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Drivers who want to drive combination vehicles must pass the combination vehicles test. The Indiana 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 Indiana CDL Manual. Take this practice test now to prepare for the actual IN CDL combination test!
1. Empty trucks have the best braking. True or False?
It depends on the cargo.
It depends on the truck.
2. If a worker is close to the roadway in a work zone, you should:
pull off the road and stop.
reduce your speed below the posted speed limit.
drive at the posted speed limit.
drive on the shoulder.
3. When inspecting the coupling, check that the safety latch is:
in position over the locking lever.
in the "lock" position.
pushing against the kingpin.
None of the above.
4. Fully loaded rigs:
are less likely to roll over than empty rigs.
are much more likely to roll over than empty rigs.
are just as likely to roll over as empty rigs.
None of the above.
5. When backing a trailer, turn the wheel right to make the cab go ________ and the trailer go ________.
right; right
left; right
right; left
left; left
6. Converter dollies and trailers built before 1975:
are required to have ABS.
are required to have spring brakes.
typically have 2 parking brakes.
are not required to have spring brakes.
7. On a tractor-trailer equipped with a trailer brake hand valve, the hand valve can be used to:
keep from rolling back.
reduce the chance of the front wheels skidding.
prevent movement of cargo.
hold compressed air.
8. To prevent rollover, you should:
keep the cargo as close to the ground as possible.
go slowly around turns.
drive slowly around on ramps and off ramps.
All of the above.
9. You have two tie-downs on a 15 foot load. How many more tie-downs do you need to secure cargo and keep it from shifting or falling?
10. When uncoupling, after you unlock the fifth-wheel you should:
chock the trailer wheels.
pull the tractor clear of the trailer.
pull the tractor partially clear of the trailer.
ease the pressure on the locking jaws.
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CDL Combination Test (IN)

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