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1.
If you are stopped on an incline, how can you start moving without rolling back?
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Shift to neutral
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Fully engage the clutch
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Apply the parking brake
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Aggressively pump the accelerator
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2.
On
a tractor-trailer equipped with a trailer brake hand
valve, the hand valve can be used to:
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hold compressed air.
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prevent movement of cargo.
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reduce the chance of the front wheels skidding.
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keep from rolling back.
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3.
A high center of gravity:
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means you'll have better traction.
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is less dangerous in curves.
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helps the vehicle be more stable while turning.
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means your vehicle is more likely to tip over.
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4.
To avoid a hazard:
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stopping is always the best thing to do.
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changing lanes is always the best thing to do.
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steering away from what is ahead may be the best thing to do.
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driving on the shoulder of the road is always the best thing to do.
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5.
When you see you will need to slow down, you can warn drivers behind you by:
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slamming on the brakes.
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making gestures.
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turning on the right turn signal.
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tapping the brakes a few times.
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6.
When transporting chlorine in cargo tanks, you must have _______ in the vehicle.
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an approved cell phone
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approved goggles
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an approved gas mask
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5 reflective triangles
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7.
The height of a vehicle's center of gravity is important for safe handling. Why?
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Trucks with a high center of gravity have better traction.
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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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All of the above.
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8.
If corrosive materials leak during transportation, the parts of the vehicle exposed to corrosives must:
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be washed with acid.
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be washed with water.
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be washed with oil.
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be left to air dry.
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9.
Retarders:
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increase fuel efficiency.
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improve traction.
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help to increase brake pressure.
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can be noisy and may not be permitted everywhere.
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10.
Which of the following vehicles is most likely to turn over?
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Triple trailer
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5 axle tractor semitrailer
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3 axle tractor semitrailer
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65 ft. conventional double
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