AK CDL DOUBLES TRIPLES PRACTICE TEST
11.
The last trailer of triples is ______ as likely to turn over as a five-axle tractor.
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4 times
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twice
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3.5 times
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12.
As you approach off ramps and on ramps, remember:
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that the posted speed limit may not be safe for larger vehicles.
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that downgrades make it easier to reduce speed.
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to always brake and turn at the same time.
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13.
A red triangle with an orange center means:
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Law enforcement vehicle
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Slow-moving vehicle
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The vehicle is hauling hazardous materials
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14.
When you turn suddenly while pulling doubles, which trailer is most likely to turn over?
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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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15.
When the wheels of a trailer lock up, which of the following is most likely to occur?
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The trailer will tend to push the towing vehicle sideways (tractor jackknife).
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The trailer will tend to swing around (trailer jackknife).
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The trailer will the trailer
has overturn.
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16.
During a walk around inspection of a double or triple trailer, make sure that the converter dolly air tank drain valve is _____ and the glad hands are ______.
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open; not connected
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closed; properly connected
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open; properly connected
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17.
The ABS malfunction lamp on the instrument panel is:
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Red
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Yellow
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Orange
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18.
If a load is 10 feet long, the minimum number of tie-downs required is:
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3
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1
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2
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19.
When checking the lights before driving:
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make sure the parking brake is not set.
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you should turn off the engine.
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you should check them from inside the vehicle.
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20.
Too much weight on the steering axle can cause:
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better handling.
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poor traction.
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hard steering and damage to the steering axle and tires.
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