MN CDL DOUBLES TRIPLES PRACTICE TEST

11. Placards are:
devices placed below a vehicle to improve traction.
signs put inside a vehicle used to warn others of hazardous materials.
signs placed on a vehicle to identify the hazard class of the cargo.
a type of safety equipment.
12. The ABS malfunction lamp on the instrument panel is:
Blue
Yellow
Orange
Red
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?
None
One
Three
Two
14. Which of the following may have reduced the clearances since the heights were posted at bridges and overpasses?
Traffic
Repaving of the road
Rain
The weight of a cargo
15. If you must stop on a one-way or divided highway, place your warning devices:
10 feet, 100 feet, and 200 feet toward the approaching traffic.
10 feet, 50 feet, and 150 feet toward the approaching traffic.
100 feet, 200 feet, and 300 feet toward the approaching traffic.
50 feet, 100 feet, and 150 feet toward the approaching traffic.
16. After starting the engine, the ABS light stays on. This means:
the ABS is not working properly.
the ABS is in Neutral.
the ABS is working properly.
the ABS oil level is not adequate.
17. Why should you cover your cargo?
To protect people from spilled cargo.
Because spill protection is a safety requirement in many states.
To protect the cargo from weather.
All of the above.
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.
75 psi
25 psi
50 psi
100 psi
19. Texting is:
safer than  engaging in conversation with a passenger.
about as safe as adjusting the radio.
safer than talking on a cell phone.
the most dangerous distraction.
20. The posted speed for a curve that may be safe for a straight truck:
is never safe for a double or triple.
could be too fast for a double or triple.
can be ignored when driving a double or triple.
is likely to be safe for a double or triple.
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