Double #1
Double Triple Test | Oregon 2026 #1
Train for FREE with our Oregon 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 OR CDL double triple license in 2026, 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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1 . What can happen if parking brakes are used in very wet weather with temperatures below freezing?
The brakes may become too smooth to be used.
Parking brakes should not be used in very wet weather when temperatures are below freezing. The brakes could become frozen in place, making it impossible to move the vehicle.
2 . If driving so slowly that you could impede other drivers, you should:
If you must drive so slowly that you will impede the flow of traffic, you should turn on your four-way flashers to alert drivers behind you (as long as local laws allow the use of flashers).
3 . The trailer hand valve should be used:
The trailer hand valve (also referred to as the "trolley valve" or "Johnson bar") works the trailer brakes and should be used only when testing them. Using the trailer hand valve while driving could result in a skid.
4 . After a tire has been changed, the driver should stop after a short distance to:
After a tire has been changed, the driver should stop a short distance later to recheck the tightness of the tire's lug nuts.
5 . Which of the following is not a sign of bad brakes?
When inspecting your brakes, you should check for cracked drums; shoes or pads covered in oil, grease, or brake fluid; and shoes that are missing, broken, or worn dangerously thin.
6 . After starting the engine as part of a pre-trip inspection, the driver should:
Check your engine during the pre-trip inspection. After starting the engine, you should listen for unusual noises.
7 . A vehicle must be equipped with all of the following, except:
A flashlight.
All commercial motor vehicles are required to be equipped with the proper emergency equipment. This may include spare electrical fuses; three red reflective triangles, six fuses, or three liquid burning flares; and at least one properly charged and rated fire extinguisher.
See the exact questions that will be on the 2026 Oregon DMV exam.
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2026 Oregon | Frequently Asked Questions
To secure a CDL Doubles/Triples endorsement in Oregon, you must first hold a valid Oregon CDL. Next, study the Oregon CDL manual's sections on doubles/triples. After preparation, schedule and pass the written knowledge test at your local DMV. Once passed, the endorsement will be added to your CDL. Remember, specific training may be required by your employer.
To obtain a CDL Doubles/Triples license, you must first have a valid Commercial Driver's License (CDL). Then, study the relevant sections of your state's CDL manual, focusing on handling and safety rules for double/triple trailers. After studying, schedule and pass the written knowledge test at your local DMV. Upon passing, the endorsement is added to your CDL.
While Oregon doesn't require specific training to obtain a CDL Doubles/Triples endorsement, you must have a valid CDL. It's crucial to study the CDL manual's sections on double/triple trailers. Passing the written knowledge test at your local DMV secures the endorsement. However, employers may require further specialized training for handling double/triple trailers safely.
Yes, to obtain a CDL Doubles/Triples endorsement in Oregon, you must pass an additional written knowledge test. This exam focuses on specific regulations and safety considerations for driving double and triple trailers. Studying the relevant sections of your state's CDL manual will help you prepare for this test.
For the CDL Doubles/Triples endorsement in Oregon, no specific skills or maneuvers need to be demonstrated as there is no practical skills test. The endorsement requires only a written knowledge test. This exam covers topics like coupling and uncoupling, inspecting doubles and triples, and managing the vehicles' stability.
No, it's not permissible. In Oregon, like in many other states, you must have a valid CDL with a Doubles/Triples endorsement to legally operate double or triple trailers. Driving such vehicles without the proper endorsement can result in significant fines, license suspension, and even legal penalties.
You can add the CDL Doubles/Triples endorsement to your existing commercial driver's license. This process does not require a new application for a CDL. However, you will need to pass the Doubles/Triples written knowledge test and pay the necessary endorsement fee to have this added to your license.
Drivers with a CDL Doubles/Triples endorsement must adhere to specific regulations. These include weight restrictions, proper coupling and uncoupling of trailers, and managing vehicle stability. Also, the endorsement does not allow the operation of tank vehicles or those carrying hazardous materials unless additional endorsements are obtained. Violation of these restrictions can result in fines or loss of the endorsement.
In Oregon, the maximum weight for double/triple trailers is 105,500 pounds, and the maximum length is 61 feet for twins and 75 feet for triples. These measurements include the load and any vehicle or object transported. However, note that these limits can vary depending on the type of road (Interstate vs non-Interstate) and specific local regulations.
Yes, drivers with a CDL Doubles/Triples endorsement must adhere to specific safety guidelines. These include regular vehicle inspections, proper coupling and uncoupling of trailers, and maintaining safe following distances. Additionally, drivers must comply with all federal and state laws regarding hours of service, use of safety equipment, and cargo securement. Violations can result in fines or loss of endorsement.
