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CDL AIR BRAKES PRACTICE TEST - KANSAS

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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 Kansas CDL knowledge test. The KS 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 Kansas CDL Manual. Take this KS CDL practice test now to prepare for the actual air brakes test!
1. The ________ brake system applies and releases the brakes when the driver uses the brake pedal during normal driving.
service
parking
emergency
anti-lock
2. Most heavy-duty vehicles use:
pump-the-brake systems.
triple air brake systems.
dual air brake systems.
single air brake systems.
3. When the wheels of a trailer lock up:
ABS will increase stopping power.
the vehicle will gradually come to a complete stop.
the trailer will tend to swing around.
All of the above.
4. A tank endorsement is:
only required when transporting liquids.
not required when transporting hazardous materials.
required for both liquids and gases.
only required when transporting gases.
5. When you apply the brakes, the brake shoes and linings are pushed against:
the supply pressure gauge.
the safety relief valve.
the S-cam.
None of the above.
6. Your vehicle has hydraulic brakes. When you press the brake pedal while driving and the pedal goes to the floor, remember that:
pumping the brake pedal may generate enough hydraulic pressure to stop the vehicle.
the parking brake should never used to slow the vehicle.
shifting into neutral may help slow the vehicle.
All of the above.
7. If you must make an emergency stop, you should:
apply the brakes as hard as you can to lock them.
brake in a way that will keep your vehicle in a straight line.
use the hand brake before the brake pedal.
None of the above.
8. You are coming down a long, steep downgrade. Which of the following is a sign that your brakes may have started to fade?
You have to apply your brakes harder and harder to get the same stopping power.
The brake pedal feels spongy or goes to the floor.
The steering feels heavy.
You hear a loud "bang".
9. When driving on long and/or steep downgrades, to select an appropriate safe speed you should consider:
the length of the grade.
the total weight of the vehicle and cargo.
the road conditions.
All of the above.
10. Most heavy duty vehicles use ___ air brake systems for safety.
dual
reduced
triple
single
 
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KS CDL Air Brakes Test

Number of questions: 25
Correct answers to pass:20
Passing score:80%
Number of questions: 25
Correct answers to pass:20
Passing score:80%
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