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Texas General Knowledge Practice Test 2

25 questions covering general knowledge content, drawn from the FMCSA-aligned CDL question pool and the Texas Commercial Motor Vehicle Driver Handbook (DL-7C).

What this test covers

The General Knowledge test has 50 multiple-choice questions in most states (some states use a slightly different question count). You need an 80% score to pass. Topics include safe driving practices, transporting cargo safely, vehicle inspection procedures, communication with other drivers, speed and space management, hazard awareness, distracted-driving rules, fatigue and hours of service basics, accident procedures, and the consequences of alcohol and controlled substance use. The test draws from the General Knowledge section of your state's CDL manual.

Sample General Knowledge questions

Preview of what is on Practice Test 2. Unlock with Pro to take the full 25-question test.

3 free preview of 25
1

When driving a commercial vehicle at highway speeds in Texas, what is the recommended following distance?

2

In a vehicle with air brakes, what device keeps the air pressure from going too high?

3

Within how many miles of starting a trip must a CDL driver inspect their cargo and securement devices?

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Texas CDL General Knowledge Practice Test 2 2026 | DMV IQ