CDL DOUBLES PRACTICE TEST VERMONT
11.
When parked on the side of the road, you should:
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flash your brake lights.
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use the 4-way emergency flashers.
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turn off all lights.
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12.
During freezing weather, which area is most likely to be slippery after it rains?
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Shaded areas.
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Bridges.
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All of the above.
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13.
The safety valve installed in the first tank the air compressor pumps air is set to open:
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if there is too much pressure.
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at 30 psi.
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if there is too little pressure.
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14.
You have two tie-downs on a 15 foot load. How many more tie-downs do you need to secure cargo and keep it from shifting or falling?
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None
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Two
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One
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15.
It may not be safe to operate at legal maximum weights:
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on two-way streets.
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during bad weather or in mountains.
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in hot weather.
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16.
Warnings on low bridges or underpasses:
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must be posted.
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are always posted.
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are often posted, but sometimes they are not.
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17.
What should you do if you doubt you have safe space to pass under a low bridge?
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Increase the weight of your vehicle to clearing under the bridge.
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Go slowly, and take another route if you are not sure you can make it.
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If no warnings are posted, assume there is enough clearance under the bridge and proceed slowly.
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18.
When possible, you should park:
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on the shoulder.
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so you will be able to pull forward when you leave.
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so you will have to back up when you leave.
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19.
When approaching a double railroad track, you should:
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rely upon the presence of warning signals.
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remember that a train on one track may hide a train on the other track.
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expect to hear a train when it's approaching.
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20.
If there is a cargo fire in a van or box trailer, you should:
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enlist the help of bystanders.
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keep the doors shut.
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open the doors, especially if your cargo contains hazardous materials.
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