08. Which of these statements about seeing ahead is true?
a. At highway speed you should look up to 1/4 mile ahead of you.
b. Good drivers shift their attention back and forth, near and far.
c. Many drivers do not look far enough ahead of their truck.
d. All of the above are true.
09. You are driving at night and you need to dim your lights for traffic. Good speed management says you should:
a. slow down.
b. speed up.
c. drop 5 mph until your eyes adjust.
d. do nothing how well you can see does not affect speed.
10. Empty trucks:
a. require shorter stopping distances than full ones.
b. may have poor traction due to bouncing and wheel lockup.
c. need to be downshifted while stopping.
d. are the easiest to stop since there is no shifting cargo.
11. When should you check your mirrors for a lane change?
a. After you signal the change.
b. Right after you start the change.
c. After you complete the change.
d. All of the above.
12. Which of these statements about the handling of doubles and triples is true?
a. The rear trailer of a 100 foot triple is less likely to turn over than a single semi-trailer due to the crack-the-whip effect.
b. A sudden movement with the steering wheel can result in a tipped over rear trailer.
c. A triple bottom rig can stop quicker than a 5 axle semi due to off-tracking.
d. Rearward amplification is the only thing that prevents the crack-the-whip effect from turning over all trailers.
13. You are driving with double trailers and must use your brakes to avoid a crash. For emergency braking you should:
a. push the brake pedal as hard as you can and hold it there.
b. use controlled or stab braking.
c. use light, steady pressure on the brake pedal.
d. use only the trailer brakes.
14. If you want to couple a second trailer to your combination vehicle, secure it by using:
a. the trailer's spring brakes.
b. the trailer emergency air brakes.
c. wheel chocks.
d. any of the above if available.
Answers: (8)d (9)a (10)b (11)d (12)b (13)b (14)d
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