Free Massachusetts CDL General Knowledge Practice Test 2023

You are looking for actual practice for your coming CDL test? So you have come to the right place. Our MA General Knowledge Practice Test has the same questions as the real exam which is based on the MA CDL Manual. Our CDL practice test pack covers most of the subject areas on the Massachusetts General Knowledge Test such as shifting techniques, railroad crossing safety, drunk driving laws, and much more to make you become a safer driver. In addition, each question has a detailed explanation that will help you understand the concept and answer future questions about it correctly. If you don't get the pass right away, don't worry, you can take this practice test an unlimited number of times to make sure you learn all the questions. Our Massachusetts CDL Practice Test will refine your driving knowledge so you can earn your CDL and start driving on the roads. Let’s take our practice test now!

Our CDL practice tests:
Based on 2021 MA commercial driver's license manual
Full answers + detailed explanations
Perfect for first-time, renewal applicants
MA CDL General Knowledge Test format:
50 questions
40 correct answers to pass
80% passing score
List of questions
You are driving on a slippery road during the day. What does the Driver’s manual say about how much space you should keep ahead of your truck?
You are driving on a clear night with your low beam lights on. If your headlights let you see about 250 feet ahead of you, you should adjust your speed so that you can stop within about _____ feet.
What is the minimum WLL of each tiedown used to secure crushed or flattened vehicles?
What violation has occurred on the below log?

You are checking your tires for a pre-trip inspection. Which of these statements is true?
By law, who is ultimately responsible for ensuring the safety and road-worthiness of a CMV?
Define 'bolster':
Which of these statements about alcohol is NOT true?
What is the proper way to hold a steering wheel?
You are driving a 40-foot vehicle at 35 mph. The road is dry, and visibility is good. What is the least amount of space you should keep in front of your vehicle to be safe?
You are checking your brakes and suspension system for a pre-trip inspection. Which of these statements is true?
Why Do HOS Regulations Exist?
Methods to keep a cradle from sliding include:
An anchor point is defined as:
You are driving a vehicle that could be driven safely at 55 mph on an open road. But traffic is heavy and other vehicles drive at the speed of 35 mph, though the speed limit is 55 mph. The safest speed for your vehicle is more likely to be:
Retreaded, recapped, or regrooved tires are allowed on the front wheels of a bus when?
What does DOT stand for?
If your vehicle catches fire while you are driving, you should:
All of the following are considered excessive speeding except:
In case of which fires can you use water to put it out?
You are traveling down a long, steep hill. Your brakes get so hot that they have failed. What should you do?
When securing concrete pipe with a diameter up to 45 inches loaded crosswise as a group,lengthwise tiedowns should be either one 1/2 in chain or wire rope, or:
Sliding the 5th wheel will change the weight distribution almost exclusively between which sets of axles?
When entering or crossing traffic, observe all of the following EXCEPT:
In case of brake failure, methods of stopping the vehicle include escaping into an open field, side street, or ramp, and:
A car suddenly cuts in front of you, creating a hazard. Which of these actions should you NOT take?
What is the minimum securement requirement for paper rolls with eyes vertical with a width between 1.25 and 1.76 its diameter?
Most skids:
Which of these should you NOT do in an emergency situation?
A tiedown with a marked WLL of 8,000 lbs directly attached to an article has an actual WLL of:
When confronted with an aggressive driver, you should do all of the following except:
What violations occurred in this example?
Day 1

Day 2
You are driving a heavy vehicle with a manual transmission. You have to stop the vehicle on the shoulder while driving on an uphill grade. Which of these is a good rule to follow when putting it back in motion up the grade?
Whenever possible, a row of metal coils with eyes vertical requires one direct tiedown to secure against rearward movement at what maximum angle?
Aggregate Working Load Limit is defined as:
In general, the best braking technique to use in maintaining a safe speed when driving on a downgrade is:
When going down a long steep downgrade you should always:
Who is responsible for inspecting securing devices and cargo within the first 50 miles?
Cargo that isn't prevented from forward movement, and is 4 feet long and weighs 1,500 lbs requires a minimum of how many tiedowns?
Which of these items is NOT checked for a pre-trip inspection?
What should you do when your vehicle hydroplanes?
What is the minimum nominal dimension of timber blocking used to secure concrete pipe?
Water should never be used to put out a gasoline fire, and also what other kind of fire?
When securing flattened or crushed cars on a vehicle with containment on 2 sides, how many tiedowns, at minimum, are required?
The condition of all in-cab controls should be checked for:
On what day and time does an 11 hour rule violation occur?
Day 1

Day 2

You receive a scale ticket and your drive axles are 35,400 and your trailer tandems are 31,100. Based upon the two most common tandem slider rail hole spacings, what is the minimum number of holes you would have to slide the tandems to get the weight legal, and in which direction?
How long does it typically take a tractor-trailer to cross a single set of railroad tracks?
There will be times when you must take a minimum of a 30 minute break off duty before performing which of the following tasks?
When securing paper rolls with eyes vertical in a sided vehicle all of the following are acceptable except: