DMV CDL Tests logo
DMV CDL Tests
Test #4
General KnowledgeCombination VehiclesAir BrakesTank VehiclesHazmat
TN
HomeTennesseeCDLGeneral Knowledge Practice Test 4
Tennessee • CDL • Test 4

Tennessee CDL General Knowledge Practice Test 4

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 4 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

  • Select the best answer for each question.
  • Read every option carefully before choosing.
  • Your answers now stay saved when you refresh or move between pages.

Quick snapshot

  • Topic: CDL General Knowledge Practice Test 4
  • Focus: Safe driving, inspection, and control
  • Series: Page 1 of 5
1
Seeing Ahead

According to the Tennessee CDL manual, how far ahead should most good drivers look?

Question 1
2
Mirrors

How should you use your mirrors while driving on the road?

Question 2
3
Communicating

When preparing to turn, when should you signal?

Question 3
4
Following Distance

If you are driving a 40 foot vehicle below 40 mph, what following distance should you leave?

Question 4
5
Following Distance

If you are driving a 40 foot vehicle over 40 mph, what following distance should you leave?

Question 5
6
Following Distance

If you are driving a 60 foot rig over 40 mph, what following distance should you leave?

Question 6
7
Tailgaters

If someone is tailgating you, what is one of the best things you can do?

Question 7
8
Hydroplaning

Hydroplaning can occur at speeds as low as what, if there is a lot of water?

Question 8
9
Winter Driving

When temperatures drop, what freezes before the road surface?

Question 9
10
Fog

What is the best advice for driving in fog?

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