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Drivers who want to drive combination vehicles must pass the combination vehicles test. The New York 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 New York CDL Manual. Take this practice test now to prepare for the actual NY CDL combination test!
1. How can you tell if a converter dollie has ABS?
There is an ABS system on the right side of the dolly.
There is an ABS plaque on the right side of the dolly.
There is a red lamp on the left side of the dolly.
There is a yellow lamp on the left side of the dolly.
2. As part of your vehicle inspection, you are checking that air flows to all trailers. After using the trailer handbrake to provide air to the service line, you go to the rear of the rig. When you open the emergency line shut-off valve at the rear of the last trailer, you should hear:
a thumping sound.
the service line valve close.
air escaping from the open valve.
a mechanical vibration.
3. To unlock the fifth wheel, pull the release handle to the _______ position.
4. When a vehicle goes around a corner, the rear wheels:
will lock up.
follow the same path as the front wheels.
follow a different path than the front wheels.
will turn freely.
5. When inspecting the coupling, check that the safety latch is:
in position over the locking lever.
pushing against the kingpin.
in the "lock" position.
None of the above.
6. The tire load rating is stated:
on the dashboard.
on the side of each tire.
on each axle.
inside the suspension system.
7. You are coupling a tractor to a semi-trailer. After checking the trailer height but before supplying air to the trailer, you should:
inspect the fifth-wheel.
connect the air lines to the trailer.
lock the trailer brakes.
raise the front trailer supports.
8. Before entering an intersection, make sure that:
That there is enough room for the rear of your vehicle to clear the stop line on your side.
there is sufficient space to clear it.
there's enough room to get at least halfway across.
accelerate smoothly and change gears as necessary.
9. When connecting the glad hands, you should press the two seals together with the couplers at a ______ angle to each other.
180 degree
30 degree
90 degree
45 degree
10. Inspecting the fifth-wheel does NOT include:
ensuring the fifth wheel is in the proper position for coupling.
checking the area around the vehicle.
making sure that the fifth-wheel plate is greased as required.
checking for missing or damaged parts.
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NY CDL Combination Test

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