Massachusetts CDL Class A, B or C DMV Practice Tests & Cheat Sheets

CDL Class A, B or C. Complete CDL driver training course. All the questions in this test are from the official DMV written exam. You can use our free online tests to evaluate how likely you are to pass the official DMV test. Or you can just cut to the chase and increase your chances of passing by upgrading to Premium Membership and unlock official DMV tests. In addition, you will also receive a master cheat sheet which contains all your state’s DMV questions and answers. Premium membership also unlocks a smart tracker which keeps an inventory of all incorrectly answered questions for easy, fast and effective revision. Practice with our free tests or hit Upgrade button below for premium access and increase your chances of passing your DMV written exam.

99.5% Pass Rate

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Quick Facts:

Number of Questions – 20

Passing Percentage – 80%

Test Type – Free Test

Is not a cause for concern.
Is usually empty.
May contain a heavy object that could damage your vehicle.
Should be avoided by driving off the roadway.

Park in a congested area near trees.
Pull into a service station.
Park near other vehicles.
Park in an open area.

Rear tire failure.
Front tire failure.
A shifting load.
The coolant overheating.

Massachusetts DMV CDL General Knowledge Quick Practice Test 2

Massachusetts DMV CDL General Knowledge Quick Practice Test 2 For 2026

99.5% Pass Rate

Illegal.
Used to add alcohol to braking systems to prevent items from freezing.
Only allowed on vehicles carrying hazardous materials.

You should expect to hear every approaching train.
You may not hear a train, even if one is approaching.
You will hear two short blasts of a train's horn if a train is approaching.

Is not a distraction from driving.
Can be a distraction from driving.
Allows the driver to eat while driving.

Is a good way to stay awake on long trips.
Is distracting.
Can cause mechanical damage.