Save Time and Get a Pass Guarantee! LIMITED-TIME OFFER: Get CDL PREMIUM Now and SAVE $65!Upgrade To Premium


View instructions
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. If you must stop on or by a one-way or divided highway, you must place warning devices ___ feet, ___ feet, and ___ feet toward the approaching traffic.
5; 50; 100
15; 150; 300
20; 200; 400
10; 100; 200
2. Most heavy vehicles require ________ change gears.
single clutching
double clutching
double shifting
triple shifting
3. To avoid becoming a distracted driver you should:
avoid typing or reading a text message on a mobile device while driving.
clear the vehicle of any unnecessary objects.
plan your route before you begin driving.
All of the above.
4. Which of the following factors is NOT used to determine your safe speed when going down a long steep downgrade?
Total weight of the vehicle and cargo
Time of day
Length and steepness of grade
5. The heavier the vehicle:
the less work the brakes must do to stop it.
the more work the brakes must do to stop it.
the higher the center of gravity will be.
None of the above.
6. If your trailer starts to skid, you should:
use the trailer hand brake (if you have one) to straighten out the rig.
keep the rear of your vehicle close to the curb.
release the brakes to get traction back.
accelerate slightly.
7. What is a common cause of tire fires?
Loose lug nuts
Duals that touch
Cold tires
All of the above.
8. Before taking the road test, an applicant must hold a Commercial Learner’s Permit for:
7 days
30 days
3 days
14 days
9. Dry bulk tanks require special care. Why?
The load can shift.
All of the above.
They have a high center of gravity.
None of the above.
10. Before each trip, you must make sure:
your cargo obscures your view to the sides.
the cargo has a high center of gravity.
the cargo is balanced and secured.
the truck is overloaded.
Page 1 of 5
Next page

TN 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
4.7 out of 5
based on 255 votes