Free Idaho CDL Combination Vehicles Practice Test 2022

You have to pass the Idaho CDL combination vehicles endorsement to get ready for propelling your career with your license. You are looking for good source material for your coming CDL test? You are in the right place. Our Idaho 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. They cover topics ranging from combination vehicle maintenance to safely driving a complex rig. Each question is based on the official Idaho CDL manual so you can be sure that the information in our test is accurate and relevant to your examination. In addition, each CDL practice test 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 Idaho CDL Combination Vehicles Practice Test today and walk out with your endorsement!

Our CDL practice tests:
Based on 2022 ID commercial driver's license manual
Full answers + detailed explanations
Perfect for first-time, renewal applicants
ID CDL Combination Vehicles Test format:
20 questions
16 correct answers to pass
80% passing score
List of questions
1.
When a vehicle goes around a corner, the rear wheels follow a different path than the front. This is called:
2.
A tractor with a _______ trailer, requires the most amount of stopping distance.
3.
After the trailer has been coupled to the tractor, the tractor protection control valve should be placed in what position?
4.
For proper hose coupling, lines are often color-coded. Service lines are usually:
5.
To unlock the fifth wheel, the locking lever should be placed in the ______ position.
6.
A function of the tractor protection valve is:
7.
Spring brakes are not required on trailers and dollies built before:
8.
To prevent water and dirt from entering the air system, hose couplers can be attached to dummy couplers or:
9.
Which part of the kingpin should the locking jaw close around?
10.
Off-tracking or cheating causes which of these to follow the wider path while making a turn?
11.
What is the term for a commercial vehicle habit of swinging wide on turns?
12.
The trailer hand valve should be used:
13.
When uncoupling, the tractor should:
14.
The emergency air line is usually what color?
15.
You are coupling a tractor to a semitrailer and have backed up, but are not under it. What should you hook up before backing under?
16.
When backing a tractor under a trailer you should:
17.
You have a major leak in the service line, and you put on the brakes. Service air will escape and cause the:
18.
Air and electrical lines from the tractor to the trailer should be:
19.
When coupling, the proper position of the fifth wheel is:
20.
Triples combinations have a rearward amplification of: