Free Maryland CDL Combination Vehicles Practice Test 2023

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

Our CDL practice tests:
Based on 2021 MD commercial driver's license manual
Full answers + detailed explanations
Perfect for first-time, renewal applicants
MD CDL Combination Vehicles Test format:
20 questions
16 correct answers to pass
80% passing score
List of questions
When a vehicle goes around a corner, the rear wheels follow a different path than the front. This is called:
Semi-trailers made before 1975 that are equipped with air brakes:
You should not back a tractor under a trailer until the air system is:
The trailer air supply control knob is:
Spring brakes are not required on trailers and dollies built before:
Compared to a straight truck or bus, there are ______ things to inspect in combination vehicles.
The trailer service brakes should be tested with the hand control, and controlled during normal operation by:
When you are uncoupling a loaded trailer, you should lower the landing gear until it:
When connecting the glad hands, press the two seals with the couplers together at what degree to each other?
If you have to enter another traffic lane to complete a wide turn, you should:
A driver crosses the air lines when hooking up to an old trailer. What will happen?
How much space should there be between the upper and lower fifth wheel?
There are two things that a driver can do to prevent a rollover: They are: (1) go slow around turns, and (2):
When coupling or uncoupling, all of these apply to the trailer except:
In normal driving, some drivers use the hand valve before the brake pedal to prevent a jack-knife. Which of the statements is true?
You are about to back your tractor under a semitrailer. The trailer is at the right height when the:
Driving with an empty trailer:
After connecting the air lines but before backing under the trailer you should:
Triples combinations have a rearward amplification of:
If you cannot complete your turn without entering another traffic lane you should: