DMV

More CDL Practice Questions

11 free sample cdl questions covering several smaller topics, with the correct answer, a full explanation, and a source reference for each. Want to test yourself instead of just reading the answers? Find your state's free practice test.

easy

1. What does the "GOAL" technique stand for when backing a commercial vehicle?

AGo Only At low speed, a general rule for all backing maneuvers
BGuide Others Around, a term for directing a spotter’s position
CGet Out And Look, before and while backing
DGauge Overall Available Length, a way to measure a parking space
easy

2. What is a safety consideration when parking a commercial vehicle on or near a hill?

AThe parking brake alone is always sufficient on any grade
BWheel chocks are only needed for vehicles without air brakes
CParking on a hill requires no special precautions beyond normal parking
DUse wheel chocks and the parking brake together to prevent the vehicle from rolling
medium

3. Why does a commercial vehicle’s fire extinguisher need to be properly rated and charged, not just present?

AAn expired or incorrectly rated extinguisher may fail to put out the type of fire that occurs
BAny extinguisher works equally well regardless of its rating or charge
CThe rating only really matters for extinguishers used in a garage, not a vehicle
DA charged extinguisher is only required specifically for hazmat loads
medium

4. What should a driver generally avoid doing if a vehicle fire starts in the engine compartment?

ACalling for help before attempting to assess the situation further
BOpening the hood right away, since it can feed the fire more oxygen
CMoving the vehicle away from other traffic if it is safe to do so
DShutting off the engine before exiting the vehicle entirely
medium

5. What does it mean when a commercial vehicle or driver is placed "out of service"?

AIt is a routine administrative status with no effect on driving
BA violation serious enough was found that operation must stop until it’s corrected
CIt only ever applies to vehicles, never to a driver’s ability to operate
DIt means the vehicle has been permanently taken off the road
medium

6. What can happen if a driver is found to have violated hours-of-service limits during a roadside inspection?

AOnly a verbal warning is issued for a first-time hours-of-service violation
BThe driver can be placed out of service until enough off-duty time has been accumulated
CThe vehicle is impounded permanently regardless of the specific violation
DHours-of-service violations only affect the carrier, never the driver directly
easy

7. What does an out-of-service sticker placed on a vehicle during an inspection indicate?

AThe vehicle may still be driven locally, just not on interstate highways
BThe sticker is only a recommendation, not a binding restriction
CThe vehicle may not be operated again until the noted defects are repaired and verified
DThe sticker restricts operation for a fixed 24 hours regardless of the defect
medium

8. Under federal rules, how far from the nearest rail must certain commercial vehicles (such as buses and HazMat-placarded vehicles) stop at a railroad crossing?

ABetween 5 and 10 feet from the nearest rail
BExactly at the crossing’s stop line, with no minimum distance specified
CBetween 15 and 50 feet from the nearest rail
DThere is no federally specified stopping distance for any vehicle
medium

9. Which commercial vehicles are federally required to stop at railroad crossings, even without a stop sign present?

AOnly vehicles towing a trailer of any kind whatsoever
BOnly vehicles registered specifically for interstate travel
CNo commercial vehicle has any special stopping requirement at crossings at all
DBuses carrying passengers and vehicles required to be placarded for hazardous materials
easy

10. When approaching a railroad crossing without gates or flashing signals, what should a commercial driver do?

AProceed at normal speed unless a train is already clearly visible
BOnly slow down if the vehicle is hauling hazardous materials
CLook only in the direction the vehicle happens to be heading
DSlow down, look both ways, and listen for a train before proceeding
easy

11. Why should a driver avoid shifting gears while crossing railroad tracks in a manual-transmission commercial vehicle?

AShifting could cause the vehicle to stall while it is still on the tracks
BShifting while crossing tracks actually improves traction on the rails
CIt is only a concern for empty vehicles, not loaded ones
DShifting gears has no real effect on crossing tracks safely