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CDL General Knowledge

200 practice questions, split into sets of 50

Real CDL General Knowledge exam: 50 questions, 80% to pass

Choose a practice set

Set 150 questions Set 250 questions Set 350 questions Set 450 questions

Topics covered in this practice test

Pre-trip vehicle inspection
Hours of Service (HOS) rules
Air brakes fundamentals
Hazardous materials and placards
Tanker vehicle operations
Doubles and triples handling
Passenger transport rules
Railroad crossing procedures
Weight limits and weigh stations
CDL documentation requirements
Accident procedures
Alcohol and drug regulations (BAC .04)