In Partnership with William K. Kohrs Memorial Library

View instructions
The CDL general knowledge test is required to be taken by all CDL applicants. The Montana 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 Montana 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 MT 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. Service brakes should:
be checked before each trip.
always be checked before applying the brakes.
only be checked by a mechanic.
All of the above.
2. If your trucks has a high center of gravity, which of the following is true for curves?
Reduce your speed to a crawl.
You should travel at the posted speed limit.
You should slow down, as your truck can roll over at the posted speed limit for the curve.
None of the above.
3. When driving in foggy conditions you should:
speed up.
slow down.
drive on the shoulder.
flash your brake lights.
4. Before starting down a hill, you should slow down and shift down:
so you can coast downhill.
to a speed that you can control without using the brakes hard.
to a gear that will cause your engine to exceed its redline.
to a gear that will cause your brakes to overheat.
5. What is the minimum number of tie-downs for a 20 foot load?
6. If you let air out of hot tires:
as the tire cools, the air pressure will be too low.
the tires will cool off much sooner.
air pressure will increases, causing the tires to blow out.
None of the above.
7. Your chances of avoiding an accident depend upon how well you take action. When you are about to hit an obstacle ahead, you should remember that:
stopping is always the safest thing to do in an emergency.
leaving the road is more risky than hitting another vehicle.
you can almost always turn to miss an obstacle more quickly than you can stop.
All of the above.
8. When driving at night you should:
keep the interior light on.
always use low beams.
use your high beams when it is safe and legal to do so.
All of the above.
9. The height of the vehicle's center of gravity:
is very important for safe handling.
should only be a concern when driving in high winds.
should only be a concern when driving a vehicle.
should only be a concern when loading a vehicle.
10. Your driver license doesn't have the hazardous materials endorsement. You can drive a vehicle that carries hazardous materials if:
you are transporting hazardous materials for less than 50 miles.
one of your passengers has the hazardous materials endorsement.
the vehicle does not require placards.
All of the above.
Page 1 of 5
Next page

MT CDL Practice Test

Number of questions: 50
Correct answers to pass:40
Passing score:80%
Share This Online CDL Test
Rate this CDL Practice Test
5 out of 5
based on 249 votes