1.
If a load is 50 feet long, the minimum number of tie-downs required is:
5
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4
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10
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3
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2.
Over-length loads:
require special driving care.
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require special transit permits.
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may require special equipment such as "wide load" or flags.
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All of the above.
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3.
If you get stuck on the railroad tracks, the first thing you should do is:
stay in your vehicle and call 911.
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try to move your vehicle until you see the train.
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scream for help.
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immediately get out of the cab and move away from the tracks.
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4.
When checking the air and electric lines to the trailer, be sure that the air lines are properly connected to the gland hands, and are:
secured with enough air leaks for turns.
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secured with enough slack for turns.
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properly greased.
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None of the above.
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5.
Your vehicle has hydraulic brakes. When you press the brake pedal while driving and the pedal goes to the floor, remember that:
shifting into neutral may help slow the vehicle.
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the parking brake should never used to slow the vehicle.
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pumping the brake pedal may generate enough hydraulic pressure to stop the vehicle.
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All of the above.
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6.
If you are driving a 30 foot vehicle at 35 mph, you should leave at least _______ between your vehicle and the vehicle in front of you.
4 seconds
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2 seconds
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3 seconds
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1 seconds
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7.
In combination vehicles with air brakes, the trailer air supply control:
is used to control the tractor protection valve.
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supplies air to the trailer air tanks.
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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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8.
What is the proper following distance for a 50 foot truck traveling at 50 mph?
10 seconds
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5 seconds
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25 seconds
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6 seconds
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9.
With brake drums, if brakes become too hot:
the brakes may stop working.
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your ABS will malfunction.
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the brakes will supply too much power to the drive wheels.
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the air compressor will kick on to cool the brakes.
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10.
Enough tread is especially important in winter conditions. You need at least ________ tread depth on steering axle tires.
8/32 inch
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2/8 inch
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4/32 inch
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6/24 inch
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