Free Colorado CDL Combination Vehicles Practice Test 2022

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

Our CDL practice tests:
Based on 2022 CO commercial driver's license manual
Full answers + detailed explanations
Perfect for first-time, renewal applicants
CO 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.
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.
Supplied by the service line from the tractor, each trailer or dolly has its own:
8.
To help prevent rollover, keep the center of gravity of the load as low as possible, and:
9.
Rearward amplification is a major cause of:
10.
When pulling trailers:
11.
The emergency air line controls the emergency brakes on combination vehicles, and:
12.
To help release the fifth wheel locking lever:
13.
Improperly greased or lubricated fifth wheels will cause:
14.
When unlocking the fifth wheel in Step 6, all of the following apply except:
15.
Trailers will have an ABS malfunction lamp:
16.
How much space should there be between the upper and lower fifth wheel?
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.
To test the tractor protection valve, pump the brakes with the engine off until the trailer air supply knob pops out, usually at:
20.
At the back of trailer used to tow other trailers are shut-off valves, also called: