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Test #3
General KnowledgeCombination VehiclesAir BrakesTank VehiclesHazmat
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Tennessee CDL General Knowledge Practice Test 3

Tennessee CDL Practice Test - General Knowledge. The CDL general knowledge test is required for all CDL applicants in Tennessee. This Tennessee CDL General Knowledge Practice Test 3 contains 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

Instructions

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Quick snapshot

  • Topic: CDL General Knowledge Practice Test 3
  • Focus: Safe driving, inspection, and control
  • Series: Page 1 of 5
1
Alcohol Threshold

At what blood alcohol concentration is it illegal to operate a commercial motor vehicle?

Question 1
2
Alcohol Test Refusal

For a first offense, refusing alcohol testing while operating a CMV can result in losing your CDL for at least:

Question 2
3
Hazmat Alcohol Penalty

If a first disqualifying alcohol offense occurs while operating a placarded hazardous materials CMV, the minimum CDL disqualification is:

Question 3
4
Serious Traffic Violations

Which of the following is listed as a serious traffic violation for CDL purposes?

Question 4
5
Two Serious Violations

If you commit two serious traffic violations in a CMV within a three-year period, you will lose your CDL for at least:

Question 5
6
Three Serious Violations

If you commit three serious traffic violations in a CMV within a three-year period, you will lose your CDL for at least:

Question 6
7
Rail Crossing Violation

For a driver who is not always required to stop at railroad crossings, which action is a violation?

Question 7
8
Space to Clear Tracks

Entering a railroad crossing without enough room to get your entire vehicle across is:

Question 8
9
CLP Passenger Restriction

A Commercial Learner Permit issued with a Passenger or School Bus endorsement must also include which restriction?

Question 9
10
Transmission Restriction

If you take the skills test in a vehicle with an automatic transmission, which restriction may be added to your CDL?

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