Class A Driving Test | Delaware 2025 #1 Page 5 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.
29 . The ____ between an air compressor and reservoir tank prevents air from escaping if the air compressor has a leak.
A one-way check valve is required to be between an air compressor and the first main reservoir. This valve prevents air from escaping the system if the air compressor develops a leak.
30 . An applicant must be at least ____ to obtain a hazardous materials endorsement.
You must be at least 21 years old and have at least one year of driving experience to be licensed to drive in interstate commerce or to transport hazardous materials.
31 . Sometimes, when checking the automatic transmission fluid level:
In some vehicles, you may have to leave the engine running to check the automatic transmission fluid level.
32 . While driving, if it is discovered a vehicle's ABS is not working, the driver should:
If an Anti-Lock Braking System (ABS) is not working, the vehicle's basic braking functions are still intact. The driver should continue to drive and brake in a normal fashion.
33 . When starting an engine:
After a vehicle is started, the warning lights and buzzers should go out after a few seconds. If the warning signals do not turn off, there may be something wrong with the vehicle.
34 . Watching the road ahead of you:
Always watch for hazards on the road ahead. Doing this will allow you time to react to hazards before meeting them.
35 . A cargo cover that flaps in transit:
If cargo is covered, the cover should not flap in the wind in transit. The cover could tear loose, uncovering the cargo while potentially blocking your view or the view of others.
See the exact questions that will be on the 2025 Delaware DMV exam.
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