Free Pennsylvania CDL Double/Triple Trailers Practice Test 2022

Do you know how to pair double or triple trailers? If you are planning to take the CDL double/triple trailer endorsement test, make sure to know it! Our Pennsylvania CDL Practice Test has the same questions as the real exam which is based on the PA CDL Manual. It covers most of the subject areas on the Double/Triple Trailers Test such as pulling double and triple trailers, the risk of rollover, managing space, and special considerations when hauling multiple trailers. In addition, each question has a detailed explanation that will help you understand the concept and answer future questions about it correctly. If you don't get the pass right away, you can take this CDL practice test an unlimited number of times to make sure you learn all the questions. Let’s try our Free Pennsylvania CDL Double/Triple Trailers Practice Test today and pass your CDL endorsement exam! Good luck and keep driving safely!

Our CDL practice tests:
Based on 2022 PA commercial driver's license manual
Full answers + detailed explanations
Perfect for first-time, renewal applicants
PA CDL Double/Triple Trailers Test format:
20 questions
16 correct answers to pass
80% passing score
List of questions
1.
What is the purpose of a front-brake limiting valve?
2.
The air compressor governor stops air from pumping when it reaches the "cut-out" level or around generally _________.
3.
When connecting converter dolly to the front trailer, support gear should be:
4.
When you turn with the tractor/triple trailer combination, the wheels that off-track (cheat) the most are:
5.
A low pressure warning signal could be __________.
6.
Brake linings should not be _______.
7.
You are driving a set of doubles and a set of trailer wheels goes into a skid. Which of these is most likely to occur?
8.
Which of these statements about the handling of doubles and triples is true?
9.
If the dolly has spring brakes, release them with:
10.
A safety valve that releases air _______.
11.
What distinguishes a wedge brake from other types of brakes?
12.
A danger of a malfunctioning tractor protection valve is:
13.
If the air compressor has its own oil supply you should do what before driving?
14.
When driving doubles or triples, for safer handling which trailer should be at the rear?
15.
Vehicles without automatic air tank drains need to be checked manually to remove ________?
16.
When you need to apply more pressure to help your brakes work normally effectively, this means that your brakes are fading. Which of the following can cause fading brakes?
17.
Why should the air hoses connected to the brake chambers be checked?
18.
Why should you never push the brake pedal down when the spring brakes are on?
19.
If the malfunction lamp stays on after the bulb check, __________.
20.
The last step to uncouple a converter dolly is: