View instructions
The CDL general knowledge test is required to be taken by all CDL applicants. The Maine CDL test consists of 50 questions. To pass, you must correctly answer at least 40 questions (80%). The general knowledge test covers the contents of the Maine CDL Manual. All CDL applicants (Class A, B and C) must study the following sections: Driving Safely, Transporting Cargo Safely, Air Brakes (if you plan to operate vehicles equipped with air brakes), Vehicle Inspection Test, Basic Control Skills Test, Road Test. In addition, the Class A CDL test will include questions based on the Combination Vehicles section. Take this CDL practice test now to prepare for the actual ME general knowledge test! To get your CDL, you must pass both the knowledge and skills tests. CDL knowledge tests include: General Knowledge, Passenger Transport, Air Brakes, Combination Vehicles, Hazardous Materials, Tanker Vehicles, Doubles/Triples, School Bus, Firefighter. Depending on what class of license (A, B or C) and endorsements you need, you must take one or more knowledge tests. A special endorsement is also required to drive certain types of vehicles. The following endorsements may be used with a Class A, B or C CDL: HazMat (H), Tank Vehicles (N), Tank Vehicles Transporting Hazardous Materials (X) and Passenger Transport (P). The School Bus endorsement (S) is only available for Class A or B CDL, and the Doubles/Triples endorsement (T) is only available for Class A driver's licenses.
1. At dawn, dusk, in rain or snow, to make yourself easier to see you should:
use the emergency flashers.
use the low beams.
use the high beams.
2. When transporting cargo, drivers:
should not inspect the cargo within the first 50 miles of a trip.
should inspect the securement of the cargo only if they see problems that could cause a crash.
must inspect the securement of the cargo within the first 50 miles of a trip.
3. When backing, it is important to use a helper whenever possible. Why?
Because you cannot see everything behind your vehicle.
Because it's required by law.
To make sure you don't damage your truck.
4. When driving at night, if drivers of oncoming vehicles do not put their low beams on, you should:
look slightly to the right at a right lane or edge marking, until the vehicles pass.
look directly at the headlights.
flash your high beams to remind the other drivers to use their low beams.
5. When driving a modern truck, the gear you should be in before starting down a hill is usually_____ the gear required to climb the same hill.
lower than
the same as
higher than
6. Which of the following is not a way to know when to change gears?
Use engine speed (rpm)
Use road speed (mph)
Check that the pressure gauge shows normal oil pressure
7. Axle weight is:
the maximum safe weight a tire can carry at a specified pressure.
the weight of one axle.
the weight any axle or combination of axles transmits to the ground.
8. In your mirror, you see a car approaching from the rear. The next time you check your mirror, you don't see the car. If you wish to change lanes, you should:
assume the car left the roadway and change lanes as normal.
wait until you are sure the car isn't in your blind spot.
ease into the other lane slowly so the other car can get out of the way.
9. If an aggressive driver confronts you, you should NOT:
try to let them pass.
make eye contact.
ignore gestures.
10. What should you do if you doubt you have safe space to pass under a low bridge?
If no warnings are posted, assume there is enough clearance under the bridge and proceed slowly.
Increase the weight of your vehicle to clearing under the bridge.
Go slowly, and take another route if you are not sure you can make it.
Page 1 of 5
Next page

ME CDL Knowledge Test

Number of questions: 50
Correct answers to pass:40
Passing score:80%
Share This Online CDL Test
Rate this CDL Knowledge Test
4.5 out of 5
based on 135 votes