Permit · CDL
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Question 1 of 100 right · pass line 8
What is gross combination weight?
- 695CDL questionsAll eight knowledge tests, from General Knowledge to School Bus.
- 223with a picture or soundGauges, placards, signs, photos and warning sounds, like the real thing.
- 224tied to a federal ruleThe exact 49 CFR section behind the answer, one tap away.
CDL practice tests
CDL guides
- How to Get a CDL: Step by StepThe federal path to a commercial driver's license: classes, age, medical certificate, learner's permit, training, tests and restrictions.
- CDL Pre-Trip Inspection: Complete ChecklistA full CDL pre-trip inspection checklist: engine compartment, cab, lights, walkaround, coupling system, bus extras and air brake test numbers.
- CDL Endorsements and Restrictions ExplainedEvery CDL endorsement and restriction code in one place: what each allows, which tests you need, training rules and matching practice tests.
State permit tests
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