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General KnowledgeCombination VehiclesAir BrakesTank VehiclesHazmat
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Tennessee CDL General Knowledge Practice Test 1

Tennessee CDL Practice Test - General Knowledge. The CDL general knowledge test is required for all CDL applicants in Tennessee. The Tennessee CDL test consists of 50 questions, and you must answer at least 40 correctly to pass with a score of 80%. The general knowledge test covers the Tennessee CDL Manual. All CDL applicants in Class A, B, and C must study Driving Safely, Transporting Cargo Safely, Vehicle Inspection, Basic Control Skills, and the Road Test. Applicants who plan to operate vehicles equipped with air brakes must also study Air Brakes, and Class A applicants must also prepare for Combination Vehicles. Take this Tennessee CDL practice test now to prepare for the actual general knowledge exam. To earn your CDL, you must pass both the knowledge and skills tests. CDL knowledge tests may include General Knowledge, Passenger Transport, Air Brakes, Combination Vehicles, Hazardous Materials, Tanker Vehicles, Doubles/Triples, School Bus, and Firefighter. Depending on your license class and the endorsements you need, you may be required to take one or more of these tests. Special endorsements are required for certain vehicle types. The endorsements available with a Class A, B, or C CDL include 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 licenses.

Questions on this page
10
Exam questions
50
Correct to pass
40
Passing score
80%
Page
1 / 5

Page 1 — 10 practice questions

CDL General Knowledge

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Quick snapshot

  • Topic: CDL General Knowledge Practice Test 1
  • Focus: Safe driving, inspection, and control
  • Series: Page 1 of 5
1
Downgrades

Before starting down a long, steep downgrade, what does the Tennessee CDL manual tell you to do?

Question 1
2
ABS

If the yellow ABS malfunction lamp stays on after the bulb check or comes on while you are driving, what should you assume?

Question 2
3
Stopping Space

When stopping behind another vehicle, where should you stop?

Question 3
4
Cargo Securement

After beginning a trip with cargo, when must you inspect the cargo and securement devices again?

Question 4
5
Backing

What is the safest procedure when you must back a commercial vehicle?

Question 5
6
Wet Brakes

According to the Tennessee CDL manual, what can wet brakes do?

Question 6
7
Traction

If the drive wheels begin to spin because you used too much power, what should you do first?

Question 7
8
Skid Control

What causes most serious skids, according to the Tennessee CDL manual?

Question 8
9
Railroad Crossings

How should you handle shifting while crossing railroad tracks?

Question 9
10
Fatigue

Which of the following is listed as a warning sign that you should stop and rest?

Question 10
You must answer every question on this page before continuing.
Page 1 of 5