CDL PRACTICE TEST - GENERAL KNOWLEDGE (OREGON)

31. Which of the following statements about drivers fixing an engine or changing a tire is true?
They must park within 5 feet of the roadway.
Roadway traffic is not a danger to them.
They often do not pay attention to roadway traffic.
They usually pay attention to the danger roadway traffic is to them.
32. When drivers make a turn they should:
look far ahead.
look in the opposite direction of the turn.
look in the direction they are going to turn.
look behind the vehicle.
33. Enough tread is especially important in winter conditions. You need at least ________ tread depth on steering axle tires.
4/32 inch
6/24 inch
2/8 inch
8/32 inch
34. If another driver is following you too closely, you should:
immediately pull over to the side of the road.
turn on your warning flashers.
decrease your following distance.
None of the above.
35. If a shipping paper describes both hazardous and non-hazardous products, the hazardous materials must be:
written in a larger font.
listed at the bottom.
identified by an "H" placed before the shipping description.
entered first.
36. A cardboard box on the road:
may contain some solid material capable of causing damage.
is likely to be empty and should not be considered a hazard.
should always be driven over to avoid sudden direction changes.
will never damage vehicle parts if driven over.
37. When checking the condition of the steering system, you must:
Check the windshield wiper arms.
Test what happens under braking conditions.
grab the steering mechanism to test for looseness.
Visually inspect the steering mechanism.
38. The air compressor governor:
allows the compressor to start pumping air when the tank pressure rises to the "cut-out" pressure.
controls when the air storage tanks will pump air into the air compressor.
stops the compressor from pumping air.
All of the above.
39. When backing a trailer, turn the wheel right to make the cab go ________ and the trailer go ________.
right; left
right; right
left; left
left; right
40. Which of the following statements about driving in areas with strong winds is true?
Strong winds make it difficult to stay in your lane.
Wind can be a problem especially when you enter a tunnel.
The problem is usually worse for heavier vehicles.
You should drive alongside other vehicles to help break up the wind.
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