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Drivers who want to drive combination vehicles must pass the combination vehicles test. The Ohio CDL combination test consists of 20 questions, and you'll need at least 16 correct answers to pass (80%). The test covers the combination vehicles section of the Ohio CDL Manual. Take this practice test now to prepare for the actual OH CDL combination test!
1. When transporting cargo, the cargo should be checked:
only before the trip.
before the trip and after the first 150 miles.
before the trip and after the first 50 miles.
2. When inspecting the cargo, make sure it is:
secured properly for the first 50 miles after beginning a trip.
not overloaded.
piled up.
3. Tar in the road pavement rising to the road surface in very hot weather:
does not affect the road surface or driving conditions.
is very sticky and will slow down your vehicle.
causes the road to become very slippery.
4. After starting the engine, oil pressure should rise to a normal level:
within seconds.
within 2 minutes.
within 6 minutes.
5. When driving in a construction zone, if a construction worker is near the road, you should:
further reduce your speed.
maintain a constant speed.
come to a complete stop.
6. If the drive wheels start to skid:
accelerate slightly to regain control.
push in the clutch to let them turn freely.
use the brakes to slow down.
7. Who is responsible for inspecting the cargo?
The person who loaded and secured the cargo
The driver
The shipper
8. If your trucks has a high center of gravity, which of the following is true for curves?
You should travel at the posted speed limit.
Reduce your speed to a crawl.
You should slow down, as your truck can roll over at the posted speed limit for the curve.
9. Air brakes:
should be used only when driving on wet roads.
are prohibited on larger vehicles.
are an effective way to stop large and heavy vehicles.
10. If your vehicle thumps or vibrates heavily, it may be a sign that:
one of the tires has gone flat.
you need to shift up.
the brakes have failed.
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OH CDL Combination Test

Number of questions: 20
Correct answers to pass:16
Passing score:80%
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