Combination #2
Combination Vehicles Practice Test | Indiana 2026 #2
Train for FREE online with our Indiana 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 IN 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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1 . When a combination vehicle goes around a corner:
It is acceptable for street signs to be knocked over if they are too close to the road.
When a vehicle goes around a corner, the rear wheels follow a different path than the front wheels. This is called off-tracking. This effect is especially pronounced on vehicles with trailers.
2 . What is another name for the service line?
The power line
The trailer service air line is also referred to as the control line or signal line.
3 . In a combination rig, it is best to make:
Slow, planned stops.
When driving a combination vehicle, it is important to brake well in advance and look far ahead of your vehicle to avoid the need for sudden stops. Making habits of these actions will help you prevent your trailer from jackknifing.
4 . If your trailer goes off course while you are backing, you should:
Turn the steering wheel all the way to the left until the trailer straightens out.
If your trailer goes off course while you are backing, you should pull your truck forward and reposition your vehicle as needed before continuing to back up.
5 . During a trip, which shut-off valves should be open?
No shut-off valves should be open.
When starting a trip, be sure that all shut-off valves are in the open position, except for the last valves on the rear trailer. It is important that air reaches the brakes on all trailers and that the air is not able to escape from the back of the vehicle.
6 . If you are operating a vehicle built before 1998 and are unsure if the trailer has an Anti-Lock Braking System (ABS), you can:
Assume the vehicle has ABS.
If you are operating a vehicle built before 1998 and are unsure if the trailer has an Anti-Lock Braking System (ABS), you can check under the trailer for wheel speed sensors coming from the back of the brakes.
7 . Driving a combination vehicle ____ than driving a single vehicle.
Is safer in inclement weather
