How long before driving a CMV must you stop drinking alcohol in Michigan?
Right! Alcohol within four hours before operating a CMV leads to being put out of service. 📖 p. 12
From Sections 1, 2 and 3 of the Michigan Commercial Driver's License Manual
Michigan CDL General Knowledge Practice Test
Who takes it: every CDL class (A, B and C).
Inspection, safe driving and cargo: every CDL applicant takes it. 50 questions, 40 right to pass (80%).
Practice General Knowledge
- 10questions a round
- 8manual sections
Take the General Knowledge test
- 50questions
- 40correct to pass
- –no test taken yet
A General Knowledge question to try
Tap an answer to see if you’re right, and the page
Where it is in the Michigan Commercial Driver's License Manual
Your score on each part fills in as you study.
- Manual section 1
- Michigan's CDL program: groups, tests and violationsNot practiced yetp. 1 to 17
- Manual section 2 · 6 topics
- Vehicle inspectionNot practiced yetp. 19 to 25
- Vehicle control, seeing and communicatingNot practiced yetp. 26 to 31
- Speed, space and seeing hazardsNot practiced yetp. 32 to 42
- Night, weather, railroad crossings and mountainsNot practiced yetp. 43 to 50
- Emergencies, skids, crashes and firesNot practiced yetp. 51 to 57
- Alcohol, drugs, illness and hazmat basicsNot practiced yetp. 58 to 61
- Manual section 3
- Transporting cargo safelyNot practiced yetp. 63 to 65
Michigan answers about this test
Practice material, not the official test: check every answer in your state's current handbook. Disclaimer · How the rounds work · SOS
All Michigan CDL tests
- General KnowledgeYou're here
- Combination Vehicles
- Air Brakes
- Doubles
- Passenger
- School Bus
- Tank Vehicles
- Hazardous Materials
- Which tests do you need?Pick what you'll drive and get your Michigan CDL plan, in order.