Vermont DMV CDL General Knowledge Quick Practice Test 4

Vermont DMV CDL General Knowledge Quick Practice Test 4 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. If there is a cargo fire in a box trailer:

The trailer doors should be opened.
The trailer doors should not be opened.
A large, heavy blanket should be put over the trailer.

2. Regrooved tires are:

Allowed only on the front of a bus.
Allowed only on the rear of a bus.
Not allowed anywhere on a bus.

3. Truck tractors with air brakes built on or after March 1, 1997 must have:

An Anti-Lock Braking System (ABS).
Bluetooth.
GPS.
A rear back-up camera.

4. An example of mandatory emergency equipment is:

A supply of spare electrical fuses.
A loud horn.
A battery-operated flashlight.
A supply of fireworks.

5. When covering cargo, a cover that flaps in transit:

Is acceptable.
Allows air to get to the cargo to keep it cool.
Can tear away.
Can attract birds.

6. When transporting cargo, drivers must check the securement of the cargo every:

10 miles.
150 miles.
500 miles.
1,000 miles.

7. Slippery roadways usually:

Make it more difficult to stop a vehicle.
Make it easier to stop a vehicle.
Make it easier to drive a vehicle.
Can be avoided by driving at night.

8. If driving a school bus, your four-way flashers should:

Be activated before crossing railroad tracks.
Never be used.
Only be used after crossing railroad tracks.
Only be used near railroad tracks if a train is approaching.

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