CDL Exam Blog
Study tips, exam strategies, and breakdowns of the trickiest CDL Manual sections - straight from the team that builds the practice apps.
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Top 10 Class B CDL Jobs: Local Driving Careers That Keep You Home
10 of the best jobs you can get with a Class B CDL, from school buses to garbage trucks, plus the endorsements each one needs and how to get hired.
CDL Class A vs B vs C Explained: What You Can Drive, Earn and How to Get Each
Class A, B and C CDL explained: weight limits, vehicles, typical pay, written tests, ELDT rules and the restrictions that can quietly shrink your license.
CDL Doubles and Triples: Coupling, Inspection and Air Brake Checks
Everything on the CDL Doubles and Triples endorsement test: crack-the-whip rollover risk, converter dolly coupling order, inspection points and trailer air…
CDL Doubles & Triples Test: 10 Real Questions Explained
Ten real Doubles and Triples endorsement questions explained — stab braking, rear-trailer rollover, converter dollies, air line checks and coupling height.
CDL Class A vs Class B: What You Can Actually Drive With Each
Class A vs Class B CDL explained: the 26,001 lb and 10,000 lb weight rules, what each license lets you drive, pay differences, and which one fits your career.
CDL Class A vs Class B: Which License Should You Actually Get?
Class A or Class B CDL? The real differences in what you can drive, what the tests cost, and the two situations where Class B is genuinely the right call.
CDL Combination Vehicles: Rollover, Off-Tracking, Coupling and Air Lines
Master combination vehicles for your CDL exam: rearward amplification, off-tracking, bobtail braking, glad hands, and the full coupling and uncoupling sequence.
CDL General Knowledge Questions and Answers: 13 Real Test Questions Explained
Thirteen real CDL General Knowledge questions with the reasoning behind each answer — following distance, downgrades, stopping distance, blind spots, and BAC…
CDL Class B Blind-Side Parallel Parking: The Pivot-Point Formula
A step-by-step, mirror-by-mirror method for blind-side (passenger-side) parallel parking a bus or straight truck on the CDL Class B skills test.
Understanding CDL Air Brakes: Parts, PSI Numbers and Brake Checks
Learn the CDL air brake parts, PSI numbers, governor settings, low-air warnings, spring brakes, and inspection checks for test day.
Paid CDL School: 10 Things No One Tells You Before You Enroll
A veteran trucker's honest breakdown of what CDL truck driving school actually delivers — and the 10 questions to ask before you spend a dime.
The New Modernized CDL Pre-Trip Inspection: What Changed and How You're Graded
A plain-English guide to the new AAMVA/FMCSA modernized CDL pre-trip inspection — what's changed, the three automatic-fail traps and the PSI numbers tested.
CDL Air Brake Pre-Trip Inspection: The Complete Step-by-Step Walkthrough
A full CDL air brake pre-trip inspection walkthrough — chocking wheels, checking slack adjusters, the five in-cab tests and the final tug test, step by step.
The L.A.B. Air Brake Test Explained: Leaks, Alarms, Buttons (CDL Class A)
Master the L.A.B. air brake check for your CDL Class A pre-trip inspection — every step, every PSI number and the order examiners want, from cut-out to pop-out.
CDL Tanker Test Questions & Answers (2026 Study Guide)
Master the CDL Tank Vehicles endorsement with key 2026 test questions on liquid surge, baffles, outage, center of gravity and safe loading, clearly explained.
CDL Class A Pre-Trip Inspection: The Complete 2026 Walk-Around
A driver-tested walkthrough of the updated CDL Class A pre-trip inspection — what to say, in what order, and how to avoid the mistakes that fail the test.
CDL Air Brake Check Walkthrough: The Final Brake Test, Step by Step
A complete walk-through of the CDL Class A air brake check and in-cab inspection — apply test, low-air warning, spring brake pop-out and the exact PSI numbers.
How to Pass Your CDL on the First Try (4-Week Study Plan)
A realistic 4-week study plan to pass the CDL General Knowledge, Air Brakes and HazMat tests on your first attempt, with daily targets and mock-test thresholds.
CDL Air Brakes Explained: Every PSI Number, Test Step and Trap
A no-fluff guide to the CDL Air Brakes section: the cut-in/cut-out PSI numbers, the 7-step final check, slack adjuster rules and the questions drivers miss.
HazMat Endorsement Guide: Placards, Segregation Tables, and the ERG
Everything you need to pass the HazMat endorsement: the 9 hazard classes, placarding rules, segregation table, shipping papers, the ERG and the TSA check.
The 11-Point CDL Pre-Trip Inspection (Memorise This in Order)
The complete CDL pre-trip inspection checklist in the order the examiner expects: engine compartment, in-cab, light check, walk-around and air brake check.
CDL Classes A, B, C Explained — Which Do You Need?
What's the difference between a Class A, B and C CDL? Weight limits, what each class lets you drive, required endorsements and which fits your career goal.
How to Use CDL Mock Tests: From 60% to 95% in 10 Days
Mock tests are the best CDL study tool if you use them right. A 10-day plan to lift your score from passing to comfortable, plus four mistakes to avoid.
Hours of Service (HOS) Rules Cheat Sheet for 2026
The current FMCSA Hours of Service rules in one cheat sheet: 11-hour driving limit, 14-hour duty window, 30-minute break, 60/70-hour rule and split-sleeper.
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