CO CDL GENERAL KNOWLEDGE TEST - CDL PRACTICE TEST
31.
Which of the following is true about curved mirrors?
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They are illegal in most States.
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In a curved mirror things seem closer than they really are.
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In a curved mirror everything appears smaller than it would if you were looking at it directly.
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None of the above.
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32.
Effects of distracted driving include:
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failure to perceive an important traffic event.
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slowed perception.
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delayed decision making.
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All of the above.
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33.
Tire load is defined as:
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the weight transmitted to the ground by 1 tire.
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the maximum safe weight a tire can carry at a specified pressure.
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the minimum safe weight a tire can carry at a specified pressure.
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the minimum tire pressure.
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34.
When backing, it is important to use a helper whenever possible. Why?
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To make sure you don't damage your truck.
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Because you cannot see everything behind your vehicle.
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All the above.
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Because it's required by law.
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35.
The minimum tire tread depth for front tires is:
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8/32 inch
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4/32 inch
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2/32 inch
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4/16 inch
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36.
When you need to brake, you should warn the drivers behind:
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by turning on the 4-way emergency flashers.
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by changing lanes.
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by making gestures.
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by flashing your brake lights.
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37.
When using the controlled braking method, you:
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apply the brakes as hard as you can without locking the wheels.
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apply the brakes all the way and release brakes when wheels lock up.
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repeatedly tap the brakes as fast as you can.
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lightly apply braking pressure.
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38.
If the drive wheels begin to spin, you should:
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accelerate smoothly and change gears as necessary.
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apply your brakes all the way.
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take your foot off the accelerator.
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wait 4-5 seconds before applying the accelerator.
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39.
If your vehicle begins to hydroplane, you should:
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release the accelerator and push in the clutch.
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immediately pull off the road.
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brake gently to slow down.
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accelerate slightly.
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40.
You should avoid driving through flowing water of deep puddles if possible. If not, you should:
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press the accelerator and increase the engine and gear speed to the rpm required by road conditions.
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wait until the engine has cooled before crossing the water.
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set out reflective triangles to warn other traffic.
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gently apply the brakes, increase engine rpm and cross the water while keeping light pressure on the brakes.
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