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Question 1 of 50
1. Question
1. A driver is performing an offset backing maneuver to the left during a CDL skills test. After the initial backward movement, the driver observes that the tractor and trailer are angled at approximately 45 degrees relative to the target lane, but the trailer rear is positioned too far to the right. The driver needs to determine the correct sequence of corrections. What is the best analysis and corrective action?
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Question 2 of 50
2. Question
2. For a 60-foot combination vehicle traveling at 55 mph, what is the minimum recommended following distance?
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Question 3 of 50
3. Question
3. What is the correct following distance formula for a combination vehicle traveling at highway speeds?
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Question 4 of 50
4. Question
4. When connecting air lines between tractor and trailer during a coupling procedure, which air line connects to which glad hand, and what is the correct sequence?
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Question 5 of 50
5. Question
5. During the CDL skills test, you are performing straight-line backing. You must back the vehicle approximately 100 feet within a marked lane. What is the PRIMARY purpose of checking BOTH mirrors during this maneuver?
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Question 6 of 50
6. Question
6. A driver needs to uncouple a tractor from a semitrailer at a truck stop. Which step should be performed FIRST in the proper uncoupling sequence?
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Question 7 of 50
7. Question
7. What is the primary purpose of the Antilock Braking System (ABS) on a commercial motor vehicle?
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Question 8 of 50
8. Question
8. What is the minimum following distance formula for commercial motor vehicles?
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Question 9 of 50
9. Question
9. A driver starts their shift at 6:00 AM after 10 hours off duty. They drive 4 hours, load cargo for 2 hours, drive 3 more hours, take a 30-minute break, then drive 2 more hours. What time must they stop driving to comply with the 14-hour rule?
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Question 10 of 50
10. Question
10. Which lights and signals must be verified during the pre-trip inspection cab check with engine running?
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Ready for more practice? This practice test continues your preparation with additional questions covering comprehensive CDL general knowledge. Each question is designed to mirror the difficulty and format of the actual CDL written test.
What This Practice Test Covers
This practice test focuses on:
- comprehensive CDL general knowledge
- Real-world CDL scenarios
- Questions formatted like the actual DMV test
- Detailed explanations for each answer
Each question helps you build the knowledge and confidence needed for test day. Practice makes perfect — take as many attempts as you need.