Combination Vehicles Practice Test | Florida 2024 #1 Page 3 of 3
Train for FREE online with our Florida CDL combination vehicle 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 FL combination license in 2024, 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 DMV requirements for issuing a combination license may vary from state to state.
15 . If oil and water build up in your vehicle's air tanks, the brakes:
Air tanks should be drained daily to remove water and oil buildup. An excess of oil and water in the air tanks can interfere with proper brake function.
16 . Which type of vehicle is most prone to the “crack-the-whip” effect?
Triple combination trailers are most vulnerable to the "crack-the-whip" effect.
17 . The trailer hand valve should:
The trailer hand valve works the trailer brakes but should only be used when testing them. Using it while driving could create a skid. Never use the trailer hand valve while parking because doing so may release the air pressure from the braking system, releasing the brakes that are holding the vehicle in place.
18 . What is off-tracking?
When a vehicle goes around a corner, the rear wheels follow a different path than the front wheels. This is known as off-tracking, or "cheating."
19 . Driving a combination vehicle ____ than driving a single vehicle.
Driving a combination vehicle usually requires more skill than driving a single vehicle. Combination vehicles are generally longer and heavier than single commercial vehicles.
20 . When glad hands are coupled, the seals should be pressed together at an angle of:
When coupling, be sure to couple the proper glad hands. When glad hands are connected, the seals should be pressed together at a 90-degree angle.
See the exact questions that will be on the 2024 Florida DMV exam.
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