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Double Triple Test | District Of Columbia 2024 #1 Page 2 of 3
Train for FREE with our District Of Columbia CDL double triple practice test online. 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 double triple 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 may vary from state to state.
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8 . If your truck or trailer catches fire, you should:
Park in an open area.
If there is a fire in your vehicle, the first thing you need to do is leave the road and stop. Park in an open area away from anything that could catch fire, such as plants or other vehicles. Do not pull into a service station.
9 . A registered vehicle should have:
Only a rearview mirror.
For safe driving, it is important to be aware of what is happening on all sides of your vehicle. A vehicle should have mirrors on both sides, which should be checked regularly.
10 . When passing another vehicle, you should:
Not use a turn signal.
When passing a pedestrian or another vehicle, you should assume that they don't see you.
11 . Which of the following is not a sign of bad brake drums or shoes?
Shoes that are not covered in brake fluid
Potential problems to check for when inspecting brakes include cracked drums; shoes or pads with oil, grease, or brake fluid on them; and shoes that are missing, broken, or worn dangerously thin.
12 . To prevent fatigue while driving, you should:
Close the vents.
A hot, poorly-ventilated area can make a person sleepy. Opening a window, opening a vent, or using the air conditioning can help keep the cab cool and reduce the risk of fatigue.
13 . Coupling can be tested by a driver:
Releasing the orange lever in the cab.
It is essential to safety that a driver inspects coupling before starting a trip. Trailer coupling on a double or triple combination can be tested by pulling against the pin of the second semi-trailer.
14 . How should you test the low pressure warning signal?
Uncouple and recouple all glad hands.
