FREE DE DMV Commercial Driver’s Licenses Questions and Answers
Which part of the air brake system must be checked to ensure that it is properly adjusted?
Correct!
Wrong!
Slack adjusters must be checked to ensure the brakes are properly adjusted and functioning correctly.
When performing a pre-trip inspection, what should you check in the engine compartment?
Correct!
Wrong!
Checking fluid levels is crucial during the pre-trip inspection to ensure the vehicle operates safely.
When driving a commercial vehicle with a manual transmission, what is the proper way to downshift when going down a steep grade?
Correct!
Wrong!
It is important to downshift before descending to maintain control of the vehicle.
What should you do if your vehicle gets stuck on a railroad track and a train is approaching?
Correct!
Wrong!
Safety is the priority, and moving away from the tracks is essential.
Which CDL endorsement is required to operate a school bus in Delaware?
Correct!
Wrong!
The S endorsement is required to operate a school bus.