MN CDL DOUBLES TRIPLES PRACTICE TEST
11.
Placards are:
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devices placed below a vehicle to improve traction.
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signs put inside a vehicle used to warn others of hazardous materials.
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signs placed on a vehicle to identify the hazard class of the cargo.
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a type of safety equipment.
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12.
The ABS malfunction lamp on the instrument panel is:
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Blue
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Yellow
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Orange
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Red
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13.
You have two tie-downs on a 15 foot load. How many more tie-downs do you need to secure cargo and keep it from shifting or falling?
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None
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One
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Three
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Two
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14.
Which of the following may have reduced the clearances since the heights were posted at bridges and overpasses?
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Traffic
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Repaving of the road
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Rain
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The weight of a cargo
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15.
If you must stop on a one-way or divided highway, place your warning devices:
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10 feet, 100 feet, and 200 feet toward the approaching traffic.
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10 feet, 50 feet, and 150 feet toward the approaching traffic.
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100 feet, 200 feet, and 300 feet toward the approaching traffic.
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50 feet, 100 feet, and 150 feet toward the approaching traffic.
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16.
After starting the engine, the ABS light stays on. This means:
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the ABS is not working properly.
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the ABS is in Neutral.
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the ABS is working properly.
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the ABS oil level is not adequate.
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17.
Why should you cover your cargo?
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To protect people from spilled cargo.
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Because spill protection is a safety requirement in many states.
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To protect the cargo from weather.
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All of the above.
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18.
Before driving a vehicle with a dual air system, allow time for the air compressor to build up a minimum of ____ pressure in both the primary and secondary systems.
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75 psi
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25 psi
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50 psi
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100 psi
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19.
Texting is:
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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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safer than talking on a cell phone.
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the most dangerous distraction.
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20.
The posted speed for a curve that may be safe for a straight truck:
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is never safe for a double or triple.
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could be too fast for a double or triple.
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can be ignored when driving a double or triple.
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is likely to be safe for a double or triple.
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