DOUBLES TRIPLES TEST CT - CDL PRACTICE TEST
11.
You should test the coupling by:
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applying the parking brakes so the rig will not move.
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locking the pintle hook.
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disconnect the safety chains.
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pulling against the pin of the second semitrailer.
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12.
A trailer jackknife is more likely to happen when the trailer is:
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overloaded.
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empty.
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loaded to its full capacity.
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None of the above.
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13.
You should do an after-trip inspection:
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after each trip.
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at least once a week.
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once a month.
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after each stop.
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14.
With brake drums, if brakes become too hot:
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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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your ABS will malfunction.
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The brakes may stop working
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15.
The service line is also called:
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brake line.
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control line.
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power line.
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cable line.
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16.
Texting while operating a commercial motor vehicle is:
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acceptable if you are contacting your supervisor.
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acceptable if you are contacting your dispacther.
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illegal.
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only allowed at night.
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17.
Which of the following is not proper tie-down equipment:
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Ropes
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Chains
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Bungee cords
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Straps
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18.
Which of the following vehicles is most likely to turn over?
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3 axle tractor semitrailer
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5 axle tractor semitrailer
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Triple trailer
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65 ft. conventional double
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19.
If there is a fire in your vehicle, do NOT:
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notify emergency services.
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pull into a service station.
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park away from buildings and other vehicles.
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park in an open area.
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20.
Which of the following statements about doubles/triples is true?
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Doubles/triples are more stable than other CMVs.
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A safe speed on a curve for a single trailer combination vehicle may be too fast for a double/triple.
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Doubles/triples may have to go faster around corners than single trailer combination vehicles.
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All of the above.
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