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.
When a vehicle goes around a corner, the rear wheels follow a different path than the front. This is called:
2.
You should not back a tractor under a trailer until the air system is:
3.
How much space should be allowed between the upper and lower fifth wheel after coupling?
4.
A function of the tractor protection valve is:
5.
When traveling under 40 mph, how much distance should you leave, at minimum, from the car in front of you?
6.
To prevent water and dirt from entering the air system, hose couplers can be attached to dummy couplers or:
7.
When you get ready to back under a semitrailer you should line up:
8.
After you lock the kingpin into the fifth wheel, you should check the connection by:
9.
Tractor with a ______ trailer requires the shortest amount of stopping distance.
10.
Off-tracking or cheating causes which of these to follow the wider path while making a turn?
11.
When coupling, trailer height should:
12.
Your emergency air line breaks or gets pulled apart while you are driving. The loss of pressure will cause the:
13.
When should you use the hand valve to park a combination vehicle?
14.
The tractor should be positioned to back under the trailer:
15.
The emergency air line is usually what color?
16.
You have a major leak in the service line, and you put on the brakes. Service air will escape and cause the:
17.
All of these are part of the final 3 steps of uncoupling the trailer except:
18.
After connecting the air lines but before backing under the trailer you should:
19.
Air and electrical lines from the tractor to the trailer should be:
20.
Before getting out to inspect the coupling, secure the vehicle by putting transmission in neutral, shutting off engine and taking the key with you, and: