GENERAL KNOWLEDGE CDL TEST TENNESSEE - PRACTICE TEST

41. In a vehicle with a dual air brake system:
each system has its own air tanks.
both systems typically operate the regular brakes on the rear axle.
one system supplies air to the trailer.
All of the above.
42. When backing, as soon as you see the trailer getting off the proper path, you should:
turn the top of the steering wheel in the opposite direction of the drift.
to keep a firm grip on the steering wheel and continue backing.
turn the top of the steering wheel in the direction of the drift.
None of the above.
43. Distracted driving may be caused by _________ while driving.
using your smartphone
reading billboards
adjusting the radio
All of the above.
44. Which of these should make you reject a vehicle until it is rectified?
Tires from different manufacturers
Tires with different tread patterns
Tires of different sizes
All of the above.
45. To maintain alertness while driving, you should:
avoid short breaks and keep the window open.
rely on caffeine.
take periodic breaks.
keep cool by opening the window while eating heavy foods.
46. An empty truck requires _________ a full truck.
a greater stopping distance than
This is irrelevant.
the same stopping distance as
less stopping distance than
47. Serious traffic violations include:
excessive speeding.
driving a CMV without obtaining a CDL.
erratic lane changes.
All of the above.
48. Which of the following is considered a serious traffic violation?
Following a vehicle too closely
Excessive speeding (15 mph or more above the posted limit)
Reckless driving
All of the above
49. If you feel drowsy while driving, you should:
pull off the road and get some rest.
stop yawning.
get some coffee.
fall asleep.
50. Gross vehicle weight (GVW) is:
the total weight of a single vehicle, except its load.
the total weight of a single vehicle including its load.
the total weight of the trailer or trailers.
the total weight of the vehicle axle.
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