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 function of a stop light switch?
2.
How can you be sure you supplied air to a second trailer?
3.
You are driving a 100-foot truck with double trailers at 30 mph. The road is dry, and visibility is good. You should keep at least ______ seconds of space ahead of you.
4.
When coupling, correct trailer height should:
5.
How do air-operated disc brakes work?
6.
When testing the coupling of the double trailer, the landing gears of the rear trailer should be:
7.
On older vehicles, a low air pressure warning signal comes on at what psi?
8.
The increased likelihood of doubles and triples turning over is called:
9.
At 55 mph on dry pavement, the air brake lag distance is how many feet?
10.
Before you can supply air to the air tanks of a second trailer you need to:
11.
Where is compressed air stored?
12.
Wedge brakes and disc brakes are ______ than s-cam brakes.
13.
It's important that a warning signal comes on before the air pressure in the tank falls below _______.
14.
To apply the parking brakes, you should _______.
15.
When performing the controlled braking method for an emergency stop, you are _________.
16.
Why should you drain water from compressed air tanks?
17.
You are doing a walk around inspection of a double or triple trailer rig. You should be sure the converter dolly air tank drain valves are _____ and the pintle hook is _________.
18.
Why is it so crucial to drain your vehicle's air tanks at the end of each day of driving?
19.
When uncoupling the rear trailer, which of these should be done first?
20.
A visual inspection after coupling should show that: