Combination #2
Combination Vehicles Practice Test | Wyoming 2026 #2 Page 3 of 3
Train for FREE online with our Wyoming 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 WY combination 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 for issuing a combination license may vary from state to state.
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15 . What does an Anti-Lock Braking System (ABS) do?
An Anti-Lock Braking System (ABS) helps prevent wheel lockup during hard braking. If ABS detects impending lockup, it reduces braking pressure to a safe level.
16 . What can the “crack-the-whip” effect do?
Make trucks decelerate.
The "crack-the-whip" effect can cause a trailer to turn over during a lane change. To avoid this phenomenon, drivers should make lane changes at slow, safe speeds.
17 . Failure to keep the fifth wheel plate properly greased could:
Affect the lights.
Failure to keep the fifth wheel plate properly lubricated can create friction between the tractor and trailer, causing steering problems.
18 . Fully-loaded rigs:
Fully-loaded rigs are more vulnerable to rolling over than empty rigs because the weight of the cargo gives the vehicles higher centers of gravity.
19 . After completing a pre-trip inspection, you should ensure that the:
Before a trip, you should ensure that air reaches all air brakes on all trailers by opening up the rear emergency line and service line shut-off valves and listening for escaping air. Close both shut-off valves before beginning to drive.
20 . In a vehicle equipped with an automatic tractor protection valve, the valve will pop out when:
Air pressure is above 45 psi.
In vehicles equipped with an automatic tractor protection valve, the valve will pop out if air pressure drops to a level between 20 and 45 psi. When the valve pops out, the protection valve will close, stopping the flow of air.
2026 Wyoming | Frequently Asked Questions
To acquire a CDL Passenger endorsement in Wyoming, you must first have a commercial driver's license (CDL). You then need to pass a written knowledge test on transporting passengers, and a skills test in a vehicle similar to the one you'll be driving. Additional requirements may include passing a background check and medical examination.
To obtain a CDL Passenger license, you must have a valid Commercial Driver's License (CDL). You should then pass a written passenger endorsement test and a skills test in the type of vehicle you'll be driving. You may also need to complete a background check, provide proof of physical health via a medical examination, and meet age requirements.
While Wyoming doesn't specifically mandate training or experience to secure a CDL Passenger endorsement, it's beneficial to have practical experience or training. This helps you pass the written knowledge test and skills test. The tests cover topics like inspecting passenger vehicles, loading and trip start procedures, on-the-road driving, and after-trip vehicle inspections.
Yes, to get a CDL Passenger endorsement in Wyoming, you must pass a written knowledge test that covers the specifics of driving a passenger vehicle. This includes topics like vehicle inspection, loading/unloading passengers, emergency procedures, and more. After passing the written test, you'll also need to pass a skills test in a passenger vehicle.
During the CDL Passenger endorsement skills test in Wyoming, you'll need to showcase your ability to inspect the vehicle, load and unload passengers safely, manage emergency situations, and operate a passenger vehicle on the road. You'll also be evaluated on your driving skills including stopping, turning, backing up, and navigating through traffic.
No, you cannot legally transport passengers in Wyoming without a valid CDL Passenger endorsement. This endorsement is required for drivers who wish to operate a vehicle designed to carry 16 or more passengers, including the driver. Driving without the proper license or endorsement can result in significant penalties, including fines and suspension of your driving privileges.
Yes, you can add the CDL Passenger endorsement to your existing commercial driver's license in Wyoming. You don't need a new application, but you will need to pass the passenger transport knowledge test and skills test. Once you pass these tests, the endorsement will be added to your current CDL.
Yes, there are limitations and restrictions for drivers with a CDL Passenger endorsement in Wyoming. They are not allowed to operate a commercial vehicle that carries more than 16 passengers (including the driver) and they cannot drive a school bus carrying students. Additionally, drivers with a CDL Passenger endorsement must have a valid medical certificate and comply with all other CDL requirements.
Yes, there are age-related prerequisites for acquiring the CDL Passenger endorsement in Wyoming. You must be at least 21 years old to drive a commercial vehicle across state lines (interstate) or to carry hazardous materials. However, you can get a CDL to drive within Wyoming (intrastate) at age 18.
With a CDL Passenger endorsement in Wyoming, you will be eligible to operate commercial vehicles designed to carry 16 or more passengers, including the driver. This includes buses, shuttles, and large vans. However, it does not include school buses, for which you would need a separate School Bus endorsement.