View instructions
Drivers who want to drive combination vehicles must pass the combination vehicles test. The Tennessee 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 Tennessee CDL Manual. Take this practice test now to prepare for the actual TN CDL combination test!
1. Over-length loads:
may require special equipment such as "wide load" or flags.
require special driving care.
require special transit permits.
All of the above.
2. When you back under a trailer:
make sure the trailer brakes are locked.
back the tractor slowly.
use lowest reverse gear.
All of the above.
3. On any upgrade, gravity:
slows you down.
speed you up.
doesn't affect your speed.
doubles your speed.
4. The iron trailer supports are up, and the full weight of the trailer is resting on the tractor. Make sure:
the safety latch is not engaged.
you are in a low enough gear.
there is enough clearance between the upper and lower fifth wheel.
there is enough clearance between the rear of the tractor frame and the landing gear.
5. Rollovers happen when drivers:
stop too often.
turn too fast.
turn too slowly.
brake too hard.
6. If you must stop on a one-way or divided highway, you should place warning devices _______ toward the approaching traffic.
5, 50 and 500 feet
5, 25 and 50 feet
10, 100 and 200 feet
3, 15 and 45 feet
7. Which of the following is NOT part of the procedure to raise the landing gear?
Using the high range gear, if equipped, to begin raising the landing gear
Using the low range gear, if equipped, to begin raising the landing gear
Safely securing the crank handle, after raising the landing gear
Raising the landing gear all the way up
8. Strong winds can make it difficult to stay in your lane especially when driving:
lighter vehicles.
vehicles with ABS.
flatbed trailers.
heavier vehicles.
9. Which of the following statements about off-tracking is true?
When a vehicle goes around a corner, the rear wheels follow the same path as the front wheels.
If there is more than one trailer, the rear wheels of the last trailer will off-track the most.
Longer vehicles off-track less.
None of the above.
10. When more cargo is piled up in a truck, the truck becomes easier to turn over. Fully loaded rigs are _________ to roll over in a crash than empty rigs.
ten times more likely
less likely
five times more likely
three times more likely
Page 1 of 2
Next page

CDL Combination Test (TN)

Number of questions: 20
Correct answers to pass:16
Passing score:80%
Share This Online CDL Test
Rate this CDL Combination Test ()
4.8 out of 5
based on 293 votes