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GENERAL KNOWLEDGE CDL TEST TENNESSEE - PRACTICE TEST

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The CDL general knowledge test is required to be taken by all CDL applicants. The Tennessee 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 Tennessee 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 TN 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 more cargo is piled up in a truck, the center of gravity moves:
closer to the ground.
higher up from the road.
to the left side of the truck.
to the right side of the truck.
2. The safety valve installed in the first tank the air compressor pumps air is set to open:
every 15 minutes.
if there is too much pressure.
at 30 psi.
if there is too little pressure.
3. Which of the following is NOT one of the four a basic skills needed to operate a commercial vehicle?
Ability to back the vehicle safely
Ability to accelerate
Ability to multitask while driving
Ability to steer
4. Why should you back toward the driver's side?
You can see better.
Backing toward the right side is dangerous.
You can watch the rear of your vehicle by looking out the side window.
All of the above.
5. When inspecting the cargo, make sure it is:
secured properly for the first 50 miles after beginning a trip.
piled up.
not overloaded.
All of the above.
6. When driving in heavy traffic, the safest speed is:
slower than the speed of other traffic.
slightly higher than the speed of other traffic.
the speed of traffic.
the posted speed limit.
7. You should review the pre-trip inspection report from the last driver:
after each trip.
It doesn't have to be reviewed.
once a week.
during your pre-trip inspection.
8. Stab braking:
involves applying the brakes as hard as you can without locking the wheels.
involves applying the brakes all the way, and releasing them when wheels lock up.
should never be used.
involves steady pressure on the brake pedal without locking the wheels.
9. Blocking is used to:
protect people from spilled cargo.
protect the cargo from weather.
keep the cargo from sliding.
All of the above.
10. If the coolant container is not part of the pressurized system:
you can safely remove the cap and add coolant even when the engine is hot.
you should never remove the radiator cap or any part of the pressurized system until the system has cooled.
you should remove the container cap and wait until the system has cooled.
None of the above.
 
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TN CDL Practice Test

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