Skip to content

Home
Login
Categories
- Allied Health
- Career
  - ASE
  - Bar
  - Comptia
  - Engineering
  - OSHA
  - Postal
  - Project Management
  - Real Estate
  - ServSafe
  - Other Career
- College Admissions
  - ACT
  - AP
  - PSAT
  - SAT
  - TSI
  - Other College Admissions
- Drivers Ed
  - CDL
  - DMV
- Education
- English Language
- Finance
- Government and Military
- Grad School Admissions
  - DAT
  - GMAT
  - GRE
  - LSAT
  - MCAT
  - Other Grad School Admissions
- High School Equivalency
  - GED
  - Other High School Equivalency
- Intelligence and Personality
- K-12
- Nursing
  - CNA
  - HESI
  - NCLEX
  - TEAS
  - Other Nursing
Popular Practice Tests
Online Courses
About Us

Menu

Home
Login
Categories
- Allied Health
- Career
  - ASE
  - Bar
  - Comptia
  - Engineering
  - OSHA
  - Postal
  - Project Management
  - Real Estate
  - ServSafe
  - Other Career
- College Admissions
  - ACT
  - AP
  - PSAT
  - SAT
  - TSI
  - Other College Admissions
- Drivers Ed
  - CDL
  - DMV
- Education
- English Language
- Finance
- Government and Military
- Grad School Admissions
  - DAT
  - GMAT
  - GRE
  - LSAT
  - MCAT
  - Other Grad School Admissions
- High School Equivalency
  - GED
  - Other High School Equivalency
- Intelligence and Personality
- K-12
- Nursing
  - CNA
  - HESI
  - NCLEX
  - TEAS
  - Other Nursing
Popular Practice Tests
Online Courses
About Us

Login

Search

Close this search box.

CDL Doubles and Triples Practice Test 1

By Dave Evangelisti / March 20, 2023

Time limit: 0

Exam Summary

0 of 10 Questions completed

Questions:

Information

You have already completed the exam before. Hence you can not start it again.

Exam is loading…

You must sign in or sign up to start the exam.

You must first complete the following:

Results

Exam complete. Results are being recorded.

Results

0 of 10 Questions answered correctly

Your time:

Time has elapsed

You have reached 0 of 0 point(s), (0)

Earned Point(s): 0 of 0, (0)
0 Essay(s) Pending (Possible Point(s): 0)

Average score
Your score

Categories

Not categorized 0%

Need More Help?

Driving-Tests.org is our recommended provider for CDL prep courses. Make sure you pass your exam the first time around.

CDL Prep Course

Return to CDL Home

1
2
3
4
5
6
7
8
9
10

Current
Review
Answered
Correct
Incorrect

Question 1 of 10

1. Question
What is rearward amplification?
- a. Weight transfer to the rear axles when going up a hill in a double/triple
- b. 'Crack-the-whip' effect when making quick lane changes
- c. The increased weight on the rear axles of a double or triple trailer
- d. Sudden, dangerous weight shift from the front to the rear trailer
Correct

Incorrect
Question 2 of 10

2. Question
In a set of triples, where should the heaviest trailer be?
- a. Second trailer position
- b. Third trailer position
- c. Either second or third trailer position
- d. First trailer position (behind the tractor)
Correct

Incorrect
Question 3 of 10

3. Question
Why should you never disconnect the pintle hook with the dolly still under the rear trailer?
- a. The dolly tow bar may fly up, possibly causing injury
- b. The kingpin may become damaged
- c. The pintle lock mechanism may become damaged
- d. The emergency brake will activate
Correct

Incorrect
Question 4 of 10

4. Question
When connecting the converter dolly to the front trailer, what do you do first?
- a. Secure converter gear support in the upright position
- b. Release dolly brakes
- c. Back first semitrailer in front of dolly tongue
- d. Lock pintle hook
Correct

Incorrect
Question 5 of 10

5. Question
If a second trailer does not have spring brakes, how should you set the brakes when you are coupling?
- a. Connect the service air line to the trailer and use the Johnson bar to work the trailer brakes.
- b. Drive the tractor close to the trailer, connect the emergency line to charge the trailer air tank and disconnect the emergency line
- c. Manually adjust the slack adjusters to move the brake shoes in contact with the trailer brake drums
- d. Connect the service air line to the trailer and press down on the brake pedal while you connect the trailer
Correct

Incorrect
Question 6 of 10

6. Question
Pushing in the trailer air supply knob will do what?
- a. Supply air to the service air line
- b. Supply air to the emergency air line
- c. Shut off air to the trailer air tank
- d. Put on the emergency brakes
Correct

Incorrect
Question 7 of 10

7. Question
How should you check that you have sufficient emergency airflow to all trailers in a set of doubles or triples?
- a. Use the trailer hand brake to supply air. Go to the rear of the last trailer, open the service line valve and listen for air escaping.
- b. Move the trailers and apply the emergency brakes.
- c. Push in the red trailer air supply knob, open the emergency line shut-off valve at the rear of the last trailer and listen for air escaping.
- d. Fully charge the air system, activate the emergency brakes and look for a 15 psi air pressure reduction
Correct

Incorrect
Question 8 of 10

8. Question
What is the main purpose of a trailer shut-off valve?
- a. It works the trailer brakes
- b. To be used only for emergency stopping
- c. A coupling device that connects the air lines between converter dollies and trailers
- d. To close the air lines of the last trailer to prevent air from leaking out
Correct

Incorrect
Question 9 of 10

9. Question
What is the correct position of the shut-off valves for the last trailer of a doubles or triples set?
- a. Fully closed
- b. Fully open
- c. Partially open
- d. Emergency shut-off valve open; service shut-off valve closed
Correct

Incorrect
Question 10 of 10

10. Question
What is the correct position of the shut-off valves for the first trailer of a doubles or triples set?
- a. Fully closed
- b. Fully open
- c. Partially closed
- d. Emergency shut-off valve closed; service shut-off valve open
Correct

Incorrect

About Test-Guide.com

Test-Guide.com is a learning platform that helps millions of test takers conquer their exams with our free practice tests, study tools, and online courses.

Popular Resources

Recommended Prep Courses
All Practice Tests

Twitter Facebook Youtube Pinterest

Disclaimer: Test-Guide.com is unaffiliated with, and completely independent of, all testing organizations such as ACT, Inc., Educational Testing Service, the Graduate Management Admission Council, etc., and receives no promotional funding from any such organization. All trademarks used on this site such as ACT, GRE, and SAT are registered trademarks of their respective owners, and are used here solely for purposes of identification.

About Us
Contact Us
Affiliate Disclosure
Copyrights
Request for Data Removal
Comment Policy
Privacy
Terms
Refund Policy

Exam Summary

Information

Results

Results

Categories

Need More Help?

1. Question

2. Question

3. Question

4. Question

5. Question

6. Question

7. Question

8. Question

9. Question

10. Question