DOUBLES TRIPLES TEST HI - CDL PRACTICE TEST

11. Engine oil pressure should come up to normal within _________ after the engine is started.
seconds
two minutes
five minutes
12. Blocking is used to:
keep the cargo from sliding.
protect people from spilled cargo.
protect the cargo from weather.
13. Emergency lines are often coded with the color ___ to keep from getting them mixed up with the service line.
blue.
red.
yellow.
14. Warnings on low bridges or underpasses:
are always posted.
must be posted.
are often posted, but sometimes they are not.
15. To avoid becoming an aggressive driver you should:
make gestures to other drivers.
give other drivers your full attention.
give other drivers the benefit of the doubt.
16. You should always try to back toward the driver's side because:
you can watch the rear of your vehicle out the side window.
backing toward the left side is more dangerous.
None of the above.
17. Having ABS on only the trailer:
still gives you more control over your vehicle during braking.
is very dangerous.
makes the trailer more likely to swing out.
18. Which of the following statements about drivers fixing an engine or changing a tire is true?
They usually pay attention to the danger roadway traffic is to them.
They often do not pay attention to roadway traffic.
Roadway traffic is not a danger to them.
19. Which of the following is most likely to roll over?
The rear trailer of a triple
The front trailer of a double
The rear trailer of a double
20. If your ABS fails:
your tires might grab unexpectedly and you could lose control.
you will still have normal brake functions.
the first step is to get the vehicle off the road and stop.
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