Massachusetts DMV CDL Doubles / Triples Quick Practice Test

Massachusetts DMV CDL Doubles / Triples Quick Practice Test For 2026

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.

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Quick Facts:

Number of Questions – 20

Passing Percentage – 80%

Test Type – Free Test

1. When should you watch out for black ice?

When it is snowing
When the temperature is below freezing and the road looks wet
When the temperature is above freezing and there is snow on the ground
Just after a rainstorm

2. When driving, knowing what is happening behind you is:

Rarely important.
Important.
Distracting.

3. When driving, your mirrors should:

Not be used, as they are distracting.
Not be used unless there is traffic.
Be checked regularly.

4. If you are turning left and there are two available left turn lanes, which lane should you choose?

The left lane
The right lane
Either lane
Trucks should not turn where there are two left turn lanes.

5. If something is found to be unsafe during a pre-trip inspection, you should:

Continue with the trip and make an appointment with a mechanic after the trip is completed.
Let a more experienced driver use the truck.
Get the issue fixed immediately.
Not use the items found to be unsafe, but may continue driving normally.

6. How long should it take for oil pressure to reach a normal level when starting a vehicle?

A few seconds
About a minute
About four minutes

7. Brakes can get out of adjustment quickly, especially:

If they are hot.
In the winter time.
If they are used frequently.

8. To ensure you do not interfere with traffic while driving a heavy vehicle, you should:

Switch gears while driving uphill.
Try to pass other vehicles while driving uphill.
Stay in the right lane.
Ride the brakes while driving downhill.

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