Free Nebraska CDL Combination Vehicles Practice Test 2023

You have to pass the Nebraska CDL combination vehicles endorsement to get ready for propelling your career with your license. You are looking for a good CDL Practice Test Nebraska source for your coming CDL test? You are in the right place. Our 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. Our CDL practice test covers topics ranging from combination vehicle maintenance to safely driving a complex rig. Each question is based on the official Nebraska 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 Nebraska CDL Combination Vehicles Practice Test today and walk out with your endorsement!

Our CDL practice tests:
Based on 2021 NE commercial driver's license manual
Full answers + detailed explanations
Perfect for first-time, renewal applicants
NE CDL Combination Vehicles Test format:
20 questions
16 correct answers to pass
80% passing score
List of questions
The air leakage rate for a combination vehicle (engine off, brakes on) should not be more than _____ psi per minute.
Hose couplers are also referred to as:
A function of the tractor protection valve is:
The iron trailer supports are up and the trailer is resting on the tractor. Make sure:
Spring brakes are not required on trailers and dollies built before:
The trailer service brakes should be tested with the hand control, and controlled during normal operation by:
Off-tracking or cheating causes which of these to follow the wider path while making a turn?
You have pushed the trailer air supply valve. You should not back a tractor under a trailer until the whole air system is:
Your emergency air line breaks or gets pulled apart while you are driving. The loss of pressure will cause the:
The locking jaws should be around:
A driver crosses the air lines when hooking up to an old trailer. What will happen?
The tractor should be positioned to back under the trailer:
The emergency air line is usually what color?
Some of the points for inspecting the coupling include the following except:
When coupling or uncoupling, all of these apply to the trailer except:
What gear should the tractor engine be in after you uncouple the trailer and are inspecting the trailer supports?
When driving a set of doubles, it is necessary to close which shut-off valve in the last trailer:
When coupling, the proper position of the fifth wheel is:
While driving, you should use the trailer hand valve when?
The front trailer supports are up and the trailer is resting on the tractor. Make sure: