Free Delaware CDL Double/Triple Trailers Practice Test 2022

Do you know how to pair double or triple trailers? If you are planning to take the Delaware CDL double/triple trailer endorsement test, make sure to know it! Our Delaware CDL Practice test has the same questions as the real exam which is based on the Delaware 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 Delaware 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 DE commercial driver's license manual
Full answers + detailed explanations
Perfect for first-time, renewal applicants
DE CDL Double/Triple Trailers Test format:
20 questions
16 correct answers to pass
80% passing score
List of questions
1.
What is the "cut-in" pressure for most air compressor governors?
2.
Which is true when checking air flow to all trailers?
3.
When connecting converter dolly to the front trailer, support gear should be:
4.
The most efficient way to drive down a long grade is to ________.
5.
Air brakes take longer to stop than hydraulic brakes because _______.
6.
In terms of stability, doubles and triples are:
7.
When coupling or uncoupling, trailer or dolly wheel should always be:
8.
A front brake limiting valve ______.
9.
During a normal drive, the spring brakes are held back by _____.
10.
When inspecting the shut-off valves on doubles and triples, all of the following is true except:
11.
An air compressor can be cooled by _______.
12.
When the safety valve releases air this indicates ___________.
13.
Which of the following is the most common reason brakes fade?
14.
Why should the air hoses connected to the brake chambers be checked?
15.
It's important that a warning signal comes on before the air pressure in the tank falls below _______.
16.
If the air compressor does not have its own oil supply, how is it lubricated?
17.
When performing the controlled braking method for an emergency stop, you are _________.
18.
Why should you never push the brake pedal down when the spring brakes are on?
19.
To position the converter dolly over short distances you can:
20.
Why is it so crucial to drain your vehicle's air tanks at the end of each day of driving?