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COMBINATION TEST ARIZONA - PRACTICE TEST

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Drivers who want to drive combination vehicles must pass the combination vehicles test. The Arizona CDL combination test consists of 20 questions, and you'll need at least 16 correct answers to pass (80%). The test covers the combination vehicles section of the Arizona CDL Manual. Take this practice test now to prepare for the actual AZ CDL combination test!
1. If the spring brakes do not release when you push the trailer air supply control, you should:
rev or lug the engine.
check the electrical cables.
check the air line connections.
2. What is the minimum tread depth for tires other than front tires?
8/32 inch
2/32 inch
4/32 inch
3. Which of these statements is true?
Large combination vehicles take longer to stop when they are fully loaded than when they are empty.
"Bobtail" tractors can take longer to stop than a combination vehicle loaded to maximum gross weight.
Trailer skids are more likely to happen when the trailer is empty or lightly loaded.
4. The best way to recognize that your trailer has started to skid is:
by seeing it in your mirrors.
by hearing squeaking noises from the wheels.
by using retarders.
5. Whenever you back up with a trailer, position your vehicle so you can back in a straight line. If you must back on a curved path, back toward:
Either side.
the driver's side.
the right side.
6. Which of the following trailers can get stuck on raised crossings?
Lowboy
Car carrier
All of the above.
7. In combination vehicles with air brakes, the trailer air supply control should pop out when the air pressure falls within the range of:
20 to 45 psi
100 to 120 psi
10 to 20 psi
8. If you must stop on a one-way or divided highway, you should place warning devices _______ toward the approaching traffic.
5, 50 and 500 feet
5, 25 and 50 feet
10, 100 and 200 feet
9. If you are being tailgated, you should:
speed up.
increase your following distance.
move to the left lane.
10. Which of the following is NOT part of the procedure to stop a trailer skid?
Using the trailer hand brake to get traction back
Recognizing the skid
Not using the hand brake
 
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AZ CDL Combination Test

Number of questions: 20
Correct answers to pass:16
Passing score:80%
Number of questions: 20
Correct answers to pass:16
Passing score:80%
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