Light snow begins to cover the highway and your retarder is on. What should you do?
Right! On wet, icy or snowy roads a retarder can make the drive wheels skid, so turn it off. 📖 p. 2-10
From Sections 1, 2 and 3 of the Texas Commercial Motor Vehicle Drivers Handbook
Texas 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 Texas Commercial Motor Vehicle Drivers Handbook
Your score on each part fills in as you study.
- Manual section 1
- Introduction: tests, medical rules and disqualificationsNot practiced yetp. 1-1 to 1-12
- Manual section 2 · 6 topics
- Vehicle inspectionNot practiced yetp. 2-1 to 2-7
- Vehicle control, seeing and communicatingNot practiced yetp. 2-8 to 2-13
- Speed, space and seeing hazardsNot practiced yetp. 2-14 to 2-23
- Night, weather, railroad crossings and mountainsNot practiced yetp. 2-24 to 2-33
- Emergencies, skids, crashes and firesNot practiced yetp. 2-34 to 2-39
- Alcohol, drugs, illness and hazmat basicsNot practiced yetp. 2-40 to 2-45
- Manual section 3
- Transporting cargo safelyNot practiced yetp. 3-1 to 3-4
Texas answers about this test
Practice material, not the official test: check every answer in your state's current handbook. Disclaimer · How the rounds work · DPS
All Texas CDL tests
- Texas Commercial Rules
- General KnowledgeYou're here
- Combination Vehicles
- Air Brakes
- Doubles and Triples
- Passenger
- School Bus
- Tank Vehicles
- Hazardous Materials
- Which tests do you need?Pick what you'll drive and get your Texas CDL plan, in order.