AIR BRAKES PRACTICE TEST - DELAWARE
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The air brakes endorsement applies to applicants who wish to drive a vehicle with air brakes in Class A, B, or C CDL. To drive a vehicle with air brakes, you must pass the air brake component of the Delaware CDL knowledge test. The DE CDL air brakes test consists of 25 questions, and you'll need at least 20 correct answers to pass (80%). The test covers the information found in the air brakes section of the Delaware CDL Manual. Take this DE CDL practice test now to prepare for the actual air brakes test!
1.
With a dual air brake system:
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each system has its own air tanks, hoses and lines.
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one system is the main braking system while the other is a back-up system.
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each system shares air tanks.
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each system shares the same lines and hoses.
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2.
If an aggressive driver is involved in an accident down the road, you should:
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confront the aggressive driver.
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try to get their vehicle to the side of the road.
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make eye contact with the driver.
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stop a safe distance from the accident scene, wait for the police and report the behavior you witnessed.
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3.
ABS helps you:
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stop much faster.
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avoid wheel lock up and maintain control of your vehicle when you brake.
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steer gently and smoothly while you are braking.
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increase your normal braking capability.
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4.
If a vehicle is equipped with ABS, when you start the engine:
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the wheels will lock up.
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the trailer emergency brakes will come on.
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the ABS indicator light on the dash should come on and then turn off.
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the spring brakes will come on.
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5.
Air brakes:
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can improve fuel efficiency.
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should be used only when driving on wet roads.
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are prohibited on larger vehicles.
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are an effective way to stop large and heavy vehicles.
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