CDL PRACTICE TEST - GENERAL KNOWLEDGE (OKLAHOMA)
41.
On a level surface:
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wheel chocks make it easier for the vehicle to roll.
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wheel chocks should not be used when the brakes are very hot.
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you should use wheel chocks to hold the vehicle.
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42.
Which of the following vehicles is most likely to turn over?
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Triple trailer
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3 axle tractor semitrailer
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65 ft. conventional double
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43.
Distracted driving can cause collisions. Which of the following can distract your attention while you are driving?
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Talking to passengers.
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Listening to music.
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All of the above.
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44.
Skids happen whenever:
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the weight limit is exceeded.
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tires lose their grip on the road.
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ABS is not working.
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45.
Front-end header boards:
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protect drivers from spilled cargo.
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should never be used.
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protect drivers from cargo in case of an accident or emergency stop.
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46.
Rims with welding repairs:
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are not safe.
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can be used for tires in the front of the vehicle.
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can be used for tires in the rear of the vehicle.
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47.
Longer combination vehicles have the tendency to swing wide on turns. This is called:
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hydroplaning.
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off-tracking.
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jackknifing.
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48.
In an emergency:
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you should keep one hand on the steering wheel.
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you should never turn to miss an obstacle.
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stopping is not always the safest thing to do.
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49.
When driving, you should check your mirrors:
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every 10 seconds.
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regularly.
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only when there may be a problem.
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50.
Obstacles on the roadway that appear to the harmless:
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never contain material capable of causing damage.
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can be dangerous.
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should be driven over.
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