1.
The height of a vehicle's center of gravity is important for safe handling. Why?
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A high center of gravity means you are less likely to tip over.
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Trucks with a high center of gravity can roll over at the posted speed limit for a curve.
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Trucks with a high center of gravity have better traction.
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All of the above.
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2.
When you leave your vehicle you should:
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release the parking brake.
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leave the key in the ignition.
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apply the service brake.
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None of the above.
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3.
Hydroplaning:
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only occurs at extremely high speeds.
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never occurs at speeds below 40 mph.
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can occur at speeds as low as 30 mph.
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only happens when tire pressure is higher than normal.
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4.
Which of the following is not part of the air brake system?
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Alcohol evaporator
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Air filter
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Air storage tanks
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Air compressor
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5.
The average driver has a reaction time of:
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1/8 of a second.
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1/32 of a second.
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3/4 second to 1 second.
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1/16 of a second.
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6.
To reduce driver distraction, you should do all of the following except:
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Adjust mirrors before driving
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Plan your route before driving
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Pre-program radio stations
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Eat while driving.
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7.
When you are driving you should look at least ______ ahead.
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12 to 15 seconds
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20 to 30 seconds
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6 to 12 seconds
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5 to 10 seconds
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8.
To prevent drowsiness before a trip, you should:
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drive with a passenger.
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consult your physician if you suffer from daytime sleepiness.
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schedule trips for the hours you are normally awake.
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All of the above.
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9.
If you smell exhaust fumes in the cab, you should:
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remember to conduct a post-trip inspection.
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open the windows.
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stop immediately.
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wait for the next stop, then inspect your vehicle.
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10.
Weight that is loaded so there is a high center of gravity:
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makes a vehicle easier to handle.
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causes greater chance of rollover.
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reduces the chance that the load will shift to the side or fall off.
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All of the above.
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