CDL DOUBLES TRIPLES PRACTICE TEST NEW JERSEY

11. While crossing railroad tracks, you should:
not shift gears.
shift down.
stop, then look and listen for the train.
shift up.
12. You should flash your brake lights to warn drivers behind you when:
you see you'll need to slow down.
you see a bus stops in the roadway ahead to unload passengers.
you see a hazard that will require slowing down.
All of the above.
13. Older trailers do not have spring brakes. If the air supply leaks away:
the ABS won't work properly.
there will be no emergency brakes.
the trailer will stop normally.
All of the above.
14. Because of the "crack-the-whip" effect, doubles and triples:
can go much faster than other combination vehicles.
are more likely to turn over than other combination vehicles.
are much slower than other combination vehicles.
are more likely to run out of gas than other combination vehicles.
15. To know if your vehicle is equipped with ABS, look for:
a yellow ABS malfunction lamps on the instrument panel.
the ABS shipping paper.
an ABS placard.
the ABS logo on the steering wheel.
16. When possible, you should park:
so you will have to back up when you leave.
on the shoulder.
so you will be able to pull forward when you leave.
on the roadway.
17. Doubles/triples are:
more stable than other CMVs.
usually faster than most CMVs.
easier to drive than other CMVs.
less stable than other CMVs.
18. At dawn, dusk, in rain or snow, to make yourself easier to see you should:
use the low beams.
use the parking lights.
use the high beams.
use the emergency flashers.
19. Combination vehicles usually require _________ single commercial vehicles.
less driving skill than
the same level of skill as
more driving skill than
None of the above.
20. Most heavy duty vehicles use ___ air brake systems for safety.
triple
reduced
dual
single
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