1.
When checking tires, which of the following is not a problem?
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Cracked valve stems
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Too much air pressure
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4/32 inch tread depth on front tires
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2.
While driving at night, use __________ when it is safe and legal to do so.
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interior lights
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high beams
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low beams
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3.
When approaching a vehicle as part of a pre-trip inspection, which of the following could be a sign of trouble?
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Inflated tires
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Fresh oil under the vehicle
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All of the above.
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4.
When only the tractor has ABS:
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you should be able to maintain steering control during braking.
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there is a greater chance of jackknifing.
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the trailer is less likely to swing out.
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5.
When driving in heavy traffic, the safest speed is:
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5 mph below the posted speed limit.
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the speed of other vehicles, up to the posted limit.
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the posted speed limit.
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6.
What is the minimum number of tie-downs for a 20 foot load?
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1
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2
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3
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7.
Which of the following vehicles is most likely to turn over?
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3 axle tractor semitrailer
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65 ft. conventional double
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Triple trailer
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8.
Before starting down a hill, you should slow down and shift down:
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to a speed that you can control without using the brakes hard.
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so you can coast downhill.
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to a gear that will cause your engine to exceed its redline.
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9.
Driving in very hot weather:
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can decrease oil pressure.
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should never be done.
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can increase tire pressure.
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10.
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 have better traction.
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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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