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.
The likelihood of a fully loaded rig turning over compared to an empty trailer is:
2.
While driving behind another vehicle, under good conditions, you should allow at least one second between your vehicle and the vehicle ahead for each ____ feet of your vehicle length.
3.
The higher the center of gravity of your truck, the:
4.
Over 50% of truck driver accident deaths are caused by:
5.
When connecting the glad hands, press the two seals with the couplers together at what degree to each other?
6.
In order to allow the trailer brakes to be applied more quickly, what is connected to the service air line?
7.
A major leak in the trailer emergency line will cause:
8.
When checking the trailer emergency brakes, the tractor protection control valve should be placed in what position?
9.
The best and earliest way to recognize that your trailer has started to skid is:
10.
Trailer landing gear:
11.
There are two things that a driver can do to prevent a rollover: They are: (1) go slow around turns, and (2):
12.
When coupling or uncoupling, all of these apply to the trailer except:
13.
You are about to back your tractor under a semitrailer. The trailer is at the right height when the:
14.
The "rearward amplification" value means:
15.
You supply air to the trailer tanks by:
16.
Rocky mountain doubles have a rearward amplification of about:
17.
To test the tractor protection valve, pump the brakes with the engine off until the trailer air supply knob pops out, usually at:
18.
While driving, you should use the trailer hand valve when?
19.
If you cannot complete your turn without entering another traffic lane you should:
20.
A specific item to check on a sliding fifth wheel is: