CDL Core Practice Test
Class A · Air Brakes · Permit
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Free
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About
Study Universal Core CDL knowledge: General Knowledge, Air Brakes, and Combination Vehicles — the Class A written path.
• Original practice questions with clear explanations
• Timed Core practice exams (20 / 40 / 60) with an 80% practice pass mark
• Weak-domain drills, missed & saved lists, Must-Know numbers
• Offline study — no account required
• Pro unlocks unlimited practice (non-renewing; does not auto-renew)
Built for CLP / Class A knowledge prep. Independent study aid — not affiliated with FMCSA or any state DMV. Not ELDT certification. Always verify your state’s current CDL manual.
Support: 1095288658@qq.com
Privacy: https://hairuizhi-cn.github.io/cdl-exam-prep-support/privacy.html
Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
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What's New in CDL Core Practice Test
1.0
November 13, 2026
3
Subscriptions & In-App Purchases
$12.99
Pro Monthly
Unlimited Pro for 1 month. No auto-renew.
