CDL PRACTICE TEST (ID) - GENERAL KNOWLEDGE TEST
31.
When you drive a tractor-trailer combination with ABS, you should:
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brake as you always have.
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apply the trailer hand brake whe braking.
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pump the brakes.
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32.
The air compressor governor:
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stops the compressor from pumping air.
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allows the compressor to start pumping air when the tank pressure rises to the "cut-out" pressure.
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controls when the air storage tanks will pump air into the air compressor.
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33.
For fire safety, the correct list of items you should check during your pre-trip inspection is:
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fuel and fire extinguisher.
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tires, cargo, fuel, electrical and exhaust systems, fire extinguisher.
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cargo, fuel, electrical and exhaust systems.
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34.
Which of the following statements is true?
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The weight of a cargo van changes its height.
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An empty van is lower than a loaded one.
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The heights posted at bridges and overpasses are always correct.
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35.
How many glasses of wine can you drink without increasing the chances of a crash?
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It depends on your weight.
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One.
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None.
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36.
When you have to back, use a helper whenever possible. Before you begin backing, work out a set of hand signals that you both understand. It is especially important to agree on a signal for:
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"Go"
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"Get closer"
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"Stop"
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37.
To avoid becoming distracted while driving, you should:
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familiarize yourself with your vehicle's features within the first 10 miles of driving.
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be careful when reading a text message on your mobiledevice while driving.
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pre-program your favorite radio stations.
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38.
What is a pull up when referring to truck driving?
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When a driver stops and pulls forward to get a better position.
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A driving maneuver used to pull your vehicle over to the side of the road and stop.
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A specific maneuver used to decelerate smoothly in the exit lane.
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39.
Air brakes:
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should be used only when driving on wet roads.
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are an effective way to stop large and heavy vehicles.
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are prohibited on larger vehicles.
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40.
When checking your mirrors you should:
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only use the passenger side mirror.
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only use the driver side mirror.
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use both mirrors.
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