DOUBLES TRIPLES TEST SD - CDL PRACTICE TEST

11. To reduce driver distraction, you should do all of the following except:
Pre-program radio stations
Adjust mirrors before driving
Eat while driving.
Plan your route before driving
12. ABS:
does not decrease your stopping distance.
improves your visibility at night.
helps you increase your following distance.
helps you increase your average speed.
13. Air brakes:
are prohibited on larger vehicles.
are an effective way to stop large and heavy vehicles.
can improve fuel efficiency.
should be used only when driving on wet roads.
14. Headache racks:
help you keep weights within legal limits.
protect you from being hit by your cargo.
can blind other drivers.
None of the above.
15. 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?
One
Two
Three
None
16. Pre-trip inspections are:
required only for trips of more than 50 miles.
recommended.
required only for trips of more than 100 miles.
required by law
17. You should NOT use the parking brakes if:
the brakes are very hot.
the brakes are too dry.
the brakes are cold.
All of the above.
18. You should always adjust your speed to be able to stop within:
the distance you can see ahead.
the length of your vehicle.
30 feet.
50 feet.
19. As you approach off ramps and on ramps, remember:
that the posted speed limit may not be safe for larger vehicles.
to always brake and turn at the same time.
to maintain your highway speed.
that downgrades make it easier to reduce speed.
20. Doubles and triples are:
easier to drive than other combination vehicles.
more stable than straight trucks.
less likely to turn over than other combination vehicles.
more likely to turn over than other combination vehicles because of the "crack-the-whip" effect.
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