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
The center of gravity of a load:
Securing cargo on a flatbed trailer is typically done using:
Applying the brakes repeatedly on a downgrade to reduce speed 5 mph below your target is called:
Which day below contains at least 1 violation?
Day 1

Day 2
Whenever you double your speed, your vehicle has about how many times of destructive power if it crashes?
On an accident scene, if a qualified helper is present you should:
When driving in very hot weather, it is critically important to carefully inspect:
Overloading can have all of the following effects except:
What is a 34 hour restart?
To secure a cubic-shaped boulder, how many tiedowns are required, at minimum?
How many on duty hours are remaining after the following has been logged (use a scratch sheet of paper if you need to):
- On duty/not driving: 3 hours
- Driving: 4 hours
- Sleeper berth: 8 hours
- Driving: 7 hours
- Off duty: 2 hours
Which of these are requirements for securement systems?
Which of these are not part of the front pre-trip inspection?
When you sight-side back your vehicle into an alley stopping as close as possible to the rear of the alley it is called:
The total weight of a powered unit, the trailer and the cargo is called?
A hazmat endorsement will be denied or canceled if:
The maximum number of "looks" allowed during the driving exam is:
You should signal continuously while turning because:
When starting in slippery conditions, you should:
A school bus endorsement is required in order to transport:
In cargo securement, the deck is:
Steering wheel play should not be more than:
Specific securement methods are required for boulders that:
Which of these is true about tire pressure?
You are driving a 40-foot vehicle at 55 mph. The road is dry, and visibility is good. What is the least amount of space that you need to have in front of your vehicle?
What should you do if you are unsure whether you have enough overhead clearance?
In addition to preventing engine freezing, proper coolant levels help:
When loading a trailer, if the cargo is loaded all to the rear, it may result in:
An example of reckless driving is:
The best way to take a curve is to slow to a safe speed before entering the curve, then __________ as you go through it.
Where should the ignition key be during the pre-trip inspection?
A 30 minute break violation occurs on the below example. What day and time does the violation occur?
Day 1

Day 2
If unsure of the exact location of the center of gravity of your cargo, where would you rather have the center of gravity located if you couldn't get it centered?
If you must drive in fog, some considerations include which of the following:
When your vehicle is out of gear for more than its length, it will be scored as:
Any CDL holder found to operating a CMV with ANY alcohol in his/her system will be placed out-of-service for a minimum of:
Which of the following are covered by the specific log securement requirements?
Is the following example within legal HOS limits?

- A trucker starts driving at 12:00pm
- At 5pm the driver takes a 1 hour break
- At 6pm the driver begins driving again
- At 11:30pm, the driver shuts down and goes off duty for 10 consecutive hours
Which of the following is NOT a characteristic of tire failure?
When you are parked on the side of the road at night you must:
Methods of securing building materials against forward motion include:
Using the following numbers, what would be the final result if you moved the 5th wheel back one hole?

steer axle: 12,300 pounds
drive axles: 33,100 pounds
Weight transfer: 500 pounds per hole
The most common cause of skids is:
A device placed on the exposed edge of an article to distribute tiedown forces over a larger area of cargo than the tiedown itself, to protect the tie-down and/or cargo from damage, and to allow the tiedown to slide freely when being tensioned is a:
Which of these statements about the hazard of vehicle fire is true?
What kind of extinguisher should be used on burning paper, wood, or cloth?
During the vehicle inspection, checking of ___ will NOT prevent a fire.
What can be the result of too much weight on the back of the trailer?
A Class A CDL is required to drive a combination vehicle of over 26,001 lbs towing a vehicle weighing:
Which log below contains at least one violation?
Day 1

Day 2