Combination #2
Combination Vehicles Practice Test | Oregon 2024 #2 Page 2 of 3
Train for FREE online with our Oregon 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 OR 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.
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8 . The trailer hand valve should not be used while you are driving because:
Never use the trailer hand valve while operating your vehicle. Using the trailer hand valve while driving can cause your trailer to skid.
9 . The trailer hand valve should be used:
On slippery surfaces.
The trailer hand valve, also called the trolley valve or Johnson bar, is used to work the trailer brakes. It should be used only to test the brakes. Using it while a vehicle is in motion could cause a skid.
10 . Look into the back of the fifth wheel:
While inspecting a coupling, you should go under the trailer and look into the back of the fifth wheel. Ensure that the fifth wheel jaws are secured around the shank of the kingpin.
11 . In a double or triple combination, the ____ trailer should be directly behind the cab.
When positioning trailers in a combination, the most heavily-loaded trailer should be the closest to the tractor. The lightest trailer should be positioned in the rear.
12 . Trailers built before ____ are not required to have spring brakes.
Trailers built before 1975 are not required to have spring brakes. When parking a trailer without spring brakes, be sure to use wheel chocks to prevent the trailer from rolling.
13 . Operating a combination vehicle usually requires ____ operating a single vehicle.
Exactly the same level of skill as
Combination vehicles require more skill to drive than single vehicles. Combination vehicles are usually longer and heavier, and are more vulnerable to rollovers.
14 . Look for matching colors when coupling glad hands. Service lines are often:
Blue.
When coupling glad hands, make sure to couple together matching glad hands. To help drivers avoid mistakes, color coding is sometimes used. Service lines are often coded with the color blue and emergency lines are often coded with the color red.
2024 Oregon | Frequently Asked Questions
A CDL Class B license in Oregon allows a driver to operate single vehicles with a Gross Vehicle Weight Rating (GVWR) of 26,001 or more pounds, or a vehicle towing another not exceeding 10,000 pounds. This includes buses, farm labor vehicles, and any vehicle designed to transport 16 or more passengers (including the driver).
A Class B CDL license in Oregon allows a driver to operate single vehicles with a GVWR of 26,001 or more pounds, or tow a vehicle not heavy than 10,000 pounds. It covers vehicles like city buses, delivery trucks, dump trucks with small trailers, and large straight trucks.
To acquire a Class B CDL license in Oregon, you must be at least 18 years old (21 for interstate driving), have a valid Oregon driver's license, pass a vision test, and pass the General Knowledge exam. You'll also need to pass a skills test which includes pre-trip inspection, basic controls, and on-road driving. A medical examination is also required.
In Oregon, to qualify for a Class B CDL license, you must be at least 21 years old for interstate driving and at least 18 years old for intrastate driving. You must also pass a knowledge test, a skills test, and a medical examination.
Specific endorsements aren't necessary for a Class B CDL license, but they can expand your driving opportunities. Endorsements are additional qualifications for driving certain types of vehicles or transporting specific cargo, like hazardous materials. To get an endorsement, you must pass a specific knowledge test.
The Class B CDL skills assessment in Oregon includes a pre-trip vehicle inspection to ensure the vehicle is safe to drive, a basic vehicle control test to assess your ability to handle the vehicle, and an on-road driving test to evaluate your ability to drive safely in various traffic situations and road conditions.
Yes, Class B CDL license holders are limited to operating vehicles that are under 26,001 pounds or towing vehicles that weigh less than 10,000 pounds. They cannot operate Class A vehicles without the appropriate license. Additionally, they may need specific endorsements to drive buses, tank trucks, or transport hazardous materials.
Yes, it is possible. The Oregon DMV provides the written Class B CDL test in several languages other than English. However, federal regulations require that all CDL holders understand English well enough to converse with the general public, understand highway traffic signs and signals, respond to official inquiries, and make entries on reports and records.
Yes, you can request accommodations for the Class B CDL written exam in Oregon if you have a documented disability. The Oregon DMV provides various accommodations such as sign language interpreters, extra time, and separate testing rooms. You must make your request in advance and provide appropriate documentation to support your need for accommodation.
Yes, if you do not pass the Class B CDL written test in Oregon, you can retake it. However, there's a waiting period of one day before you can try again. The test can be retaken multiple times, but after three failures, you must wait 28 days before the next attempt. Each test attempt requires a separate fee.