Free Delaware CDL Combination Vehicles Practice Test 2022

You have to pass the CDL combination vehicles endorsement to get ready for propelling your career with your license. You are looking for a good Delaware CDL Practice test source for your coming CDL test? You are in the right place. Our CDL practice test is a great resource for beginners. The test is designed for you to have exactly the experience of the exam as you will be more familiar with both the test format and the subject. The Practice Test covers topics ranging from combination vehicle maintenance to safely driving a complex rig. Each question is based on the official Delaware CDL manual so you can be sure that the information in our test is accurate and relevant to your examination. In addition, each question has a detailed explanation so that it is very useful for you to learn from your mistakes. Preparing well before test day with questions and content that we cover. Start with our Free Delaware CDL Combination Vehicles Practice Test today and walk out with your endorsement!

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 Combination Vehicles Test format:
20 questions
16 correct answers to pass
80% passing score
List of questions
1.
After supplying air to the trailer, how should you check for crossed air lines?
2.
One good way to prevent rollover is:
3.
When inspecting the coupling area, all of the following are required except:
4.
Hose couplers are also referred to as:
5.
When traveling under 40 mph, how much distance should you leave, at minimum, from the car in front of you?
6.
If your trailer goes into a skid, you should do all of the following except:
7.
The shut-off valves at the back of the last trailer should be:
8.
Supplied by the service line from the tractor, each trailer or dolly has its own:
9.
When uncoupling, make sure that the parking area:
10.
When pulling trailers:
11.
When driving a combination vehicle with multiple trailers or dollies, all air shut-off valves except the last one at the back must be:
12.
The emergency air line controls the emergency brakes on combination vehicles, and:
13.
To help release the fifth wheel locking lever:
14.
The locking jaws should be around:
15.
When you notice that your trailer has lost traction and is going into a skid, you should:
16.
When parking trailers without spring brakes, it is very important to:
17.
A fifth wheel in proper position for coupling will have:
18.
All of these are part of the final 3 steps of uncoupling the trailer except:
19.
At the back of trailer used to tow other trailers are shut-off valves, also called:
20.
In case of landing gear failure while pulling out from under it, you should: