check the brake system for crossed air lines by:
shutting the engine off so you can hear the brakes.
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applying and releasing the trailer brakes and listening for the sound of trailer brakes.
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All of the above.
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3.
On front tires, tread should be at least:
4/16 inch
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4/32 inch
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2/32 inch
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4.
How many red reflective triangles should you carry?
2
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3
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5
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5.
Older trailers do not have spring brakes. If the air supply leaks away:
the ABS won't work properly.
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the trailer will stop normally.
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there will be no emergency brakes.
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6.
When you turn suddenly while pulling doubles, which trailer is most likely to turn over?
The rear trailer is twice as likely to turn over as the tractor.
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The front trailer is twice as likely to turn over as the tractor.
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All trailers are equally likely to turn over.
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7.
When driving a combination vehicle, which of the following 2 things will help you prevent a rollover?
Keeping the cargo near the ground and driving slowly around turns.
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Keeping cargo near the center of the vehicle and driving slowly on turns.
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Keeping cargo near the center of the vehicle and driving slowly on the highway.
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8.
When transporting cargo, cargo securement must be checked within the first _____ miles of a trip and every _____ miles after.
50; 250
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100; 150
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50; 150
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9.
The parking brake:
should be used whenever you park.
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should be used when driving in bad weather.
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should be used when you need to apply the brakes firmly.
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10.
If your cargo only fills one-third of the length of your trailer, make sure your cargo is:
to one side and as close to the ground as possible.
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piled up high with heavy cargo on top.
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centered and spread out as much as possible.
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