Practice test

CDL Practice Exam 2

Free 25-question CDL practice exam on pre-trip inspection steps, CDL endorsements, and air brake fundamentals. Instant scoring with explanations.

These questions are for study practice only and are not official exam questions.

Question 1

1

Which of these must a CLP holder do before practicing on public roads?

Question 2

2

What is the minimum age to obtain a Commercial Learner's Permit under federal rules?

Question 3

3

What is the minimum age generally required for interstate commercial driving under federal rules?

Question 4

4

What is a Class A commercial driver's license generally required for?

Question 5

5

What is a Class B commercial driver's license generally required for?

Question 6

6

What is a Class C commercial driver's license generally used for?

Question 7

7

What does the 'H' endorsement on a CDL allow a driver to do?

Question 8

8

What does the 'N' endorsement on a CDL indicate?

Question 9

9

What does the 'P' endorsement on a CDL allow?

Question 10

10

What does the 'S' endorsement on a CDL authorize?

Question 11

11

What does the 'T' endorsement on a CDL allow a driver to do?

Question 12

12

What does the 'X' endorsement on a CDL represent?

Question 13

13

Which endorsements are the only ones a Commercial Learner's Permit holder may obtain?

Question 14

14

What is required in addition to a knowledge test to obtain a hazardous materials (H) endorsement?

Question 15

15

What is the minimum age to obtain a hazardous materials (H) endorsement, regardless of whether driving is intrastate or interstate?

Question 16

16

What does restriction code 'E' mean on a CDL?

Question 17

17

What does restriction code 'K' mean on a CDL?

Question 18

18

Which restriction code represents the broader limitation of not being allowed to operate any full air brake-equipped commercial motor vehicle?

Question 19

19

Which restriction code allows a driver to operate air-over-hydraulic brakes but not full air brakes?

Question 20

20

How is a restriction such as L or Z placed on a driver's CDL?

Question 21

21

What is the federal minimum passing score for CDL knowledge tests?

Question 22

22

Which of the following is true about the number of questions on the general knowledge test?

Question 23

23

What does 'ELDT' stand for in the context of new CDL applicants?

Question 24

24

Who is generally required to complete ELDT before testing?

Question 25

25

Where must ELDT training be completed for it to count toward CDL eligibility?

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