ARIZONA CDL DOUBLES TRIPLES PRACTICE TEST
11.
When inspecting the coupling, how much space should there be between the upper and the lower fifth-wheel?
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It depends on the trailer
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None.
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½ inch
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12.
Which of the following is not a sign of fatigue?
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Keeping a steady speed
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Frequent blinking
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Rubbing eyes
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13.
When driving in hot weather, drivers should inspect tires:
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every 3 hours or every 75 miles.
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every 2 hours or every 100 miles.
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every 4 hours or every 200 miles.
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14.
How does ABS help you?
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ABS helps you avoid wheel lock up and maintain control when you brake hard on slippery surfaces.
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ABS makes stab braking more effective.
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ABS replaces your normal brakes and helps you to stop faster.
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15.
When driving with more than one trailer, the _______ trailer should be the first one behind the tractor.
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lightest
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shortest
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heaviest
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16.
When driving double and triple trailers, drivers should:
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allow more following distance.
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steer gently and go slowly around corners.
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All of the above.
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17.
You must have at least 4/32 inch tread depth in every major groove on front tires and at least ___ inch on other tires.
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4/32
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2/32
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1/32
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18.
With low beams, drivers can see ahead about:
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15 feet
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250 feet
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100 feet
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19.
It is safer to drive over (rather than to avoid) which of the following?
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Paper and cloth sacks
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Cardboard boxes
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None of the above.
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20.
With the controlled braking method:
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you apply your brakes as hard as possible without locking the wheels.
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you lightly tap the brakes.
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you apply your brakes all the way and release the brakes when the wheels lock up.
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