Arizona Class A CDL Practice Test (AZ) 8

5 out of 5 (44 votes)
80% Passing score
50 Questions
10 Mistakes allowed
Stepping into the driver's seat to secure your Class A CDL in Arizona is now more streamlined with our detailed online CDL practice test. Imagine mastering the complexities of pre-trip vehicle inspections, honing your vehicle control skills, and perfecting gear shifting techniques. This includes the essential art of downshifting, navigating hills, and steep downgrades, all crucial for a Class A license applicant. This eighth Arizona CDL practice test is your starting point, offering a robust set of 50 questions that require a minimum of 40 correct answers for a pass. You'll encounter scenarios from communicating effectively with fellow drivers to managing your vehicle's speed, and staying informed on drug and alcohol regulations. Our tests are not just about getting you ready for the exam; they are about preparing you for the road. They are easily accessible anytime, anywhere, via mobile or desktop, ensuring that your learning experience fits seamlessly into your lifestyle. After completing the DMV practice test, you'll receive an end-of-test summary detailing areas of strength and those needing improvement, complete with correct answers for your review. This feedback is designed to reinforce essential driving knowledge, ensuring that you are thoroughly prepared not just for the Arizona CDL permit test, but for a lifetime of safe driving.
FREE CDL Practice Test App
Pass your Arizona CDL General Knowledge test with the NextDoorDriving app. Real questions and answers—100% free and ad-free.
Download on the App Store

Sample Arizona CDL Test Questions - General Knowledge

Question 1

Which description best defines gross combination weight (GCW)?

  1. A The weight of the cargo and vehicle occupants only
  2. B The maximum combination weight assigned by the manufacturer
  3. C The actual weight of the trailer and its cargo only
  4. D The actual combined weight of the power unit, towed units, and their loads

Correct answer: D – The actual combined weight of the power unit, towed units, and their loads

Gross combination weight describes the actual combined weight of the power unit and all towed units, including their loads. It is different from GCWR, which is a rating determined under the applicable definition. The weight of the trailer alone or the cargo alone does not represent the entire combination.

Source: Arizona Commercial Driver License Manual — § 3.2.1, “Definitions You Should Know”, 49 CFR § 390.5T — Definitions

Question 2

What is the main safety benefit of an antilock braking system?

  1. A It permits higher speeds and shorter following distances
  2. B It prevents every type of skid
  3. C It guarantees a shorter stopping distance
  4. D It helps prevent wheel lockup and preserves control during hard braking

Correct answer: D – It helps prevent wheel lockup and preserves control during hard braking

ABS reduces brake pressure when sensors detect that wheels are about to lock. This helps the driver retain steering control and reduces skids caused by overbraking. The Arizona manual emphasizes that ABS may or may not shorten stopping distance, and normal safe-driving practices are still necessary.

Source: Arizona Commercial Driver License Manual — § 2.18.4, “How ABS Helps You”

Question 3

In a manual-transmission vehicle stopped uphill, what should you do before removing your right foot from the service brake?

  1. A Place a chock ahead of a front wheel
  2. B Place a chock behind a rear wheel
  3. C Partly engage the clutch
  4. D Release the parking brake immediately

Correct answer: C – Partly engage the clutch

Partly engaging the clutch before moving your right foot from the brake helps prevent a manual-transmission vehicle from rolling backward. If needed, the parking brake may remain applied until enough engine power is available to hold the vehicle. The objective is to begin moving smoothly without striking anything behind the vehicle.

Source: Arizona Commercial Driver License Manual — § 2.2.1, “Accelerating”

Question 4

According to the CDL manual, what is the leading cause of injuries and deaths in roadway work zones?

  1. A Speeding traffic
  2. B Wet pavement
  3. C Poorly adjusted brakes
  4. D Reduced visibility

Correct answer: A – Speeding traffic

Arizona’s CDL manual identifies speeding traffic as the leading cause of injury and death in roadway work zones. Drivers should observe posted speed limits while approaching and traveling through the entire work zone. Reduced speed provides more time and distance to respond to workers, equipment, lane shifts, and stopped traffic.

Source: Arizona Commercial Driver License Manual — § 2.6.7, “Roadway Work Zones”

Question 5

A yellow diamond sign displaying a black cross symbol warns of what condition ahead?

This sign warns drivers to _____________.
  1. A A lane reserved for slow-moving traffic
  2. B A detour beginning to the right
  3. C A mandatory stop
  4. D An intersection where traffic may enter or turn from either side

Correct answer: D – An intersection where traffic may enter or turn from either side

The W2-1 Cross Road sign may be installed in advance of an intersection. It alerts drivers to the presence of the intersecting roadway and the possibility of turning or entering traffic. A driver should recognize the intersection hazard and be prepared to respond appropriately to traffic conditions.

Source: Manual on Uniform Traffic Control Devices for Streets and Highways, 11th Edition with Revision 1 — § 2C.41, “Intersection Warning Signs (W2-1 through W2-8)”

Question 6

What handling problem can result from placing excessive weight on the steering axle?

  1. A Steering becomes difficult
  2. B Steering becomes unusually easy
  3. C The service brakes become difficult to apply
  4. D The service brakes apply too easily

Correct answer: A – Steering becomes difficult

Too much weight on the steering axle can make the vehicle difficult to steer. Excessive loading can also damage the steering axle and its tires. Cargo should be balanced to avoid overloading the front axle or making it too lightly loaded for safe steering.

Source: Arizona Commercial Driver License Manual — § 3.2.4, “Balance the Weight”

More Arizona CDL Practice Tests
Other CDL Endorsements