A broken exhaust system can allow poisonous fumes to enter a vehicle's cab or sleeper berth. Be sure to regularly check your exhaust system for defects.

Poisonous fumes may enter the cab.

Poisonous fumes may exit the rear of the muffler system.

It may prevent proper steering.

It may cause problems if the trailer is fully loaded.

Drivers who are holding conversations with others may not be paying full attention to the road and may make unsafe moves. Children do not always pay attention to traffic and may dart into the road without looking. Exercise caution when driving near road workers. This helps to keep the workers and other distracted drivers safe.

A person sitting on a bench waiting for a bus

A driver talking to another person in a vehicle

Children on the side of the road

Construction workers on the side of the road

A person sitting on a bench waiting for a bus

If you are found to have any detectable amount of alcohol in your system while operating a CMV but your blood alcohol concentration (BAC) is still below the legal limit of 0.04 percent, you will be put out-of-service for 24 hours. It is both illegal and dangerous to operate a motor vehicle while under the influence of alcohol.

Result in an out-of-service order for 24 hours.

Result in an out-of-service order for two hours.

Result in an out-of-service order for 10 hours.

Result in an out-of-service order for 24 hours.

When backing, you should pull forward to reposition your vehicle whenever needed. Drift should be corrected immediately by turning the steering wheel in the direction of the drift.

You should frequently pull forward to reposition the vehicle.

You should not back up in a straight line.

You should not correct drift until you are far off course.

You should frequently pull forward to reposition the vehicle.

If you are convicted of any traffic violations while driving any vehicle, you must notify your employer within 30 days of the conviction. This rule excludes parking violations.

Law enforcement will tell your employer.

Class A Driving Test | Delaware 2025 #1 Page 3 of 7

Train for FREE online with our Delaware class A license test. The official exam test consists of several obligatory parts, with all of them checking your knowledge of different blocks of road rules. If you need to obtain a DE CDL class A permit in 2025, practice as much as possible. Free sample tests published on our website will help you check and improve your knowledge and boost your grades. Please bear in mind that CDL class A requirements may vary from state to state.

Number of Question 50

Passing Score 40

Number of Tests 20

Class A Driving Test | Delaware 2025 #1 Page 3 of 7

15 . What may happen if the exhaust system is not working properly?

16 . How many daily hours of sleep does an adult need to maintain alertness?

17 . Which of the following is not an example of a distracted person that motorists should be worried about?

18 . To change lanes, you should:

19 . While still below the legal limit, a driver operating a CMV with a detectable amount of alcohol in their system will:

20 . When backing with a trailer:

21 . If convicted of a traffic violation in your personal car:

See the exact questions that will be on the 2025 DMV exam.

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