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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. When driving in very hot weather, the heat will increase the chances of:
tire failure.
ABS malfunction.
loss of hydraulic pressure.
suspension system defects.
2. When using the controlled braking method, you:
apply the brakes as hard as you can without locking the wheels.
repeatedly tap the brakes as fast as you can.
lightly apply braking pressure.
apply the brakes all the way and release brakes when wheels lock up.
3. If you doubt you have enough space to pass under a bridge, you should:
turn on your headlights.
turn on your 4-way emergency flashers.
drive faster.
go slowly.
4. Which of the following will not prevent distracted driving?
Clearing the vehicle of any unnecessary objects.
Pre-programming radio stations.
Using your phone only when there is no traffic around you.
Planning your route before you begin driving.
5. If the vehicle ahead of you is smaller than yours:
it can probably stop faster than you can.
it will usually take longer to stop.
it will take the same amount of time to stop.
All of the above.
6. Name two situations in which it may not be safe to operate your vehicle at legal maximum weights.
In heavy traffic or at night
During bad weather or in mountains
Over bridges or through tunnels
All of the above.
7. _________ can make vehicle handling unsafe.
Poor ventilation
Poor weight balance
Dry roads
ABS
8. A cardboard box on the road:
should always be driven over to avoid sudden direction changes.
may contain some solid material capable of causing damage.
is likely to be empty and should not be considered a hazard.
will never damage vehicle parts if driven over.
9. Retarders:
improve gas mileage.
reduce braking distance.
help slow a vehicle, reducing the need for using brakes.
reduce the danger of slipping.
10. You should check wheel bearing seals for:
illegal stickers.
leaks.
gasoline.
broken leaf springs.
 
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MT CDL Test

Number of questions: 50
Correct answers to pass:40
Passing score:80%
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