Free Pennsylvania CDL Combination Vehicles Practice Test 2022

You have to pass the Pennsylvania CDL combination vehicles endorsement to get ready for propelling your career with your license. You are looking for a good Pennsylvania CDL Practice Test 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 PA 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 Pennsylvania CDL Combination Vehicles Practice Test today and walk out with your endorsement!

Our CDL practice tests:
Based on 2022 PA commercial driver's license manual
Full answers + detailed explanations
Perfect for first-time, renewal applicants
PA CDL Combination Vehicles Test format:
20 questions
16 correct answers to pass
80% passing score
List of questions
1.
Before you back under a trailer, make sure that:
2.
When you open the emergency shut-off valve at the back of the last trailer after supplying air to trailer(s):
3.
Hose couplers are also referred to as:
4.
The shut-off valves at the back of the last trailer should be:
5.
Over 50% of truck driver accident deaths are caused by:
6.
If you have to enter another traffic lane to complete a wide turn, you should:
7.
When pulling trailers:
8.
What is the term for a commercial vehicle habit of swinging wide on turns?
9.
Improperly greased or lubricated fifth wheels will cause:
10.
When checking the trailer emergency brakes, the tractor protection control valve should be placed in what position?
11.
The best and earliest way to recognize that your trailer has started to skid is:
12.
When coupling or uncoupling, all of these apply to the trailer except:
13.
Why should you be sure that the fifth wheel plate is greased as required?
14.
After you have coupled the trailer you should raise the landing gear by using:
15.
When backing a tractor under a trailer you should:
16.
Rocky mountain doubles have a rearward amplification of about:
17.
The hand valve should be used:
18.
To test the tractor protection valve, pump the brakes with the engine off until the trailer air supply knob pops out, usually at:
19.
While driving, you should use the trailer hand valve when?
20.
Why should you lock the tractor glad hands to each other (or dummy couplers) when you are not towing a trailer?