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Test 3
General Knowledge
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Alabama CDL General Knowledge Practice Test 3

Alabama CDL Practice Test - General Knowledge. The CDL general knowledge test is required for all CDL applicants in Alabama. This Alabama 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 Alabama 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 Alabama 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 3
  • Focus: Safe driving, inspection, and control
  • Series: Page 1 of 5
1
Pre-Trip Inspection

During a pre-trip inspection, what should you look for around wheel bearing seals?

Question 1
2
Suspension

What condition makes a leaf spring unsafe during inspection?

Question 2
3
Suspension

What should you check on shock absorbers?

Question 3
4
Tires

When is tire pressure most accurately checked?

Question 4
5
Wheels

What may rust trails around wheel nuts indicate?

Question 5
6
Brake Inspection

Why are cracked brake drums or discs dangerous?

Question 6
7
Electrical System

Why should battery boxes and covers be secure?

Question 7
8
Backing

Why is backing toward the driver's side preferable to blind-side backing when you have a choice?

Question 8
9
Backing

If you are unsure about clearance while backing, what should you do?

Question 9
10
Backing

When using a helper to back, what should you do if you lose sight of the helper?

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