Question 1
The service air line is often controlled by the foot brake and is attached to the ____ valves.
Correct Answer:
Relay
Question 2
When coupling, after you've connected the air lines to the trailer, you should:
Correct Answer:
Supply air to the trailer.
Question 3
While inspecting a coupling, you should go under the trailer and:
Correct Answer:
Look into the back of the fifth wheel.
Question 4
In a sudden turn, the ____ trailer is the most likely to turn over.
Correct Answer:
Last
Question 5
Older trailers are not equipped with spring brakes. This means that if the air supply for a vehicle's air braking system leaks away:
Correct Answer:
The trailer will not have brakes.
Question 1 of 20
Exam overview

About this Exam

Prepare with the Alabama CDL Combination Test 2 practice quiz. This question bank includes 20 questions covering trailer, vehicle, valve, coupling, and turn. Use it to review important concepts, identify knowledge gaps, and build confidence for the related exam, course, or assessment.

More details

Additional Information

Alabama CDL Combination Test 2

This practice set contains 20 questions from the matching question bank and focuses on trailer, vehicle, valve, coupling, and turn. Work through each question carefully, review the provided solutions, and revisit topics that need more study before your next attempt.

This is an independent study resource intended for practice and review; it is not an official examination or an endorsement by any organization named in the title.

Quiz information

Frequently Asked Questions

There are currently 20 available practice questions in this quiz.
No fixed duration is currently configured for this quiz.
Question explanations are included where they are available in the quiz content, helping you review the reasoning after answering.
Yes. You can retake the practice test again as you continue studying during your available access period.
After your access is confirmed, you can continue into the complete practice exam from this quiz flow.
Unless explicitly stated otherwise, this page provides independent practice material for study and exam preparation and is not the official examination itself.
Keep studying

Related Questions