Knowledge Test Class A #1
Class A Driving Test | District Of Columbia 2025 #1 Page 2 of 7
Train for FREE online with our District Of Columbia 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 DC 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.
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8 . When carrying a wide load, you should:
Drive on the shoulder.
Loads that are over-length, over-width, and/or overweight may require special permits. Such vehicles are usually only allowed to be driven at certain times.
9 . When driving a vehicle equipped with an Anti-Lock Braking System (ABS), you should:
Brake with less force than you would in a vehicle not equipped with ABS.
When driving a tractor-trailer combination that is equipped with an Anti-Lock Braking System (ABS), you should brake in the same manner that you would if the vehicle was not equipped with ABS.
10 . If an Anti-Lock Braking System (ABS) malfunctions:
The brakes will not work.
On a vehicle with ABS, a yellow malfunction lamp on the instrument panel will illuminate to alert you if the braking system is not working.
11 . If you’re not sure how to handle a fire, you should:
Keep the vehicle running.
If you are unsure of which method is appropriate to use to extinguish a fire, you should wait for firefighters to arrive and let them handle it. This is especially important when dealing with hazardous materials fires.
12 . Move over laws require a driver approaching a stopped emergency vehicle to:
Increase their speed.
If an emergency vehicle using its flashing lights is stopped on the side of a multilane road, move over laws require drivers to vacate the lane directly next to the vehicle, if possible. If a driver cannot move over safely, they must slow down and proceed with caution.
13 . While driving, you should:
Focus on your own driving and not worry about other drivers.
While driving, you should consistently check the road ahead for hazards. Develop a plan to deal with any hazards that could arise.
14 . When checking your vehicle's lights before driving:
The check can be done by looking at a reflection from a shiny surface.
