DOUBLES TRIPLES TEST IN - CDL PRACTICE TEST
11.
Texting is:
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safer than talking on a cell phone.
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the most dangerous distraction.
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safer than engaging in conversation with a passenger.
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about as safe as adjusting the radio.
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12.
When you back under a trailer:
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make sure the trailer brakes are locked.
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use lowest reverse gear.
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back the tractor slowly.
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All of the above.
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13.
If you must drive slowly, how should you alert following drivers?
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Flash your brake lights
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Use your emergency flashers if it is legal
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Help them out by signaling when it is safe to pass
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Turn on your taillights
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14.
When backing, you should:
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back and turn toward the right side.
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avoid using the mirrors.
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back quickly.
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use a helper if possible.
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15.
You are more at risk of being fatigued:
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after getting more than 8 hours of sleep.
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when stopping periodically during long trips.
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when driving during the day.
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when driving alone.
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16.
Which of the following will off-track the most?
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The front wheels of the tractor.
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The front wheels of the last trailer.
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The rear wheels of the last trailer.
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The rear wheels of the tractor.
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17.
Rims with welding repairs:
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are acceptable only when carrying a heavy load.
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can be used for tires in the rear of the vehicle.
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can be used for tires in the front of the vehicle.
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are not safe.
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18.
Because of the "crack-the-whip" effect, doubles and triples:
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are much slower than other combination vehicles.
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are more likely to turn over than other combination vehicles.
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can go much faster than other combination vehicles.
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are more likely to run out of gas than other combination vehicles.
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19.
Which of the the following statements about fatigue is true?
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Fatigue may cause you to not see and react to hazards.
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Fatigue impairs your vision and judgment.
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Fatigued driving is one of the leading causes of accidents.
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All of the above.
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20.
Watch out for black ice:
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when it is snowing.
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any time the temperature is below freezing and the road looks wet.
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when the temperature is above freezing and the road is dry.
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right after it starts to rain.
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